2.16.84 Problems 8301 to 8400

Table 2.184: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

8301

\[ {}2 x^{2} \left (x^{2}+x +1\right ) y^{\prime \prime }+x \left (11 x^{2}+11 x +9\right ) y^{\prime }+\left (7 x^{2}+10 x +6\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

2.332

8302

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.665

8303

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.99

8304

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.97

8305

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.542

8306

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.536

8307

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.74

8308

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.519

8309

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

kovacic

[[_Emden, _Fowler]]

0.812

8310

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.522

8311

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.42

8312

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.523

8313

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.608

8314

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

kovacic

[[_2nd_order, _quadrature]]

0.191

8315

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

kovacic

[[_Emden, _Fowler], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

0.434

8316

\[ {}y^{\prime \prime } = \frac {6 y}{x^{2}} \]

kovacic

[[_Emden, _Fowler]]

0.434

8317

\[ {}y^{\prime \prime } = \left (-\frac {3}{16 x^{2}}-\frac {2}{9 \left (-1+x \right )^{2}}+\frac {3}{16 x \left (-1+x \right )}\right ) y \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

2.812

8318

\[ {}y^{\prime \prime } = \frac {20 y}{x^{2}} \]

kovacic

[[_Emden, _Fowler]]

1.573

8319

\[ {}y^{\prime \prime } = \frac {12 y}{x^{2}} \]

kovacic

[[_Emden, _Fowler]]

1.592

8320

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

kovacic

[[_Emden, _Fowler]]

1.806

8321

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.773

8322

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

kovacic

[[_Emden, _Fowler]]

1.884

8323

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

78.523

8324

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.416

8325

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

3.692

8326

\[ {}y^{\prime \prime } = \frac {\left (4 x^{6}-8 x^{5}+12 x^{4}+4 x^{3}+7 x^{2}-20 x +4\right ) y}{4 x^{4}} \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.444

8327

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.955

8328

\[ {}y^{\prime \prime } = \left (\frac {x^{2}}{4}-\frac {11}{2}\right ) y \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.832

8329

\[ {}y^{\prime \prime } = \left (\frac {1}{x}-\frac {3}{16 x^{2}}\right ) y \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.611

8330

\[ {}y^{\prime \prime } = \left (-\frac {3}{16 x^{2}}-\frac {2}{9 \left (-1+x \right )^{2}}+\frac {3}{16 x \left (-1+x \right )}\right ) y \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.623

8331

\[ {}y^{\prime \prime } = -\frac {\left (5 x^{2}+27\right ) y}{36 \left (x^{2}-1\right )^{2}} \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

129.102

8332

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

kovacic

[[_Emden, _Fowler]]

0.479

8333

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.515

8334

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

kovacic

[[_2nd_order, _exact, _linear, _homogeneous]]

1.584

8335

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.444

8336

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.563

8337

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

kovacic

[[_2nd_order, _exact, _linear, _homogeneous]]

0.688

8338

\[ {}y^{\prime }-\frac {1}{\sqrt {\operatorname {a4} \,x^{4}+\operatorname {a3} \,x^{3}+\operatorname {a2} \,x^{2}+\operatorname {a1} x +\operatorname {a0}}} = 0 \]

quadrature

[_quadrature]

2.644

8339

\[ {}y^{\prime }+a y-c \,{\mathrm e}^{b x} = 0 \]

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

1.124

8340

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

1.301

8341

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.869

8342

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.787

8343

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.807

8344

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.965

8345

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.166

8346

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.509

8347

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.095

8348

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.904

8349

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

quadrature

[_quadrature]

0.26

8350

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

riccati

[_Riccati]

1.892

8351

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

riccati

[[_Riccati, _special]]

2.517

8352

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

riccati, first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _Riccati]

1.682

8353

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

riccati

[_Riccati]

2.187

8354

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

quadrature

[_quadrature]

0.45

8355

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

riccati

[_Riccati]

1.724

8356

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

riccati, homogeneousTypeC, first_order_ode_lie_symmetry_lookup

[[_homogeneous, ‘class C‘], _Riccati]

0.865

8357

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

riccati

[_Riccati]

2.007

8358

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

riccati

[_Riccati]

3.408

8359

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

riccati

[_Riccati]

8.329

8360

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

quadrature

[_quadrature]

0.371

8361

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

riccati

[[_Riccati, _special]]

2.557

8362

\[ {}y^{\prime }+a y^{2}-b \,x^{2 \nu }-c \,x^{\nu -1} = 0 \]

riccati

[_Riccati]

37.242

8363

\[ {}y^{\prime }-\left (y A -a \right ) \left (B y-b \right ) = 0 \]

quadrature

[_quadrature]

0.909

8364

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

riccati

[_Riccati]

1.786

8365

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

riccati

[_Riccati]

1.886

8366

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

exact, riccati, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.435

8367

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

riccati

[_Riccati]

2.22

8368

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

exact, riccati, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.48

8369

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

riccati

[_Riccati]

6.928

8370

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

riccati

[_Riccati]

1.881

8371

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

riccati, bernoulli, first_order_ode_lie_symmetry_lookup

[_Bernoulli]

0.957

8372

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

exact, riccati, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.998

8373

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

abelFirstKind

[_Abel]

N/A

1.772

8374

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

abelFirstKind

[_Abel]

N/A

2.759

8375

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

abelFirstKind, first_order_ode_lie_symmetry_calculated

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

1.441

8376

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

quadrature

[_quadrature]

0.288

8377

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

abelFirstKind

[_Abel]

N/A

1.727

8378

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

abelFirstKind, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class G‘], _Abel]

9.667

8379

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

abelFirstKind

[_Abel]

N/A

3.515

8380

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

abelFirstKind

[_Abel]

N/A

9.302

8381

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

bernoulli, first_order_ode_lie_symmetry_lookup

[_Bernoulli]

1.204

8382

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

abelFirstKind

[_Abel]

N/A

7.814

8383

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

abelFirstKind

[_Abel]

62.872

8384

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

abelFirstKind

[_Abel]

N/A

14.926

8385

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

abelFirstKind

[_Abel]

N/A

10.164

8386

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

unknown

[_Abel]

N/A

0.239

8387

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

abelFirstKind

[_Abel]

N/A

6.798

8388

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

abelFirstKind

[_Abel]

N/A

7.599

8389

\[ {}y^{\prime }-a y^{n}-b \,x^{\frac {n}{-n +1}} = 0 \]

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class G‘], _Chini]

1.619

8390

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

unknown

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

N/A

1.73

8391

\[ {}y^{\prime }-a^{n} f \left (x \right )^{-n +1} g^{\prime }\left (x \right ) y^{n}-\frac {f^{\prime }\left (x \right ) y}{f \left (x \right )}-f \left (x \right ) g^{\prime }\left (x \right ) = 0 \]

unknown

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

N/A

1.378

8392

\[ {}y^{\prime }-f \left (x \right ) y^{n}-g \left (x \right ) y-h \left (x \right ) = 0 \]

unknown

[_Chini]

N/A

1.478

8393

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

unknown

[NONE]

N/A

0.91

8394

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

quadrature

[_quadrature]

1.085

8395

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

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class G‘], _Chini]

4.431

8396

\[ {}y^{\prime }-a \sqrt {1+y^{2}}-b = 0 \]

quadrature

[_quadrature]

72.331

8397

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

22.204

8398

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

exact, separable, differentialType, first_order_ode_lie_symmetry_lookup

[_separable]

1.974

8399

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

unknown

[NONE]

N/A

3.517

8400

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

130.102