2.2.278 Problems 27701 to 27787

Table 2.573: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

27701

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

[[_3rd_order, _with_linear_symmetries]]

0.037

27702

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

[[_2nd_order, _with_linear_symmetries]]

0.757

27703

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

[[_2nd_order, _with_linear_symmetries]]

0.100

27704

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

[[_2nd_order, _with_linear_symmetries]]

0.466

27705

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

[[_2nd_order, _with_linear_symmetries]]

0.105

27706

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

[[_2nd_order, _with_linear_symmetries]]

0.758

27707

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

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

0.662

27708

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.268

27709

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

[[_2nd_order, _with_linear_symmetries]]

0.489

27710

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

[[_2nd_order, _with_linear_symmetries]]

0.131

27711

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+5 x y^{\prime }+4 y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.165

27712

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

[[_2nd_order, _with_linear_symmetries]]

0.371

27713

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

[[_2nd_order, _with_linear_symmetries]]

0.394

27714

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

[[_2nd_order, _with_linear_symmetries]]

0.490

27715

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.892

27716

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

[[_2nd_order, _with_linear_symmetries]]

0.668

27717

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

[[_2nd_order, _with_linear_symmetries]]

1.615

27718

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.506

27719

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

[[_2nd_order, _with_linear_symmetries]]

0.655

27720

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

[[_3rd_order, _with_linear_symmetries]]

0.054

27721

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

[[_3rd_order, _exact, _linear, _homogeneous]]

0.463

27722

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

[[_3rd_order, _with_linear_symmetries]]

0.056

27723

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.265

27724

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

[[_2nd_order, _with_linear_symmetries]]

0.744

27725

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

0.848

27726

\begin{align*} \left (3 x^{3}+x \right ) y^{\prime \prime }+2 y^{\prime }-6 y x&=-12 x^{2}+4 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.948

27727

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

[[_2nd_order, _with_linear_symmetries]]

0.487

27728

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

[[_2nd_order, _with_linear_symmetries]]

0.424

27729

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.556

27730

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

[[_2nd_order, _with_linear_symmetries]]

0.338

27731

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

[_Lienard]

0.314

27732

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

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

1.247

27733

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

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

1.340

27734

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

[[_2nd_order, _with_linear_symmetries]]

0.386

27735

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

[[_2nd_order, _with_linear_symmetries]]

0.185

27736

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

[[_2nd_order, _with_linear_symmetries]]

0.331

27737

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

[[_Emden, _Fowler]]

0.232

27738

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

[[_Emden, _Fowler]]

0.186

27739

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

[[_2nd_order, _with_linear_symmetries]]

2.961

27740

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

[[_2nd_order, _with_linear_symmetries]]

2.773

27741

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

[[_Emden, _Fowler]]

0.215

27742

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

[[_Emden, _Fowler]]

0.309

27743

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

[[_2nd_order, _with_linear_symmetries]]

0.150

27744

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

[[_Emden, _Fowler]]

0.199

27745

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

[[_Emden, _Fowler]]

0.221

27746

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

[[_Emden, _Fowler]]

0.208

27747

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

[[_2nd_order, _with_linear_symmetries]]

2.731

27748

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

[_Titchmarsh]

1.807

27749

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

[[_Emden, _Fowler]]

2.015

27750

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

[[_2nd_order, _with_linear_symmetries]]

1.496

27751

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

[[_Emden, _Fowler]]

0.313

27752

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

[[_Emden, _Fowler]]

0.182

27753

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

Series expansion around \(x=0\).

[[_Riccati, _special]]

0.370

27754

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

Series expansion around \(x=0\).

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

0.256

27755

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

Series expansion around \(x=0\).

[‘y=_G(x,y’)‘]

0.442

27756

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

Series expansion around \(x=0\).

[‘y=_G(x,y’)‘]

0.617

27757

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

Series expansion around \(x=1\).

[_Abel]

0.336

27758

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

Series expansion around \(x=0\).

[[_Emden, _modified]]

0.174

27759

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

Series expansion around \(x=0\).

[NONE]

0.169

27760

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

Series expansion around \(x=0\).

[[_Riccati, _special]]

0.134

27761

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

Series expansion around \(x=0\).

[‘y=_G(x,y’)‘]

0.322

27762

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.180

27763

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

Series expansion around \(x=0\).

[_Hermite]

0.221

27764

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.308

27765

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.283

27766

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.304

27767

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.348

27768

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.256

27769

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.325

27770

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.410

27771

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

Series expansion around \(x=0\).

[[_3rd_order, _exact, _linear, _homogeneous]]

0.060

27772

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

Series expansion around \(x=0\).

[_Lienard]

0.503

27773

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.547

27774

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.423

27775

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.510

27776

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.535

27777

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.860

27778

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.310

27779

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.617

27780

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.384

27781

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

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.732

27782

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

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.289

27783

\begin{align*} y^{\prime \prime }-y^{\prime }-y&=\frac {2 \sin \left (x \right )}{5-4 \cos \left (x \right )} \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.954

27784

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

Series expansion around \(x=0\).

[_Riccati]

0.136

27785

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

Series expansion around \(x=1\).

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

0.254

27786

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

Series expansion around \(x=1\).

[‘y=_G(x,y’)‘]

0.425

27787

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

system_of_ODEs

0.437