2.2.177 Problems 17601 to 17700

Table 2.371: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

17601

\begin{align*} y^{\prime \prime \prime }+3 y^{\prime \prime }+2 y^{\prime }&=\cos \left (t \right ) \\ \end{align*}

[[_3rd_order, _missing_y]]

0.368

17602

\begin{align*} y^{\left (6\right )}+y^{\prime \prime \prime \prime }&=-24 \\ \end{align*}

[[_high_order, _missing_x]]

0.349

17603

\begin{align*} y^{\prime \prime \prime \prime }+y^{\prime \prime }&=\tan \left (t \right )^{2} \\ \end{align*}

[[_high_order, _missing_y]]

1.221

17604

\begin{align*} y^{\prime \prime \prime }-y^{\prime \prime }&=3 t^{2} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ \end{align*}

[[_3rd_order, _missing_y]]

0.426

17605

\begin{align*} y^{\prime \prime \prime \prime }+y^{\prime \prime }&=\sec \left (t \right )^{2} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ y^{\prime \prime \prime }\left (0\right ) &= 0 \\ \end{align*}

[[_high_order, _missing_y]]

1.367

17606

\begin{align*} y^{\prime \prime \prime }+y^{\prime }&=\sec \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 1 \\ \end{align*}

[[_3rd_order, _missing_y]]

1.351

17607

\begin{align*} y^{\prime \prime \prime \prime }+y^{\prime \prime }&=\cos \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 1 \\ y^{\prime \prime \prime }\left (0\right ) &= 0 \\ \end{align*}

[[_high_order, _missing_y]]

0.974

17608

\begin{align*} y^{\prime \prime \prime \prime }+y^{\prime \prime }&=t \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 1 \\ y^{\prime \prime \prime }\left (0\right ) &= 0 \\ \end{align*}

[[_high_order, _missing_y]]

0.480

17609

\begin{align*} t^{2} \ln \left (t \right ) y^{\prime \prime \prime }-t y^{\prime \prime }+y^{\prime }&=1 \\ \end{align*}

[[_3rd_order, _missing_y]]

1.334

17610

\begin{align*} \left (t^{2}+t \right ) y^{\prime \prime \prime }+\left (-t^{2}+2\right ) y^{\prime \prime }-\left (t +2\right ) y^{\prime }&=-t -2 \\ \end{align*}

[[_3rd_order, _missing_y]]

1.365

17611

\begin{align*} 2 t^{3} y^{\prime \prime \prime }+t^{2} y^{\prime \prime }+y^{\prime } t -y&=-3 t^{2} \\ y \left (1\right ) &= 0 \\ y^{\prime }\left (1\right ) &= 1 \\ y^{\prime \prime }\left (1\right ) &= 0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.676

17612

\begin{align*} t y^{\prime \prime \prime \prime }+2 y^{\prime \prime \prime }&=\frac {45}{8 t^{{7}/{2}}} \\ y \left (1\right ) &= 0 \\ y^{\prime }\left (1\right ) &= 0 \\ y^{\prime \prime }\left (1\right ) &= 1 \\ y^{\prime \prime \prime }\left (1\right ) &= 0 \\ \end{align*}

[[_high_order, _missing_y]]

0.359

17613

\begin{align*} 5 y-8 y^{\prime } x +4 x^{2} y^{\prime \prime }&=0 \\ \end{align*}

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

3.766

17614

\begin{align*} 3 x^{2} y^{\prime \prime }-4 y^{\prime } x +2 y&=0 \\ \end{align*}

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

3.958

17615

\begin{align*} 2 x^{2} y^{\prime \prime }-8 y^{\prime } x +8 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

4.171

17616

\begin{align*} 2 x^{2} y^{\prime \prime }-7 y^{\prime } x +7 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

4.229

17617

\begin{align*} 4 x^{2} y^{\prime \prime }+17 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

0.659

17618

\begin{align*} 9 x^{2} y^{\prime \prime }-9 y^{\prime } x +10 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

4.117

17619

\begin{align*} 2 x^{2} y^{\prime \prime }-2 y^{\prime } x +20 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

3.841

17620

\begin{align*} x^{2} y^{\prime \prime }-5 y^{\prime } x +10 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

3.740

17621

\begin{align*} 4 x^{2} y^{\prime \prime }+8 y^{\prime } x +y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

2.624

17622

\begin{align*} 4 x^{2} y^{\prime \prime }+y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

0.408

17623

\begin{align*} x^{2} y^{\prime \prime }-5 y^{\prime } x +9 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

2.629

17624

\begin{align*} x^{2} y^{\prime \prime }+7 y^{\prime } x +9 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

2.398

17625

\begin{align*} x^{3} y^{\prime \prime \prime }+22 x^{2} y^{\prime \prime }+124 y^{\prime } x +140 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.380

17626

\begin{align*} x^{3} y^{\prime \prime \prime }-4 x^{2} y^{\prime \prime }-46 y^{\prime } x +100 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.394

17627

\begin{align*} x^{3} y^{\prime \prime \prime }+2 x^{2} y^{\prime \prime }-4 y^{\prime } x +4 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.391

17628

\begin{align*} x^{3} y^{\prime \prime \prime }+4 x^{2} y^{\prime \prime }+6 y^{\prime } x +4 y&=0 \\ \end{align*}

[[_3rd_order, _exact, _linear, _homogeneous]]

0.400

17629

\begin{align*} x^{3} y^{\prime \prime \prime }+2 y^{\prime } x -2 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.390

17630

\begin{align*} x^{3} y^{\prime \prime \prime }+3 x^{2} y^{\prime \prime }-2 y^{\prime } x -2 y&=0 \\ \end{align*}

[[_3rd_order, _exact, _linear, _homogeneous]]

0.460

17631

\begin{align*} x^{3} y^{\prime \prime \prime }+6 x^{2} y^{\prime \prime }+7 y^{\prime } x +y&=0 \\ \end{align*}

[[_3rd_order, _exact, _linear, _homogeneous]]

0.395

17632

\begin{align*} x^{3} y^{\prime \prime \prime \prime }+6 x^{2} y^{\prime \prime \prime }+7 y^{\prime \prime } x +y^{\prime }&=0 \\ \end{align*}

[[_high_order, _missing_y]]

0.680

17633

\begin{align*} x^{2} y^{\prime \prime }+5 y^{\prime } x +4 y&=\frac {1}{x^{5}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

11.299

17634

\begin{align*} x^{2} y^{\prime \prime }-5 y^{\prime } x +9 y&=x^{3} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

11.302

17635

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +y&=\frac {1}{x^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

21.378

17636

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +4 y&=\frac {1}{x^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

14.141

17637

\begin{align*} x^{2} y^{\prime \prime }+2 y^{\prime } x -6 y&=2 x \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.921

17638

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x -16 y&=\ln \left (x \right ) \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.190

17639

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +4 y&=8 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.494

17640

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +36 y&=x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.026

17641

\begin{align*} x^{3} y^{\prime \prime \prime }+3 x^{2} y^{\prime \prime }-11 y^{\prime } x +16 y&=\frac {1}{x^{3}} \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.687

17642

\begin{align*} x^{3} y^{\prime \prime \prime }+16 x^{2} y^{\prime \prime }+70 y^{\prime } x +80 y&=\frac {1}{x^{13}} \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.661

17643

\begin{align*} 3 x^{2} y^{\prime \prime }-4 y^{\prime } x +2 y&=0 \\ y \left (1\right ) &= 2 \\ y^{\prime }\left (1\right ) &= 1 \\ \end{align*}

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

4.163

17644

\begin{align*} 2 x^{2} y^{\prime \prime }-7 y^{\prime } x +7 y&=0 \\ y \left (1\right ) &= -1 \\ y^{\prime }\left (1\right ) &= 1 \\ \end{align*}

[[_Emden, _Fowler]]

6.619

17645

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +4 y&=0 \\ y \left (1\right ) &= -1 \\ y^{\prime }\left (1\right ) &= 0 \\ \end{align*}

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

3.178

17646

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +2 y&=0 \\ y \left (1\right ) &= 0 \\ y^{\prime }\left (1\right ) &= 2 \\ \end{align*}

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

3.432

17647

\begin{align*} x^{3} y^{\prime \prime \prime }+10 x^{2} y^{\prime \prime }-20 y^{\prime } x +20 y&=0 \\ y \left (1\right ) &= 0 \\ y^{\prime }\left (1\right ) &= -1 \\ y^{\prime \prime }\left (1\right ) &= 1 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.381

17648

\begin{align*} x^{3} y^{\prime \prime \prime }+15 x^{2} y^{\prime \prime }+54 y^{\prime } x +42 y&=0 \\ y \left (1\right ) &= 5 \\ y^{\prime }\left (1\right ) &= 0 \\ y^{\prime \prime }\left (1\right ) &= 0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.338

17649

\begin{align*} x^{3} y^{\prime \prime \prime }-2 x^{2} y^{\prime \prime }+5 y^{\prime } x -5 y&=0 \\ y \left (1\right ) &= 0 \\ y^{\prime }\left (1\right ) &= -1 \\ y^{\prime \prime }\left (1\right ) &= 0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.351

17650

\begin{align*} x^{3} y^{\prime \prime \prime }-6 x^{2} y^{\prime \prime }+17 y^{\prime } x -17 y&=0 \\ y \left (1\right ) &= -2 \\ y^{\prime }\left (1\right ) &= 0 \\ y^{\prime \prime }\left (1\right ) &= 0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.335

17651

\begin{align*} 2 x^{2} y^{\prime \prime }+3 y^{\prime } x -y&=\frac {1}{x^{2}} \\ y \left (1\right ) &= 0 \\ y^{\prime }\left (1\right ) &= 2 \\ \end{align*}

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.670

17652

\begin{align*} x^{2} y^{\prime \prime }+4 y^{\prime } x +2 y&=\ln \left (x \right ) \\ y \left (1\right ) &= 2 \\ y^{\prime }\left (1\right ) &= 0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

48.311

17653

\begin{align*} 4 x^{2} y^{\prime \prime }+y&=x^{3} \\ y \left (1\right ) &= 1 \\ y^{\prime }\left (1\right ) &= -1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.809

17654

\begin{align*} 9 x^{2} y^{\prime \prime }+27 y^{\prime } x +10 y&=\frac {1}{x} \\ y \left (1\right ) &= 0 \\ y^{\prime }\left (1\right ) &= -1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

67.014

17655

\begin{align*} x^{2} y^{\prime \prime }-y^{\prime } x +2 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

3.787

17656

\begin{align*} x^{2} y^{\prime \prime }+4 y^{\prime } x +2 y&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _homogeneous]]

4.520

17657

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +y&=0 \\ \end{align*}

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

2.833

17658

\begin{align*} x^{3} y^{\prime \prime \prime }+3 x^{2} y^{\prime \prime }+37 y^{\prime } x&=0 \\ \end{align*}

[[_3rd_order, _missing_y]]

0.478

17659

\begin{align*} x^{3} y^{\prime \prime \prime }+3 x^{2} y^{\prime \prime }-3 y^{\prime } x&=0 \\ \end{align*}

[[_3rd_order, _missing_y]]

0.414

17660

\begin{align*} -y+y^{\prime } x +x^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.394

17661

\begin{align*} x^{3} y^{\prime \prime \prime }+3 x^{2} y^{\prime \prime }-3 y^{\prime } x&=-8 \\ \end{align*}

[[_3rd_order, _missing_y]]

0.568

17662

\begin{align*} 4 y+2 x \left (x^{2}+1\right ) y^{\prime }+\left (x^{2}+1\right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

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

2.226

17663

\begin{align*} 4 y+2 x \left (x^{2}+1\right ) y^{\prime }+\left (x^{2}+1\right )^{2} y^{\prime \prime }&=\arctan \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

2.717

17664

\begin{align*} 4 y+2 x \left (x^{2}+1\right ) y^{\prime }+\left (x^{2}+1\right )^{2} y^{\prime \prime }&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

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

2.773

17665

\begin{align*} 4 y+2 x \left (x^{2}+1\right ) y^{\prime }+\left (x^{2}+1\right )^{2} y^{\prime \prime }&=\arctan \left (x \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

3.283

17666

\begin{align*} \left (x^{4}-1\right ) y^{\prime \prime }+\left (x^{3}-x \right ) y^{\prime }+\left (x^{2}-1\right ) y&=0 \\ \end{align*}

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

2.128

17667

\begin{align*} \left (x^{4}-1\right ) y^{\prime \prime }+\left (x^{3}-x \right ) y^{\prime }+\left (4 x^{2}-4\right ) y&=0 \\ \end{align*}

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

2.229

17668

\begin{align*} \left (x^{4}-1\right ) y^{\prime \prime }+\left (x^{3}-x \right ) y^{\prime }+\left (x^{2}-1\right ) y&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= -1 \\ \end{align*}

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

2.921

17669

\begin{align*} x^{2} y^{\prime \prime }+4 y^{\prime } x +2 y&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _homogeneous]]

4.336

17670

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +y&=x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.892

17671

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +4 y&=0 \\ y \left (-1\right ) &= 0 \\ y^{\prime }\left (-1\right ) &= 2 \\ \end{align*}

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

20.466

17672

\begin{align*} x^{2} y^{\prime \prime }-y^{\prime } x +y&=0 \\ y \left (-1\right ) &= 0 \\ y^{\prime }\left (-1\right ) &= 1 \\ \end{align*}

[[_Emden, _Fowler]]

2.849

17673

\begin{align*} x^{3} y^{\prime \prime \prime }+16 x^{2} y^{\prime \prime }+79 y^{\prime } x +125 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.330

17674

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+5 x^{3} y^{\prime \prime \prime }-12 x^{2} y^{\prime \prime }-12 y^{\prime } x +48 y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.496

17675

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+14 x^{3} y^{\prime \prime \prime }+55 x^{2} y^{\prime \prime }+65 y^{\prime } x +15 y&=0 \\ \end{align*}

[[_high_order, _exact, _linear, _homogeneous]]

0.497

17676

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+8 x^{3} y^{\prime \prime \prime }+27 x^{2} y^{\prime \prime }+35 y^{\prime } x +45 y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.481

17677

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+10 x^{3} y^{\prime \prime \prime }+27 x^{2} y^{\prime \prime }+21 y^{\prime } x +4 y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.447

17678

\begin{align*} x^{3} y^{\prime \prime \prime }+9 x^{2} y^{\prime \prime }+44 y^{\prime } x +58 y&=0 \\ y \left (1\right ) &= 2 \\ y^{\prime }\left (1\right ) &= 10 \\ y^{\prime \prime }\left (1\right ) &= -2 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.510

17679

\begin{align*} 6 x^{2} y^{\prime \prime }+5 y^{\prime } x -y&=0 \\ y \left (1\right ) &= a \\ y^{\prime }\left (1\right ) &= b \\ \end{align*}

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

1.773

17680

\begin{align*} x^{2} y^{\prime \prime }-2 y^{\prime } x +7 y&=0 \\ \end{align*}

Series expansion around \(x=1\).

[[_Emden, _Fowler]]

1.243

17681

\begin{align*} \left (x -2\right ) y^{\prime \prime }+y^{\prime }-y&=0 \\ \end{align*}

Series expansion around \(x=-2\).

[[_2nd_order, _with_linear_symmetries]]

1.270

17682

\begin{align*} \left (x^{2}-4\right ) y^{\prime \prime }+16 \left (2+x \right ) y^{\prime }-y&=0 \\ \end{align*}

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

1.339

17683

\begin{align*} y^{\prime \prime }+3 y^{\prime }-18 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

1.107

17684

\begin{align*} y^{\prime \prime }-11 y^{\prime }+30 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

1.121

17685

\begin{align*} y^{\prime \prime }+y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.691

17686

\begin{align*} y^{\prime \prime }-y^{\prime }-2 y&={\mathrm e}^{-x} \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.126

17687

\begin{align*} \left (-2-2 x \right ) y^{\prime \prime }+2 y^{\prime }+4 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.990

17688

\begin{align*} \left (3 x +2\right ) y^{\prime \prime }+3 y^{\prime } x&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _missing_y]]

0.875

17689

\begin{align*} \left (1+3 x \right ) y^{\prime \prime }-3 y^{\prime }-2 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.049

17690

\begin{align*} \left (-x^{2}+2\right ) y^{\prime \prime }+2 \left (x -1\right ) y^{\prime }+4 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

1.178

17691

\begin{align*} y^{\prime \prime }-y^{\prime } x +4 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[_Hermite]

0.769

17692

\begin{align*} \left (2 x^{2}+2\right ) y^{\prime \prime }+2 y^{\prime } x -3 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

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

0.929

17693

\begin{align*} \left (3-2 x \right ) y^{\prime \prime }+2 y^{\prime }-2 y&=0 \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= -2 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.877

17694

\begin{align*} y^{\prime \prime }-4 x^{2} y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.611

17695

\begin{align*} \left (2 x^{2}-1\right ) y^{\prime \prime }+2 y^{\prime } x -3 y&=0 \\ y \left (0\right ) &= -2 \\ y^{\prime }\left (0\right ) &= 2 \\ \end{align*}

Series expansion around \(x=0\).

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

0.799

17696

\begin{align*} y^{\prime \prime }+y^{\prime } x&=\sin \left (x \right ) \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _missing_y]]

0.712

17697

\begin{align*} y^{\prime \prime }+y^{\prime }+y x&=\cos \left (x \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.813

17698

\begin{align*} y^{\prime \prime }+\left (-1+y^{2}\right ) y^{\prime }+y&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _missing_x], _Van_der_Pol]

0.477

17699

\begin{align*} y^{\prime \prime }+\left (\frac {{y^{\prime }}^{2}}{3}-1\right ) y^{\prime }+y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.470

17700

\begin{align*} y^{\prime \prime }-2 y^{\prime } x +2 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.704