2.2.237 Problems 23601 to 23700

Table 2.491: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

23601

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

system_of_ODEs

0.326

23602

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

system_of_ODEs

0.343

23603

\begin{align*} x^{\prime }&=3 x-2 y \\ y^{\prime }&=17 x-7 y \\ \end{align*}

system_of_ODEs

0.611

23604

\begin{align*} x^{\prime }&=3 x-5 y \\ y^{\prime }&=4 x-5 y \\ \end{align*}

system_of_ODEs

0.608

23605

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

With initial conditions

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

system_of_ODEs

0.412

23606

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

With initial conditions

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

system_of_ODEs

0.371

23607

\begin{align*} x^{\prime }&=3 x-2 y \\ y^{\prime }&=12 x-7 y \\ \end{align*}

With initial conditions

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

system_of_ODEs

0.446

23608

\begin{align*} x^{\prime }&=3 x-5 y \\ y^{\prime }&=4 x-5 y \\ \end{align*}

With initial conditions

\begin{align*} x \left (\pi \right ) &= 1 \\ y \left (\pi \right ) &= {\frac {4}{5}} \\ \end{align*}

system_of_ODEs

0.582

23609

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

system_of_ODEs

0.294

23610

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

system_of_ODEs

0.387

23611

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

system_of_ODEs

0.561

23612

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

system_of_ODEs

0.314

23613

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

system_of_ODEs

0.396

23614

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

system_of_ODEs

0.306

23615

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

system_of_ODEs

0.723

23616

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

system_of_ODEs

0.721

23617

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

system_of_ODEs

0.733

23618

\begin{align*} x^{\prime }&=7 x+4 y-4 z \\ y^{\prime }&=4 x-8 y-z \\ z^{\prime }&=-4 x-y-8 z \\ \end{align*}

system_of_ODEs

0.653

23619

\begin{align*} x^{\prime }&=x+2 y+z-w \\ y^{\prime }&=-y+2 z+2 w \\ z^{\prime }&=2 y+2 z+2 w \\ w^{\prime }&=-3 y-6 z-6 w \\ \end{align*}

system_of_ODEs

1.234

23620

\begin{align*} x^{\prime }&=3 x+y \\ y^{\prime }&=x+3 y \\ z^{\prime }&=2 z+w+h \\ w^{\prime }&=z+2 w+h \\ h^{\prime }&=z+w+2 h \\ \end{align*}

system_of_ODEs

1.250

23621

\begin{align*} x^{\prime }&=-10 x+y+7 z \\ y^{\prime }&=-9 x+4 y+5 z \\ z^{\prime }&=-17 x+y+12 z \\ \end{align*}

system_of_ODEs

0.835

23622

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

system_of_ODEs

0.964

23623

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

With initial conditions

\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ z \left (0\right ) &= -1 \\ \end{align*}

system_of_ODEs

0.710

23624

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

With initial conditions

\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ z \left (0\right ) &= -1 \\ \end{align*}

system_of_ODEs

0.668

23625

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

With initial conditions

\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 1 \\ z \left (0\right ) &= 3 \\ \end{align*}

system_of_ODEs

0.642

23626

\begin{align*} x^{\prime }&=7 x+4 y-4 z \\ y^{\prime }&=4 x-8 y-z \\ z^{\prime }&=-4 x-y-8 z \\ \end{align*}

With initial conditions

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

system_of_ODEs

0.635

23627

\begin{align*} x^{\prime }&=-10 x+y+7 z \\ y^{\prime }&=-9 x+4 y+5 z \\ z^{\prime }&=-17 x+y+12 z \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 6 \\ y \left (0\right ) &= 1 \\ z \left (0\right ) &= 10 \\ \end{align*}

system_of_ODEs

0.777

23628

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

With initial conditions

\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 1 \\ z \left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.816

23629

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

With initial conditions

\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ z \left (0\right ) &= 0 \\ u \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

1.156

23630

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

Using Laplace transform method.

[_quadrature]

0.233

23631

\begin{align*} y^{\prime \prime }+4 y&=4 \cos \left (2 t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 6 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.256

23632

\begin{align*} y^{\prime \prime }+3 y^{\prime }-4 y&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= -5 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.181

23633

\begin{align*} y^{\prime }-3 y&=13 \cos \left (2 t \right ) \\ y \left (0\right ) &= -1 \\ \end{align*}

Using Laplace transform method.

[[_linear, ‘class A‘]]

0.491

23634

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

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.200

23635

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

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.173

23636

\begin{align*} y^{\prime \prime }-y&=6 \,{\mathrm e}^{t} \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= 3 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.194

23637

\begin{align*} y^{\prime \prime }-4 y&=-3 \,{\mathrm e}^{t} \\ y \left (0\right ) &= -1 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.212

23638

\begin{align*} y^{\prime \prime }+10 y^{\prime }+25 y&=2 \,{\mathrm e}^{-5 t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= -1 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.202

23639

\begin{align*} y^{\prime \prime \prime }-27 y&=0 \\ y \left (0\right ) &= -1 \\ y^{\prime }\left (0\right ) &= 6 \\ y^{\prime \prime }\left (0\right ) &= 18 \\ \end{align*}

Using Laplace transform method.

[[_3rd_order, _missing_x]]

0.299

23640

\begin{align*} y^{\prime \prime }-9 y^{\prime }+18 y&=54 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= -3 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.207

23641

\begin{align*} y^{\prime \prime }-9 y&=20 \cos \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 18 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.235

23642

\begin{align*} y^{\prime \prime }+9 y&={\mathrm e}^{t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.225

23643

\begin{align*} y^{\prime \prime }-3 y^{\prime }+2 y&=24 \cosh \left (t \right ) \\ y \left (0\right ) &= 6 \\ y^{\prime }\left (0\right ) &= -3 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.227

23644

\begin{align*} y^{\prime \prime }+10 y^{\prime }+26 y&=37 \,{\mathrm e}^{t} \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 2 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.209

23645

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

Using Laplace transform method.

[[_3rd_order, _missing_x]]

0.292

23646

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

Using Laplace transform method.

[[_3rd_order, _missing_x]]

0.276

23647

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

Using Laplace transform method.

[[_linear, ‘class A‘]]

0.404

23648

\begin{align*} y^{\prime \prime }+6 y^{\prime }+9 y&=27 t \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.210

23649

\begin{align*} y^{\prime \prime }-y^{\prime }-6 y&=\cos \left (t \right )+57 \sin \left (t \right ) \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 7 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.243

23650

\begin{align*} y^{\prime \prime }-3 y^{\prime }-4 y&=25 t \,{\mathrm e}^{-t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 4 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.229

23651

\begin{align*} y^{\prime \prime }+13 y^{\prime }+36 y&=10-72 t \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= -1 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.224

23652

\begin{align*} y^{\prime \prime }+2 y^{\prime }-15 y&=16 t \,{\mathrm e}^{-t}-15 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= -9 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.223

23653

\begin{align*} y^{\prime \prime }-10 y^{\prime }+21 y&=21 t^{2}+t +13 \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= 11 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.232

23654

\begin{align*} y^{\prime \prime }+7 y^{\prime }+10 y&=3 \,{\mathrm e}^{-2 t}-6 \,{\mathrm e}^{-5 t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.226

23655

\begin{align*} 4 y^{\prime \prime }-3 y^{\prime }-y&=34 \sin \left (t \right ) \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= -2 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.257

23656

\begin{align*} y^{\prime \prime \prime }-y&=12 \sinh \left (t \right ) \\ y \left (0\right ) &= 6 \\ y^{\prime }\left (0\right ) &= -1 \\ y^{\prime \prime }\left (0\right ) &= 7 \\ \end{align*}

Using Laplace transform method.

[[_3rd_order, _linear, _nonhomogeneous]]

0.313

23657

\begin{align*} y^{\prime \prime }+2 y^{\prime }-3 y&=3 t^{3}-9 t^{2}-5 t +1 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 8 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.231

23658

\begin{align*} y^{\prime \prime }+4 y^{\prime }+5 y&=39 \,{\mathrm e}^{t} \sin \left (t \right ) \\ y \left (0\right ) &= -1 \\ y^{\prime }\left (0\right ) &= -1 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.277

23659

\begin{align*} y^{\prime \prime }+2 y^{\prime }+5 y&=8 \,{\mathrm e}^{t}+5 t \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= 2 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.269

23660

\begin{align*} y^{\prime \prime }-4 y^{\prime }+4 y&=3 \,{\mathrm e}^{2 t} t -4 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.235

23661

\begin{align*} y^{\prime \prime \prime }+y&=18 \,{\mathrm e}^{2 t} \\ y \left (0\right ) &= -1 \\ y^{\prime }\left (0\right ) &= 13 \\ y^{\prime \prime }\left (0\right ) &= -1 \\ \end{align*}

Using Laplace transform method.

[[_3rd_order, _with_linear_symmetries]]

0.300

23662

\begin{align*} y^{\prime \prime \prime }+8 y&=-12 \,{\mathrm e}^{-2 t} \\ y \left (0\right ) &= -8 \\ y^{\prime }\left (0\right ) &= 24 \\ y^{\prime \prime }\left (0\right ) &= -46 \\ \end{align*}

Using Laplace transform method.

[[_3rd_order, _with_linear_symmetries]]

0.335

23663

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

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.214

23664

\begin{align*} y^{\prime \prime }+7 y^{\prime }+6 y&=250 \,{\mathrm e}^{t} \cos \left (t \right ) \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= -7 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.270

23665

\begin{align*} y^{\prime \prime }+4 y^{\prime }+13 y&=13 t +17+40 \sin \left (t \right ) \\ y \left (0\right ) &= 30 \\ y^{\prime }\left (0\right ) &= 4 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.297

23666

\begin{align*} y^{\prime }&=3 y \\ \end{align*}

Series expansion around \(x=0\).

[_quadrature]

0.368

23667

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

3.234

23668

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.705

23669

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.475

23670

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.870

23671

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.491

23672

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

2.911

23673

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.158

23674

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.486

23675

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.280

23676

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

Series expansion around \(x=0\).

[_Bessel]

0.831

23677

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

Series expansion around \(x=0\).

[_Gegenbauer]

0.521

23678

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

Series expansion around \(x=0\).

[_Jacobi]

1.204

23679

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.436

23680

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

Series expansion around \(x=0\).

[_Laguerre]

0.859

23681

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

Series expansion around \(x=0\).

[_Gegenbauer]

0.592

23682

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+12 y&=0 \\ \end{align*}

Series expansion around \(x=-1\).

[_Gegenbauer]

0.808

23683

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.219

23684

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.480

23685

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.104

23686

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

Series expansion around \(x=3\).

[[_2nd_order, _with_linear_symmetries]]

0.523

23687

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

Series expansion around \(x=-3\).

[[_2nd_order, _with_linear_symmetries]]

0.928

23688

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.349

23689

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

Series expansion around \(x=0\).

[_Gegenbauer]

0.408

23690

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

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

[[_2nd_order, _with_linear_symmetries]]

0.388

23691

\begin{align*} \left (-x^{2}+4 x -3\right ) y^{\prime \prime }-2 \left (x -2\right ) y^{\prime }+6 y&=0 \\ y \left (2\right ) &= 1 \\ y^{\prime }\left (2\right ) &= 0 \\ \end{align*}

Series expansion around \(x=2\).

[[_2nd_order, _with_linear_symmetries]]

0.460

23692

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.382

23693

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

Series expansion around \(x=0\).

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

0.412

23694

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.345

23695

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

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

0.381

23696

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

Series expansion around \(x=0\).

[_Gegenbauer]

0.358

23697

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

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

[[_2nd_order, _with_linear_symmetries]]

0.413

23698

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.289

23699

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.280

23700

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

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

0.526