2.16.53 Problems 5201 to 5300

Table 2.122: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

5201

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

i.c.

first_order_laplace

[_quadrature]

0.278

5202

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

i.c.

first_order_laplace

[[_linear, ‘class A‘]]

0.431

5203

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

i.c.

second_order_laplace

[[_2nd_order, _missing_x]]

0.29

5204

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

i.c.

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.505

5205

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

i.c.

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.409

5206

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

i.c.

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.608

5207

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

i.c.

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.548

5208

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

i.c.

second_order_laplace

[[_2nd_order, _missing_x]]

0.583

5209

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

i.c.

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.521

5210

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

i.c.

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.669

5211

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

i.c.

higher_order_laplace

[[_3rd_order, _missing_x]]

1.527

5212

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

i.c.

higher_order_laplace

[[_high_order, _missing_x]]

0.518

5213

\[ {}y^{\prime \prime \prime }-3 y^{\prime \prime }+3 y^{\prime }-y = x^{2} {\mathrm e}^{x} \]

i.c.

higher_order_laplace

[[_3rd_order, _linear, _nonhomogeneous]]

0.309

5214

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

i.c.

second_order_laplace

[[_2nd_order, _missing_x]]

0.375

5215

\[ {}q^{\prime \prime }+9 q^{\prime }+14 q = \frac {\sin \left (t \right )}{2} \]

i.c.

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.678

5216

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

1.496

5217

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

second order series method. Irregular singular point

[[_Emden, _Fowler]]

N/A

0.209

5218

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

0.457

5219

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.516

5220

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.593

5221

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.794

5222

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

0.48

5223

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.582

5224

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

0.427

5225

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

i.c.

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.901

5226

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.257

5227

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

exact, separable, differentialType, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.714

5228

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

clairaut

[[_1st_order, _with_linear_symmetries], _Clairaut]

1.519

5229

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

bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.546

5230

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

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _missing_x]]

0.271

5231

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

kovacic, second_order_change_of_variable_on_y_method_2, second_order_ode_non_constant_coeff_transformation_on_B

[[_2nd_order, _with_linear_symmetries]]

1.739

5232

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

kovacic, second_order_linear_constant_coeff, second_order_ode_can_be_made_integrable

[[_2nd_order, _missing_x]]

0.613

5233

\[ {}y^{\prime \prime }-y = 4-x \]

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.348

5234

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

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _missing_x]]

0.238

5235

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

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

0.421

5236

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.306

5237

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

exact, linear, separable, first_order_ode_lie_symmetry_lookup

[_separable]

3.143

5238

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

exact, riccati, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.185

5239

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

exact, linear, separable, homogeneousTypeD2, homogeneousTypeMapleC, first_order_ode_lie_symmetry_lookup

[_separable]

1.408

5240

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class G‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

1.543

5241

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class A‘], _dAlembert]

1.992

5242

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

homogeneousTypeD2

[[_homogeneous, ‘class D‘], _rational]

1.699

5243

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

exactByInspection, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class G‘], _dAlembert]

4.592

5244

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

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

0.803

5245

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

exact, linear, separable, homogeneousTypeMapleC, first_order_ode_lie_symmetry_lookup

[_separable]

1.612

5246

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.198

5247

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

unknown

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

N/A

0.399

5248

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

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class A‘], _rational, _dAlembert]

2.997

5249

\[ {}3 y-7 x +7+\left (7 y-3 x +3\right ) y^{\prime } = 0 \]

homogeneousTypeMapleC, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

2.744

5250

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.465

5251

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

bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.685

5252

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class G‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

1.641

5253

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.492

5254

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

exact, bernoulli, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[[_homogeneous, ‘class A‘], _exact, _rational, _Bernoulli]

2.03

5255

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

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

0.863

5256

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

i.c.

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.536

5257

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

i.c.

bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

2.356

5258

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

i.c.

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

2.595

5259

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

i.c.

riccati, bernoulli, first_order_ode_lie_symmetry_lookup

[_rational, _Bernoulli]

28.431

5260

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

riccati, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _Riccati]

0.867

5261

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

unknown

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

N/A

3.741

5262

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

exact

[_linear]

0.237

5263

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

exact

[[_homogeneous, ‘class A‘], _exact, _rational, _Bernoulli]

0.259

5264

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

exact

[_linear]

0.286

5265

\[ {}2 x +3 y+4+\left (3 x +4 y+5\right ) y^{\prime } = 0 \]

exact

[[_homogeneous, ‘class C‘], _exact, _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

0.289

5266

\[ {}4 x^{3} y^{3}+\frac {1}{x}+\left (3 x^{4} y^{2}-\frac {1}{y}\right ) y^{\prime } = 0 \]

exact

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

0.796

5267

\[ {}2 u^{2}+2 u v+\left (u^{2}+v^{2}\right ) v^{\prime } = 0 \]

exact

[[_homogeneous, ‘class A‘], _exact, _rational, _dAlembert]

0.323

5268

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

exact

[_exact]

0.389

5269

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

exact

[[_homogeneous, ‘class C‘], _exact, _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

0.283

5270

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

exact

[_exact, _rational]

0.455

5271

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

exact

[_exact]

0.46

5272

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

riccati, bernoulli, exactByInspection, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

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

1.345

5273

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

bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.536

5274

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

exact, bernoulli, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[[_homogeneous, ‘class A‘], _exact, _rational, _Bernoulli]

1.734

5275

\[ {}1-\sqrt {a^{2}-x^{2}}\, y^{\prime } = 0 \]

quadrature

[_quadrature]

0.491

5276

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

homogeneousTypeMapleC, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

1.921

5277

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

exact

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

0.274

5278

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

exact

[_linear]

0.249

5279

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

exact

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

0.256

5280

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

exact

[[_homogeneous, ‘class D‘], _rational, _Riccati]

0.334

5281

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

exact

[_linear]

0.296

5282

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

exact

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

0.231

5283

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

exact

[[_homogeneous, ‘class A‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

0.441

5284

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

exact

[[_homogeneous, ‘class A‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

0.286

5285

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

exact

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

10.922

5286

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

exact

[[_homogeneous, ‘class G‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

0.292

5287

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

exact

[_rational]

0.365

5288

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

exact

[_linear]

0.295

5289

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

exact

[_separable]

0.252

5290

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

exact

[_linear]

0.26

5291

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

exact

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

0.217

5292

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

exact

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

0.429

5293

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

exact

[[_homogeneous, ‘class G‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

0.261

5294

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

exact

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

0.237

5295

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

exact

[[_homogeneous, ‘class G‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

0.253

5296

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

exact

[[_homogeneous, ‘class A‘], _rational, _dAlembert]

0.372

5297

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

exact

[_separable]

0.264

5298

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

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

1.349

5299

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.299

5300

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.332