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]]

0.186

17602

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

[[_high_order, _missing_x]]

0.178

17603

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

[[_high_order, _missing_y]]

0.901

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]]

0.227

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]]

0.628

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]]

0.621

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]]

0.582

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]]

0.217

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]]

1.171

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 }&=-2-t \\ \end{align*}

[[_3rd_order, _missing_y]]

1.126

17611

\begin{align*} 2 t^{3} y^{\prime \prime \prime }+t^{2} y^{\prime \prime }+t y^{\prime }-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]]

0.484

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]]

0.262

17613

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

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

2.894

17614

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

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

2.850

17615

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

[[_Emden, _Fowler]]

3.106

17616

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

[[_Emden, _Fowler]]

3.108

17617

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

[[_Emden, _Fowler]]

0.476

17618

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

[[_Emden, _Fowler]]

3.057

17619

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

[[_Emden, _Fowler]]

2.836

17620

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

[[_Emden, _Fowler]]

2.850

17621

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

[[_Emden, _Fowler]]

2.040

17622

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

[[_Emden, _Fowler]]

0.362

17623

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

[[_Emden, _Fowler]]

2.013

17624

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

[[_Emden, _Fowler]]

2.009

17625

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

[[_3rd_order, _with_linear_symmetries]]

0.213

17626

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

[[_3rd_order, _with_linear_symmetries]]

0.213

17627

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

[[_3rd_order, _with_linear_symmetries]]

0.211

17628

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

[[_3rd_order, _exact, _linear, _homogeneous]]

0.214

17629

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

[[_3rd_order, _with_linear_symmetries]]

0.201

17630

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

[[_3rd_order, _exact, _linear, _homogeneous]]

0.213

17631

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

[[_3rd_order, _exact, _linear, _homogeneous]]

0.212

17632

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

[[_high_order, _missing_y]]

0.444

17633

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

[[_2nd_order, _with_linear_symmetries]]

8.158

17634

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

[[_2nd_order, _with_linear_symmetries]]

8.154

17635

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

[[_2nd_order, _with_linear_symmetries]]

11.515

17636

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

[[_2nd_order, _with_linear_symmetries]]

10.000

17637

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

[[_2nd_order, _with_linear_symmetries]]

1.658

17638

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

[[_2nd_order, _with_linear_symmetries]]

3.269

17639

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

[[_2nd_order, _with_linear_symmetries]]

2.739

17640

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

[[_2nd_order, _with_linear_symmetries]]

2.993

17641

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

[[_3rd_order, _with_linear_symmetries]]

0.429

17642

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

[[_3rd_order, _with_linear_symmetries]]

0.440

17643

\begin{align*} 3 x^{2} y^{\prime \prime }-4 x y^{\prime }+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)]‘]]

3.212

17644

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

[[_Emden, _Fowler]]

3.503

17645

\begin{align*} x^{2} y^{\prime \prime }+x y^{\prime }+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)]‘]]

2.576

17646

\begin{align*} x^{2} y^{\prime \prime }+x y^{\prime }+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)]‘]]

2.766

17647

\begin{align*} x^{3} y^{\prime \prime \prime }+10 x^{2} y^{\prime \prime }-20 x y^{\prime }+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]]

0.266

17648

\begin{align*} x^{3} y^{\prime \prime \prime }+15 x^{2} y^{\prime \prime }+54 x y^{\prime }+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]]

0.270

17649

\begin{align*} x^{3} y^{\prime \prime \prime }-2 x^{2} y^{\prime \prime }+5 x y^{\prime }-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]]

0.289

17650

\begin{align*} x^{3} y^{\prime \prime \prime }-6 x^{2} y^{\prime \prime }+17 x y^{\prime }-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]]

0.288

17651

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.516

17652

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

26.943

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]]

0.794

17654

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

[[_2nd_order, _with_linear_symmetries]]

36.675

17655

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

[[_Emden, _Fowler]]

2.754

17656

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

[[_2nd_order, _exact, _linear, _homogeneous]]

3.444

17657

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

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

2.123

17658

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

[[_3rd_order, _missing_y]]

0.211

17659

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

[[_3rd_order, _missing_y]]

0.210

17660

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

[[_3rd_order, _with_linear_symmetries]]

0.196

17661

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

[[_3rd_order, _missing_y]]

0.370

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)]‘]]

1.667

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]]

2.110

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)]‘]]

1.859

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]]

2.422

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)]‘]]

1.807

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)]‘]]

1.733

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)]‘]]

2.400

17669

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

[[_2nd_order, _exact, _linear, _homogeneous]]

3.390

17670

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

[[_2nd_order, _with_linear_symmetries]]

3.032

17671

\begin{align*} x^{2} y^{\prime \prime }+x y^{\prime }+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)]‘]]

11.649

17672

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

[[_Emden, _Fowler]]

2.349

17673

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

[[_3rd_order, _with_linear_symmetries]]

0.214

17674

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

[[_high_order, _with_linear_symmetries]]

0.247

17675

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

[[_high_order, _exact, _linear, _homogeneous]]

0.256

17676

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

[[_high_order, _with_linear_symmetries]]

0.253

17677

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

[[_high_order, _with_linear_symmetries]]

0.250

17678

\begin{align*} x^{3} y^{\prime \prime \prime }+9 x^{2} y^{\prime \prime }+44 x y^{\prime }+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]]

0.290

17679

\begin{align*} 6 x^{2} y^{\prime \prime }+5 x y^{\prime }-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)]‘]]

1.406

17680

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

Series expansion around \(x=1\).

[[_Emden, _Fowler]]

0.839

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]]

0.817

17682

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

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

0.926

17683

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

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.721

17684

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

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.684

17685

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

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.428

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]]

0.733

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]]

0.645

17688

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

Series expansion around \(x=0\).

[[_2nd_order, _missing_y]]

0.578

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]]

0.659

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]]

0.769

17691

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

Series expansion around \(x=0\).

[_Hermite]

0.527

17692

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

Series expansion around \(x=0\).

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

0.606

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]]

0.605

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]]

0.460

17695

\begin{align*} \left (2 x^{2}-1\right ) y^{\prime \prime }+2 x y^{\prime }-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)]‘]]

0.621

17696

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

0.554

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]]

0.642

17698

\begin{align*} y^{\prime \prime }+\left (y^{2}-1\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]

0.371

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]]

0.359

17700

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.508