2.20.60 APPLIED DIFFERENTIAL EQUATIONS The Primary Course by Vladimir A. Dobrushkin. CRC Press 2015

Column notations: A is ODE degree. B is Program Number of solutions generated. C is CAS Number of solutions generated.

Table 2.498: APPLIED DIFFERENTIAL EQUATIONS The Primary Course by Vladimir A. Dobrushkin. CRC Press 2015










#

ODE

A

B

C

Program classification

CAS classification

Solved?

Verified?

time (sec)











12211

\[ {}y^{\prime } = y \,{\mathrm e}^{x +y} \left (x^{2}+1\right ) \]

1

1

1

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.653











12212

\[ {}x^{2} y^{\prime } = 1+y^{2} \]

1

1

1

exact, riccati, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.689











12213

\[ {}y^{\prime } = \sin \left (x y\right ) \]

1

0

0

unknown

[‘y=_G(x,y’)‘]

N/A

0.618











12214

\[ {}x \left ({\mathrm e}^{y}+4\right ) = {\mathrm e}^{x +y} y^{\prime } \]

1

1

1

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.537











12215

\[ {}y^{\prime } = \cos \left (x +y\right ) \]

1

1

1

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _dAlembert]

0.796











12216

\[ {}x y^{\prime }+y = x y^{2} \]

1

1

1

riccati, bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_homogeneous, ‘class G‘], _rational, _Bernoulli]

0.898











12217

\[ {}y^{\prime } = t \ln \left (y^{2 t}\right )+t^{2} \]

1

0

0

unknown

[‘y=_G(x,y’)‘]

N/A

0.602











12218

\[ {}y^{\prime } = x \,{\mathrm e}^{-x +y^{2}} \]

1

1

1

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.623











12219

\[ {}y^{\prime } = \ln \left (x y\right ) \]

1

0

0

unknown

[‘y=_G(x,y’)‘]

N/A

0.337











12220

\[ {}x \left (y+1\right )^{2} = \left (x^{2}+1\right ) y \,{\mathrm e}^{y} y^{\prime } \]

1

1

1

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.859











12221

\[ {}y^{\prime \prime }+x^{2} y = 0 \]

1

1

1

second_order_bessel_ode

[[_Emden, _Fowler]]

0.724











12222

\[ {}y^{\prime \prime \prime }+x y = \sin \left (x \right ) \]

1

0

1

unknown

[[_3rd_order, _linear, _nonhomogeneous]]

N/A

0.229











12223

\[ {}y^{\prime \prime }+y y^{\prime } = 1 \]

1

1

1

second_order_integrable_as_is, second_order_ode_missing_x, exact nonlinear second order ode

[[_2nd_order, _missing_x], [_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

3.668











12224

\[ {}y^{\left (5\right )}-y^{\prime \prime \prime \prime }+y^{\prime } = 2 x^{2}+3 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_y]]

1.796











12225

\[ {}y^{\prime \prime }+y y^{\prime \prime \prime \prime } = 1 \]

1

1

1

unknown

[[_high_order, _missing_x], [_high_order, _with_linear_symmetries]]

N/A

0.0











12226

\[ {}y^{\prime \prime \prime }+x y = \cosh \left (x \right ) \]

1

0

1

unknown

[[_3rd_order, _linear, _nonhomogeneous]]

N/A

0.244











12227

\[ {}\cos \left (x \right ) y^{\prime }+y \,{\mathrm e}^{x^{2}} = \sinh \left (x \right ) \]

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

40.495











12228

\[ {}y^{\prime \prime \prime }+x y = \cosh \left (x \right ) \]

1

0

1

unknown

[[_3rd_order, _linear, _nonhomogeneous]]

N/A

0.235











12229

\[ {}y y^{\prime } = 1 \]

1

2

2

quadrature

[_quadrature]

0.259











12230

\[ {}\sinh \left (x \right ) {y^{\prime }}^{2}+3 y = 0 \]

2

2

7

first_order_nonlinear_p_but_separable

[‘y=_G(x,y’)‘]

0.704











12231

\[ {}5 y^{\prime }-x y = 0 \]

1

1

1

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

0.864











12232

\[ {}{y^{\prime }}^{2} \sqrt {y} = \sin \left (x \right ) \]

2

2

2

exactWithIntegrationFactor

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

4.825











12233

\[ {}2 y^{\prime \prime }+3 y^{\prime }+4 x^{2} y = 1 \]

1

0

1

unknown

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

0.86











12234

\[ {}y^{\prime \prime \prime } = 1 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _quadrature]]

0.174











12235

\[ {}x^{2} y^{\prime \prime }-y = \sin \left (x \right )^{2} \]

1

1

1

kovacic, second_order_euler_ode

[[_2nd_order, _linear, _nonhomogeneous]]

9.76











12236

\[ {}y^{\prime \prime } = y+x^{2} \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.388











12237

\[ {}y^{\prime \prime \prime }+x y^{\prime \prime }-y^{2} = \sin \left (x \right ) \]

1

1

0

unknown

[NONE]

N/A

0.0











12238

\[ {}{y^{\prime }}^{2}+x y {y^{\prime }}^{2} = \ln \left (x \right ) \]

2

0

0

unknown

[‘y=_G(x,y’)‘]

N/A

2.12











12239

\[ {}\sin \left (y^{\prime \prime }\right )+y y^{\prime \prime \prime \prime } = 1 \]

1

1

1

unknown

[[_high_order, _missing_x], [_high_order, _with_linear_symmetries]]

N/A

0.0











12240

\[ {}\sinh \left (x \right ) {y^{\prime }}^{2}+y^{\prime \prime } = x y \]

1

0

0

unknown

[NONE]

N/A

0.172











12241

\[ {}y y^{\prime \prime } = 1 \]

1

2

2

second_order_ode_missing_x

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

0.632











12242

\[ {}{y^{\prime \prime \prime }}^{2}+\sqrt {y} = \sin \left (x \right ) \]

1

1

0

unknown

[NONE]

N/A

0.0











12243

\[ {}y^{\prime \prime }+4 y^{\prime }+y = 0 \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _missing_x]]

0.298











12244

\[ {}y^{\prime \prime \prime }-5 y^{\prime \prime }+y^{\prime }-y = 0 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _missing_x]]

1.57











12245

\[ {}2 y^{\prime \prime }-3 y^{\prime }-2 y = 0 \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _missing_x]]

0.284











12246

\[ {}3 y^{\prime \prime \prime \prime }-2 y^{\prime \prime }+y^{\prime } = 0 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

0.479











12247

\[ {}\left (x -3\right ) y^{\prime \prime }+y \ln \left (x \right ) = x^{2} \]

i.c.

1

0

0

unknown

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

0.365











12248

\[ {}y^{\prime \prime }+\tan \left (x \right ) y^{\prime }+y \cot \left (x \right ) = 0 \]

i.c.

1

0

1

unknown

[[_2nd_order, _with_linear_symmetries]]

N/A

2.31











12249

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }+\left (-1+x \right ) y^{\prime }+y = 0 \]

i.c.

1

0

1

unknown

[[_2nd_order, _with_linear_symmetries]]

N/A

0.842











12250

\[ {}x y^{\prime \prime }+2 x^{2} y^{\prime }+\sin \left (x \right ) y = \sinh \left (x \right ) \]

i.c.

1

0

0

unknown

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

4.067











12251

\[ {}\sin \left (x \right ) y^{\prime \prime }+x y^{\prime }+7 y = 1 \]

i.c.

1

0

0

unknown

[[_2nd_order, _with_linear_symmetries]]

N/A

73.85











12252

\[ {}y^{\prime \prime }-\left (-1+x \right ) y^{\prime }+x^{2} y = \tan \left (x \right ) \]

i.c.

1

0

1

unknown

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

1.026











12253

\[ {}\left (-1+x \right ) y^{\prime \prime }-x y^{\prime }+y = 0 \]

1

1

1

kovacic, second_order_change_of_variable_on_y_method_2, second_order_ode_non_constant_coeff_transformation_on_B

[[_2nd_order, _with_linear_symmetries]]

1.327











12254

\[ {}x^{2} y^{\prime \prime }-4 x^{2} y^{\prime }+\left (x^{2}+1\right ) y = 0 \]

1

0

1

unknown

[[_2nd_order, _with_linear_symmetries]]

N/A

0.622











12255

\[ {}y^{\prime \prime }+\frac {k x}{y^{4}} = 0 \]

1

0

2

unknown

[[_Emden, _Fowler], [_2nd_order, _with_linear_symmetries]]

N/A

0.156











12256

\[ {}y^{\prime \prime }+2 x y^{\prime }+2 y = 0 \]

1

1

1

kovacic, exact linear second order ode, second_order_integrable_as_is

[[_2nd_order, _exact, _linear, _homogeneous]]

1.134











12257

\[ {}x y^{\prime \prime }+\sin \left (x \right ) y^{\prime }+y \cos \left (x \right ) = 0 \]

1

1

1

exact linear second order ode, second_order_integrable_as_is

[[_2nd_order, _exact, _linear, _homogeneous]]

1.228











12258

\[ {}y^{\prime \prime }+2 x^{2} y^{\prime }+4 x y = 2 x \]

1

1

1

kovacic, exact linear second order ode, second_order_integrable_as_is

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.698











12259

\[ {}\left (-x^{2}+1\right ) y^{\prime \prime }+\left (1-x \right ) y^{\prime }+y = 1-2 x \]

1

1

1

kovacic, exact linear second order ode, second_order_integrable_as_is, second_order_ode_non_constant_coeff_transformation_on_B

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.099











12260

\[ {}y^{\prime \prime }+4 x y^{\prime }+\left (4 x^{2}+2\right ) y = 0 \]

1

1

1

kovacic, second_order_change_of_variable_on_y_method_1, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _with_linear_symmetries]]

0.53











12261

\[ {}x^{2} y^{\prime \prime }+x^{2} y^{\prime }+2 \left (1-x \right ) y = 0 \]

1

0

1

unknown

[[_2nd_order, _with_linear_symmetries]]

N/A

0.669











12262

\[ {}y^{\prime \prime }+x^{2} y^{\prime }+2 x y = 2 x \]

1

1

1

kovacic, exact linear second order ode, second_order_integrable_as_is

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.692











12263

\[ {}\ln \left (x^{2}+1\right ) y^{\prime \prime }+\frac {4 x y^{\prime }}{x^{2}+1}+\frac {\left (-x^{2}+1\right ) y}{\left (x^{2}+1\right )^{2}} = 0 \]

1

0

1

unknown

[[_2nd_order, _with_linear_symmetries]]

N/A

1.005











12264

\[ {}x y^{\prime \prime }+x^{2} y^{\prime }+2 x y = 0 \]

1

1

1

kovacic, second_order_ode_lagrange_adjoint_equation_method

[[_2nd_order, _exact, _linear, _homogeneous]]

2.03











12265

\[ {}y^{\prime \prime }+\sin \left (x \right ) y^{\prime }+y \cos \left (x \right ) = \cos \left (x \right ) \]

1

1

1

exact linear second order ode, second_order_integrable_as_is

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.141











12266

\[ {}y^{\prime \prime }+\cot \left (x \right ) y^{\prime }-\csc \left (x \right )^{2} y = \cos \left (x \right ) \]

1

1

1

exact linear second order ode, second_order_integrable_as_is, second_order_change_of_variable_on_x_method_1, second_order_change_of_variable_on_x_method_2, second_order_ode_non_constant_coeff_transformation_on_B

[[_2nd_order, _linear, _nonhomogeneous]]

21.72











12267

\[ {}x \ln \left (x \right ) y^{\prime \prime }+2 y^{\prime }-\frac {y}{x} = 1 \]

1

1

1

kovacic, exact linear second order ode, second_order_integrable_as_is, second_order_change_of_variable_on_y_method_1, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.807











12268

\[ {}x y^{\prime \prime }+\left (6 x y^{2}+1\right ) y^{\prime }+2 y^{3}+1 = 0 \]

1

0

1

second_order_integrable_as_is

[[_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

N/A

0.721











12269

\[ {}\frac {x y^{\prime \prime }}{y+1}+\frac {y y^{\prime }-x {y^{\prime }}^{2}+y^{\prime }}{\left (y+1\right )^{2}} = x \sin \left (x \right ) \]

1

1

1

second_order_integrable_as_is

[[_2nd_order, _exact, _nonlinear], [_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.319











12270

\[ {}\left (x \cos \left (y\right )+\sin \left (x \right )\right ) y^{\prime \prime }-x {y^{\prime }}^{2} \sin \left (y\right )+2 \left (\cos \left (y\right )+\cos \left (x \right )\right ) y^{\prime } = \sin \left (x \right ) y \]

1

1

1

second_order_integrable_as_is

[[_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_xy]]

19.75











12271

\[ {}y y^{\prime \prime } \sin \left (x \right )+\left (\sin \left (x \right ) y^{\prime }+y \cos \left (x \right )\right ) y^{\prime } = \cos \left (x \right ) \]

1

1

2

second_order_integrable_as_is

[[_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

0.829











12272

\[ {}\left (1-y\right ) y^{\prime \prime }-{y^{\prime }}^{2} = 0 \]

1

2

3

second_order_integrable_as_is, second_order_ode_missing_x, exact nonlinear second order ode

[[_2nd_order, _missing_x], [_2nd_order, _exact, _nonlinear], _Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

1.163











12273

\[ {}\left (\cos \left (y\right )-y \sin \left (y\right )\right ) y^{\prime \prime }-{y^{\prime }}^{2} \left (2 \sin \left (y\right )+y \cos \left (y\right )\right ) = \sin \left (x \right ) \]

1

1

1

second_order_integrable_as_is, exact nonlinear second order ode

[[_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

4.623











12274

\[ {}y^{\prime \prime }+\frac {2 x y^{\prime }}{2 x -1}-\frac {4 x y}{\left (2 x -1\right )^{2}} = 0 \]

1

1

1

kovacic, second_order_ode_lagrange_adjoint_equation_method

[[_2nd_order, _with_linear_symmetries]]

4.328











12275

\[ {}\left (x^{2}+2 x \right ) y^{\prime \prime }+\left (x^{2}+x +10\right ) y^{\prime } = \left (25-6 x \right ) y \]

1

1

1

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.062











12276

\[ {}y^{\prime \prime }+\frac {y^{\prime }}{1+x}-\frac {\left (2+x \right ) y}{x^{2} \left (1+x \right )} = 0 \]

1

1

1

kovacic, second_order_bessel_ode, second_order_change_of_variable_on_y_method_2

[[_2nd_order, _with_linear_symmetries]]

1.566











12277

\[ {}\left (x^{2}-x \right ) y^{\prime \prime }+\left (2 x^{2}+4 x -3\right ) y^{\prime }+8 x y = 0 \]

1

1

1

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.878











12278

\[ {}\frac {\left (x^{2}-x \right ) y^{\prime \prime }}{x}+\frac {\left (1+3 x \right ) y^{\prime }}{x}+\frac {y}{x} = 3 x \]

1

1

1

kovacic

[[_2nd_order, _linear, _nonhomogeneous]]

0.669











12279

\[ {}\left (2 \sin \left (x \right )-\cos \left (x \right )\right ) y^{\prime \prime }+\left (7 \sin \left (x \right )+4 \cos \left (x \right )\right ) y^{\prime }+10 y \cos \left (x \right ) = 0 \]

1

0

1

unknown

[[_2nd_order, _with_linear_symmetries]]

N/A

4.687











12280

\[ {}y^{\prime \prime }+\frac {\left (-1+x \right ) y^{\prime }}{x}+\frac {y}{x^{3}} = \frac {{\mathrm e}^{-\frac {1}{x}}}{x^{3}} \]

1

0

1

unknown

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

0.661











12281

\[ {}y^{\prime \prime }+\left (5+2 x \right ) y^{\prime }+\left (4 x +8\right ) y = {\mathrm e}^{-2 x} \]

1

1

1

kovacic

[[_2nd_order, _linear, _nonhomogeneous]]

0.909











12282

\[ {}y^{\prime \prime }+9 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.398











12283

\[ {}4 y^{\prime \prime }-4 y^{\prime }+5 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.424











12284

\[ {}y^{\prime \prime }+2 y^{\prime }+y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.37











12285

\[ {}y^{\prime \prime }-4 y^{\prime }+5 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.409











12286

\[ {}y^{\prime \prime }-y^{\prime }-6 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.377











12287

\[ {}4 y^{\prime \prime }-4 y^{\prime }+37 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.427











12288

\[ {}y^{\prime \prime }+3 y^{\prime }+2 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.365











12289

\[ {}y^{\prime \prime }+2 y^{\prime }+5 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.388











12290

\[ {}4 y^{\prime \prime }-12 y^{\prime }+13 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.4











12291

\[ {}y^{\prime \prime }+4 y^{\prime }+13 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.452











12292

\[ {}y^{\prime \prime }+6 y^{\prime }+9 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.356











12293

\[ {}y^{\prime \prime \prime \prime }+y = 0 \]

i.c.

1

1

1

higher_order_laplace

[[_high_order, _missing_x]]

0.973











12294

\[ {}y^{\prime \prime }-2 y^{\prime }+5 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.408











12295

\[ {}y^{\prime \prime }-20 y^{\prime }+51 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.389











12296

\[ {}2 y^{\prime \prime }+3 y^{\prime }+y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.391











12297

\[ {}3 y^{\prime \prime }+8 y^{\prime }-3 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.401











12298

\[ {}2 y^{\prime \prime }+20 y^{\prime }+51 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.446











12299

\[ {}4 y^{\prime \prime }+40 y^{\prime }+101 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.393











12300

\[ {}y^{\prime \prime }+6 y^{\prime }+34 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.42











12301

\[ {}y^{\prime \prime \prime }+8 y^{\prime \prime }+16 y^{\prime } = 0 \]

i.c.

1

1

1

higher_order_laplace

[[_3rd_order, _missing_x]]

0.469











12302

\[ {}y^{\prime \prime \prime }+6 y^{\prime \prime }+13 y^{\prime } = 0 \]

i.c.

1

1

1

higher_order_laplace

[[_3rd_order, _missing_x]]

0.538











12303

\[ {}y^{\prime \prime \prime }-6 y^{\prime \prime }+13 y^{\prime } = 0 \]

i.c.

1

1

1

higher_order_laplace

[[_3rd_order, _missing_x]]

0.54











12304

\[ {}y^{\prime \prime \prime }+4 y^{\prime \prime }+29 y^{\prime } = 0 \]

i.c.

1

1

1

higher_order_laplace

[[_3rd_order, _missing_x]]

0.529











12305

\[ {}y^{\prime \prime \prime }+6 y^{\prime \prime }+25 y^{\prime } = 0 \]

i.c.

1

1

1

higher_order_laplace

[[_3rd_order, _missing_x]]

0.541











12306

\[ {}y^{\prime \prime \prime }-6 y^{\prime \prime }+10 y^{\prime } = 0 \]

i.c.

1

1

1

higher_order_laplace

[[_3rd_order, _missing_x]]

0.52











12307

\[ {}y^{\prime \prime \prime \prime }+13 y^{\prime \prime }+36 y = 0 \]

i.c.

1

1

1

higher_order_laplace

[[_high_order, _missing_x]]

0.692











12308

\[ {}y^{\prime \prime }+2 y^{\prime }+3 y = 9 t \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.537











12309

\[ {}4 y^{\prime \prime }+16 y^{\prime }+17 y = 17 t -1 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.532











12310

\[ {}4 y^{\prime \prime }+5 y^{\prime }+4 y = 3 \,{\mathrm e}^{-t} \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.654











12311

\[ {}y^{\prime \prime }-4 y^{\prime }+4 y = t^{2} {\mathrm e}^{2 t} \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.447











12312

\[ {}y^{\prime \prime }+9 y = {\mathrm e}^{-2 t} \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.475











12313

\[ {}2 y^{\prime \prime }-3 y^{\prime }+17 y = 17 t -1 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.635











12314

\[ {}y^{\prime \prime }+2 y^{\prime }+y = {\mathrm e}^{-t} \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.431











12315

\[ {}y^{\prime \prime }-2 y^{\prime }+5 y = 2+t \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.51











12316

\[ {}2 y^{\prime }+y = {\mathrm e}^{-\frac {t}{2}} \]

i.c.

1

1

1

first_order_laplace

[[_linear, ‘class A‘]]

0.454











12317

\[ {}y^{\prime \prime }+8 y^{\prime }+20 y = \sin \left (2 t \right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.599











12318

\[ {}4 y^{\prime \prime }-4 y^{\prime }+y = t^{2} \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.453











12319

\[ {}2 y^{\prime \prime }+y^{\prime }-y = 4 \sin \left (t \right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.592











12320

\[ {}y^{\prime }-y = {\mathrm e}^{2 t} \]

i.c.

1

1

1

first_order_laplace

[[_linear, ‘class A‘]]

0.408











12321

\[ {}3 y^{\prime \prime }+5 y^{\prime }-2 y = 7 \,{\mathrm e}^{-2 t} \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.447











12322

\[ {}y^{\prime }+y = \operatorname {Heaviside}\left (t \right )-\operatorname {Heaviside}\left (t -2\right ) \]

i.c.

1

1

1

first_order_laplace

[[_linear, ‘class A‘]]

0.832











12323

\[ {}y^{\prime }-2 y = 4 t \left (\operatorname {Heaviside}\left (t \right )-\operatorname {Heaviside}\left (t -2\right )\right ) \]

i.c.

1

1

1

first_order_laplace

[[_linear, ‘class A‘]]

0.905











12324

\[ {}y^{\prime \prime }+9 y = 24 \sin \left (t \right ) \left (\operatorname {Heaviside}\left (t \right )+\operatorname {Heaviside}\left (t -\pi \right )\right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.84











12325

\[ {}y^{\prime \prime }+2 y^{\prime }+y = \operatorname {Heaviside}\left (t \right )-\operatorname {Heaviside}\left (-1+t \right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.198











12326

\[ {}y^{\prime \prime }+2 y^{\prime }+2 y = 5 \cos \left (t \right ) \left (\operatorname {Heaviside}\left (t \right )-\operatorname {Heaviside}\left (t -\frac {\pi }{2}\right )\right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.081











12327

\[ {}y^{\prime \prime }+5 y^{\prime }+6 y = 36 t \left (\operatorname {Heaviside}\left (t \right )-\operatorname {Heaviside}\left (-1+t \right )\right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.909











12328

\[ {}y^{\prime \prime }+4 y^{\prime }+13 y = 39 \operatorname {Heaviside}\left (t \right )-507 \left (t -2\right ) \operatorname {Heaviside}\left (t -2\right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.249











12329

\[ {}y^{\prime \prime }+4 y = 3 \operatorname {Heaviside}\left (t \right )-3 \operatorname {Heaviside}\left (t -4\right )+\left (2 t -5\right ) \operatorname {Heaviside}\left (t -4\right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.873











12330

\[ {}4 y^{\prime \prime }+4 y^{\prime }+5 y = 25 t \left (\operatorname {Heaviside}\left (t \right )-\operatorname {Heaviside}\left (t -\frac {\pi }{2}\right )\right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

2.298











12331

\[ {}y^{\prime \prime }+4 y^{\prime }+3 y = \operatorname {Heaviside}\left (t \right )-\operatorname {Heaviside}\left (-1+t \right )+\operatorname {Heaviside}\left (t -2\right )-\operatorname {Heaviside}\left (t -3\right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

2.49











12332

\[ {}y^{\prime \prime }-2 y^{\prime } = \left \{\begin {array}{cc} 4 & 0\le t <1 \\ 6 & 1\le t \end {array}\right . \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_y]]

1.482











12333

\[ {}y^{\prime \prime }-3 y^{\prime }+2 y = \left \{\begin {array}{cc} 0 & 0\le t <1 \\ 1 & 1\le t <2 \\ -1 & 2\le t \end {array}\right . \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.882











12334

\[ {}y^{\prime \prime }+3 y^{\prime }+2 y = \left \{\begin {array}{cc} 1 & 0\le t <2 \\ -1 & 2\le t \end {array}\right . \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.442











12335

\[ {}y^{\prime \prime }+y = \left \{\begin {array}{cc} t & 0\le t <\pi \\ -t & \pi \le t \end {array}\right . \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.574











12336

\[ {}y^{\prime \prime }+4 y = \left \{\begin {array}{cc} 8 t & 0\le t <\frac {\pi }{2} \\ 8 \pi & \frac {\pi }{2}\le t \end {array}\right . \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.757











12337

\[ {}y^{\prime \prime }+4 \pi ^{2} y = 3 \delta \left (t -\frac {1}{3}\right )-\delta \left (-1+t \right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

2.138











12338

\[ {}y^{\prime \prime }+2 y^{\prime }+2 y = 3 \delta \left (-1+t \right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.684











12339

\[ {}y^{\prime \prime }+4 y^{\prime }+29 y = 5 \delta \left (t -\pi \right )-5 \delta \left (t -2 \pi \right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.166











12340

\[ {}y^{\prime \prime }+3 y^{\prime }+2 y = 1-\delta \left (-1+t \right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.707











12341

\[ {}4 y^{\prime \prime }+4 y^{\prime }+y = {\mathrm e}^{-\frac {t}{2}} \delta \left (-1+t \right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.546











12342

\[ {}y^{\prime \prime }-7 y^{\prime }+6 y = \delta \left (-1+t \right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.575











12343

\[ {}10 Q^{\prime }+100 Q = \operatorname {Heaviside}\left (-1+t \right )-\operatorname {Heaviside}\left (t -2\right ) \]

i.c.

1

1

1

first_order_laplace

[[_linear, ‘class A‘]]

1.082











12344

\[ {}y^{\prime \prime \prime }+y^{\prime \prime }+4 y^{\prime }+4 y = 8 \]

i.c.

1

1

1

higher_order_laplace

[[_3rd_order, _missing_x]]

1.167











12345

\[ {}y^{\prime \prime \prime }-2 y^{\prime \prime }-y^{\prime }+2 y = 4 t \]

i.c.

1

1

1

higher_order_laplace

[[_3rd_order, _with_linear_symmetries]]

0.648











12346

\[ {}y^{\prime \prime \prime }-y^{\prime \prime }+4 y^{\prime }-4 y = 8 \,{\mathrm e}^{2 t}-5 \,{\mathrm e}^{t} \]

i.c.

1

1

1

higher_order_laplace

[[_3rd_order, _linear, _nonhomogeneous]]

1.227











12347

\[ {}y^{\prime \prime \prime }-5 y^{\prime \prime }+y^{\prime }-y = -t^{2}+2 t -10 \]

i.c.

1

1

1

higher_order_laplace

[[_3rd_order, _with_linear_symmetries]]

73.314











12348

\[ {}y^{\prime \prime \prime \prime }-5 y^{\prime \prime }+4 y = 12 \operatorname {Heaviside}\left (t \right )-12 \operatorname {Heaviside}\left (-1+t \right ) \]

i.c.

1

1

1

higher_order_laplace

[[_high_order, _linear, _nonhomogeneous]]

2.646











12349

\[ {}y^{\prime \prime \prime \prime }-16 y = 32 \operatorname {Heaviside}\left (t \right )-32 \operatorname {Heaviside}\left (t -\pi \right ) \]

i.c.

1

1

1

higher_order_laplace

[[_high_order, _linear, _nonhomogeneous]]

2.746











12350

\[ {}t^{2} y^{\prime \prime }+3 t y^{\prime }+y = t^{7} \]

1

1

1

kovacic, second_order_euler_ode, exact linear second order ode, second_order_integrable_as_is, second_order_change_of_variable_on_x_method_1, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.401











12351

\[ {}t^{2} y^{\prime \prime }-6 t y^{\prime }+\sin \left (2 t \right ) y = \ln \left (t \right ) \]

1

0

1

unknown

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

3.346











12352

\[ {}y^{\prime \prime }+3 y^{\prime }+\frac {y}{t} = t \]

1

0

1

unknown

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

0.377











12353

\[ {}y^{\prime \prime }+t y^{\prime }-y \ln \left (t \right ) = \cos \left (2 t \right ) \]

1

0

1

unknown

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

0.88











12354

\[ {}t^{3} y^{\prime \prime }-2 t y^{\prime }+y = t^{4} \]

1

0

1

unknown

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

0.51











12355

\[ {}y^{\prime \prime }+2 y^{\prime }+y = 1 \]

1

1

1

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _missing_x]]

0.401











12356

\[ {}y^{\prime \prime }-2 y^{\prime }+5 y = {\mathrm e}^{t} \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.525











12357

\[ {}y^{\prime \prime }-3 y^{\prime }-7 y = 4 \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _missing_x]]

0.491











12358

\[ {}y^{\prime \prime \prime }+3 y^{\prime \prime }+3 y^{\prime }+y = 5 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _missing_x]]

0.205











12359

\[ {}3 y^{\prime \prime }+5 y^{\prime }-2 y = 3 t^{2} \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.449











12360

\[ {}y^{\prime \prime \prime } = 2 y^{\prime \prime }-4 y^{\prime }+\sin \left (t \right ) \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _missing_y]]

1.964











12361

\[ {}\left [\begin {array}{c} x^{\prime }=x-2 y \\ y^{\prime }=3 x-4 y \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.272











12362

\[ {}\left [\begin {array}{c} x^{\prime }=\frac {5 x}{4}+\frac {3 y}{4} \\ y^{\prime }=\frac {x}{2}-\frac {3 y}{2} \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.433











12363

\[ {}\left [\begin {array}{c} x^{\prime }-x+2 y=0 \\ y^{\prime }+y-x=0 \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.327











12364

\[ {}\left [\begin {array}{c} x^{\prime }+5 x-2 y=0 \\ y^{\prime }+2 x-y=0 \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.43











12365

\[ {}\left [\begin {array}{c} x^{\prime }-3 x+2 y=0 \\ y^{\prime }-x+3 y=0 \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.405











12366

\[ {}\left [\begin {array}{c} x^{\prime }+x-z=0 \\ x+y^{\prime }-y=0 \\ z^{\prime }+x+2 y-3 z=0 \end {array}\right ] \]

1

1

3

system of linear ODEs

system of linear ODEs

0.345











12367

\[ {}\left [\begin {array}{c} x^{\prime }=-\frac {x}{2}+2 y-3 z \\ y^{\prime }=y-\frac {z}{2} \\ z^{\prime }=-2 x+z \end {array}\right ] \]

1

1

3

system of linear ODEs

system of linear ODEs

0.865











12368

\[ {}\left [\begin {array}{c} x^{\prime }+y^{\prime }=y \\ x^{\prime }-y^{\prime }=x \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.333











12369

\[ {}\left [\begin {array}{c} x^{\prime }+2 y^{\prime }=t \\ x^{\prime }-y^{\prime }=x+y \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.685











12370

\[ {}\left [\begin {array}{c} x^{\prime }-y^{\prime }=x+y-t \\ 2 x^{\prime }+3 y^{\prime }=2 x+6 \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.708











12371

\[ {}\left [\begin {array}{c} 2 x^{\prime }-y^{\prime }=t \\ 3 x^{\prime }+2 y^{\prime }=y \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.636











12372

\[ {}\left [\begin {array}{c} 5 x^{\prime }-3 y^{\prime }=x+y \\ 3 x^{\prime }-y^{\prime }=t \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.704











12373

\[ {}\left [\begin {array}{c} x^{\prime }-4 y^{\prime }=0 \\ 2 x^{\prime }-3 y^{\prime }=t +y \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.625











12374

\[ {}\left [\begin {array}{c} 3 x^{\prime }+2 y^{\prime }=\sin \left (t \right ) \\ x^{\prime }-2 y^{\prime }=x+y+t \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.893











12375

\[ {}\left [\begin {array}{c} x^{\prime }=-4 x+9 y+12 \,{\mathrm e}^{-t} \\ y^{\prime }=-5 x+2 y \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.824











12376

\[ {}\left [\begin {array}{c} x^{\prime }=-7 x+6 y+6 \,{\mathrm e}^{-t} \\ y^{\prime }=-12 x+5 y+37 \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

1.575











12377

\[ {}\left [\begin {array}{c} x^{\prime }=-7 x+10 y+18 \,{\mathrm e}^{t} \\ y^{\prime }=-10 x+9 y+37 \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

2.152











12378

\[ {}\left [\begin {array}{c} x^{\prime }=-14 x+39 y+78 \sinh \left (t \right ) \\ y^{\prime }=-6 x+16 y+6 \cosh \left (t \right ) \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

2.599











12379

\[ {}\left [\begin {array}{c} x^{\prime }=2 x+4 y-2 z-2 \sinh \left (t \right ) \\ y^{\prime }=4 x+2 y-2 z+10 \cosh \left (t \right ) \\ z^{\prime }=-x+3 y+z+5 \end {array}\right ] \]

1

1

3

system of linear ODEs

system of linear ODEs

10.472











12380

\[ {}\left [\begin {array}{c} x^{\prime }=2 x+6 y-2 z+50 \,{\mathrm e}^{t} \\ y^{\prime }=6 x+2 y-2 z+21 \,{\mathrm e}^{-t} \\ z^{\prime }=-x+6 y+z+9 \end {array}\right ] \]

1

1

3

system of linear ODEs

system of linear ODEs

1.638











12381

\[ {}\left [\begin {array}{c} x^{\prime }=-2 x-2 y+4 z \\ y^{\prime }=-2 x+y+2 z \\ z^{\prime }=-4 x-2 y+6 z+{\mathrm e}^{2 t} \end {array}\right ] \]

1

1

3

system of linear ODEs

system of linear ODEs

1.344











12382

\[ {}\left [\begin {array}{c} x^{\prime }=3 x-2 y+3 z \\ y^{\prime }=x-y+2 z+2 \,{\mathrm e}^{-t} \\ z^{\prime }=-2 x+2 y-2 z \end {array}\right ] \]

1

1

3

system of linear ODEs

system of linear ODEs

0.945











12383

\[ {}\left [\begin {array}{c} x^{\prime }=7 x+y-1-6 \,{\mathrm e}^{t} \\ y^{\prime }=-4 x+3 y+4 \,{\mathrm e}^{t}-3 \end {array}\right ] \]

i.c.

1

1

2

system of linear ODEs

system of linear ODEs

0.606











12384

\[ {}\left [\begin {array}{c} x^{\prime }=3 x-2 y+24 \sin \left (t \right ) \\ y^{\prime }=9 x-3 y+12 \cos \left (t \right ) \end {array}\right ] \]

i.c.

1

1

2

system of linear ODEs

system of linear ODEs

1.343











12385

\[ {}\left [\begin {array}{c} x^{\prime }=7 x-4 y+10 \,{\mathrm e}^{t} \\ y^{\prime }=3 x+14 y+6 \,{\mathrm e}^{2 t} \end {array}\right ] \]

i.c.

1

1

2

system of linear ODEs

system of linear ODEs

0.618











12386

\[ {}\left [\begin {array}{c} x^{\prime }=-7 x+4 y+6 \,{\mathrm e}^{3 t} \\ y^{\prime }=-5 x+2 y+6 \,{\mathrm e}^{2 t} \end {array}\right ] \]

i.c.

1

1

2

system of linear ODEs

system of linear ODEs

0.687











12387

\[ {}\left [\begin {array}{c} x^{\prime }=-3 x-3 y+z \\ y^{\prime }=2 y+2 z+29 \,{\mathrm e}^{-t} \\ z^{\prime }=5 x+y+z+39 \,{\mathrm e}^{t} \end {array}\right ] \]

i.c.

1

1

3

system of linear ODEs

system of linear ODEs

31.909











12388

\[ {}\left [\begin {array}{c} x^{\prime }=2 x+y-z+5 \sin \left (t \right ) \\ y^{\prime }=y+z-10 \cos \left (t \right ) \\ z^{\prime }=x+z+2 \end {array}\right ] \]

i.c.

1

1

3

system of linear ODEs

system of linear ODEs

1.967











12389

\[ {}\left [\begin {array}{c} x^{\prime }=-3 x+3 y+z+5 \sin \left (2 t \right ) \\ y^{\prime }=x-5 y-3 z+5 \cos \left (2 t \right ) \\ z^{\prime }=-3 x+7 y+3 z+23 \,{\mathrm e}^{t} \end {array}\right ] \]

i.c.

1

1

3

system of linear ODEs

system of linear ODEs

2.759











12390

\[ {}\left [\begin {array}{c} x^{\prime }=-3 x+y-3 z+2 \,{\mathrm e}^{t} \\ y^{\prime }=4 x-y+2 z+4 \,{\mathrm e}^{t} \\ z^{\prime }=4 x-2 y+3 z+4 \,{\mathrm e}^{t} \end {array}\right ] \]

i.c.

1

1

3

system of linear ODEs

system of linear ODEs

1.853











12391

\[ {}\left [\begin {array}{c} x^{\prime }=x+5 y+10 \sinh \left (t \right ) \\ y^{\prime }=19 x-13 y+24 \sinh \left (t \right ) \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

29.035











12392

\[ {}\left [\begin {array}{c} x^{\prime }=9 x-3 y-6 t \\ y^{\prime }=-x+11 y+10 t \end {array}\right ] \]

1

1

2

system of linear ODEs

system of linear ODEs

0.793