2.16.43 Problems 4201 to 4300

Table 2.102: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

4201

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

dAlembert

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

3.077

4202

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

dAlembert

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

221.604

4203

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

quadrature

[_quadrature]

0.414

4204

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

quadrature

[_quadrature]

0.568

4205

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _rational]

4.924

4206

\[ {}y^{2} {y^{\prime }}^{2}-6 x^{3} y^{\prime }+4 x^{2} y = 0 \]

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

5.02

4207

\[ {}y^{2} {y^{\prime }}^{2}-4 a y y^{\prime }+4 a^{2}-4 x a +y^{2} = 0 \]

unknown

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

N/A

2.564

4208

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

quadrature, separable

[_quadrature]

0.453

4209

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

separable

[_separable]

0.355

4210

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

unknown

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

N/A

8.827

4211

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

dAlembert

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

1.358

4212

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

unknown

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

N/A

2.385

4213

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

unknown

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

N/A

3.305

4214

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

quadrature

[_quadrature]

0.752

4215

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

quadrature

[_quadrature]

0.974

4216

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

unknown

[‘y=_G(x,y’)‘]

N/A

4.385

4217

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

dAlembert

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

2.087

4218

\[ {}\left (\left (-4 a^{2}+1\right ) x^{2}+y^{2}\right ) {y^{\prime }}^{2}-8 a^{2} x y y^{\prime }+x^{2}+\left (-4 a^{2}+1\right ) y^{2} = 0 \]

dAlembert

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

183.437

4219

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

dAlembert

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

2.123

4220

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

homogeneousTypeD2

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

0.948

4221

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

homogeneousTypeD2

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

1.136

4222

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

dAlembert

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

11.89

4223

\[ {}2 y^{2} {y^{\prime }}^{2}+2 x y y^{\prime }-1+x^{2}+y^{2} = 0 \]

unknown

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

N/A

74.107

4224

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

dAlembert

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

2.616

4225

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

separable

[_separable]

0.59

4226

\[ {}\left (x^{2}-4 y^{2}\right ) {y^{\prime }}^{2}+6 x y y^{\prime }-4 x^{2}+y^{2} = 0 \]

homogeneousTypeD2

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

0.957

4227

\[ {}9 y^{2} {y^{\prime }}^{2}-3 x y^{\prime }+y = 0 \]

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _rational]

3.781

4228

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

quadrature

[_quadrature]

0.474

4229

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

dAlembert

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

11.996

4230

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

unknown

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

N/A

3.382

4231

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

dAlembert

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

19.815

4232

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

first_order_ode_lie_symmetry_calculated

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

5.448

4233

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

unknown

[_rational]

N/A

7.855

4234

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

first_order_ode_lie_symmetry_calculated

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

3.208

4235

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

homogeneousTypeD2

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

1.309

4236

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _rational]

5.898

4237

\[ {}3 x y^{4} {y^{\prime }}^{2}-y^{5} y^{\prime }+1 = 0 \]

first_order_ode_lie_symmetry_calculated

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

3.103

4238

\[ {}9 x y^{4} {y^{\prime }}^{2}-3 y^{5} y^{\prime }-a = 0 \]

first_order_ode_lie_symmetry_calculated

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

2.038

4239

\[ {}9 \left (-x^{2}+1\right ) y^{4} {y^{\prime }}^{2}+6 x y^{5} y^{\prime }+4 x^{2} = 0 \]

unknown

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

N/A

3.399

4240

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

quadrature

[_quadrature]

0.587

4241

\[ {}{y^{\prime }}^{3} = a \,x^{n} \]

quadrature

[_quadrature]

0.45

4242

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

dAlembert, first_order_nonlinear_p_but_linear_in_x_y

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

0.728

4243

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

first_order_nonlinear_p_but_separable

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

1.733

4244

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

quadrature

[_quadrature]

1.214

4245

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

first_order_nonlinear_p_but_separable

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

2.263

4246

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

first_order_nonlinear_p_but_separable

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

188.713

4247

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

quadrature

[_quadrature]

0.565

4248

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

quadrature

[_quadrature]

0.901

4249

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

quadrature

[_quadrature]

1.155

4250

\[ {}{y^{\prime }}^{3}-7 y^{\prime }+6 = 0 \]

quadrature

[_quadrature]

0.286

4251

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

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

169.119

4252

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

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

3.142

4253

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

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

99.775

4254

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

quadrature

[_quadrature]

1.445

4255

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

clairaut

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.434

4256

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

clairaut

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.503

4257

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

quadrature

[_quadrature]

2.445

4258

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

16.117

4259

\[ {}{y^{\prime }}^{3}-x y^{4} y^{\prime }-y^{5} = 0 \]

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

17.514

4260

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

dAlembert

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

0.973

4261

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

unknown

[‘y=_G(x,y’)‘]

N/A

104.449

4262

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

quadrature

[_quadrature]

1.296

4263

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

quadrature

[_quadrature]

1.492

4264

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

clairaut

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.56

4265

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

dAlembert

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

167.053

4266

\[ {}{y^{\prime }}^{3}+\operatorname {a0} {y^{\prime }}^{2}+\operatorname {a1} y^{\prime }+\operatorname {a2} +\operatorname {a3} y = 0 \]

quadrature

[_quadrature]

1.897

4267

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

quadrature

[_quadrature]

0.723

4268

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

quadrature

[_quadrature]

1.787

4269

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

quadrature

[_quadrature]

0.78

4270

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

quadrature

[_quadrature]

0.313

4271

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

linear, quadrature

[_quadrature]

0.622

4272

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

quadrature, separable

[_quadrature]

0.481

4273

\[ {}{y^{\prime }}^{3}-\left (x^{2}+x y^{2}+y^{4}\right ) {y^{\prime }}^{2}+x y^{2} \left (x^{2}+x y^{2}+y^{4}\right ) y^{\prime }-x^{3} y^{6} = 0 \]

quadrature, separable

[_quadrature]

0.987

4274

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

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

100.448

4275

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

quadrature

[_quadrature]

1.233

4276

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

86.383

4277

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

quadrature

[_quadrature]

0.579

4278

\[ {}8 {y^{\prime }}^{3}+12 {y^{\prime }}^{2} = 27 x +27 y \]

dAlembert

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

0.527

4279

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

clairaut

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.745

4280

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

quadrature, separable

[_quadrature]

0.448

4281

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

93.679

4282

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

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

0.613

4283

\[ {}4 x {y^{\prime }}^{3}-6 y {y^{\prime }}^{2}-x +3 y = 0 \]

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

13.632

4284

\[ {}8 x {y^{\prime }}^{3}-12 y {y^{\prime }}^{2}+9 y = 0 \]

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

23.288

4285

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

clairaut

[[_1st_order, _with_linear_symmetries], _Clairaut]

3.786

4286

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

quadrature

[_quadrature]

0.54

4287

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

unknown

[‘y=_G(x,y’)‘]

N/A

315.692

4288

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

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class G‘]]

21.441

4289

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

18.007

4290

\[ {}x^{6} {y^{\prime }}^{3}-x y^{\prime }-y = 0 \]

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

100.911

4291

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

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

173.355

4292

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

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

154.286

4293

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

quadrature, homogeneousTypeD2

[_quadrature]

1.062

4294

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

81.401

4295

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

87.318

4296

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

47.616

4297

\[ {}16 y^{2} {y^{\prime }}^{3}+2 x y^{\prime }-y = 0 \]

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

86.735

4298

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

unknown

[‘y=_G(x,y’)‘]

N/A

175.365

4299

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

unknown

[‘y=_G(x,y’)‘]

N/A

134.116

4300

\[ {}y^{4} {y^{\prime }}^{3}-6 x y^{\prime }+2 y = 0 \]

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

143.295