2.2.169 Problems 16801 to 16900

Table 2.351: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

16801

\begin{align*} y^{\prime }&=3 \delta \left (-2+t \right ) \\ y \left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[_quadrature]

0.326

16802

\begin{align*} y^{\prime }&=\delta \left (-2+t \right )-\delta \left (t -4\right ) \\ y \left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[_quadrature]

0.356

16803

\begin{align*} y^{\prime \prime }&=\delta \left (t -3\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _quadrature]]

0.258

16804

\begin{align*} y^{\prime \prime }&=\delta \left (t -1\right )-\delta \left (t -4\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _quadrature]]

0.281

16805

\begin{align*} y^{\prime }+2 y&=4 \delta \left (t -1\right ) \\ y \left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_linear, ‘class A‘]]

0.985

16806

\begin{align*} y^{\prime \prime }+y&=\delta \left (t \right )+\delta \left (t -\pi \right ) \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.617

16807

\begin{align*} y^{\prime \prime }+y&=-2 \delta \left (t -\frac {\pi }{2}\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

1.024

16808

\begin{align*} 3 y+y^{\prime }&=\delta \left (-2+t \right ) \\ y \left (0\right ) &= 2 \\ \end{align*}
Using Laplace transform method.

[[_linear, ‘class A‘]]

1.382

16809

\begin{align*} y^{\prime \prime }+3 y^{\prime }&=\delta \left (t \right ) \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_y]]

0.309

16810

\begin{align*} y^{\prime \prime }+3 y^{\prime }&=\delta \left (t -1\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_y]]

1.428

16811

\begin{align*} y^{\prime \prime }+16 y&=\delta \left (-2+t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

1.271

16812

\begin{align*} y^{\prime \prime }-16 y&=\delta \left (t -10\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

1.261

16813

\begin{align*} y^{\prime \prime }+y&=\delta \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= -1 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.169

16814

\begin{align*} y^{\prime \prime }+4 y^{\prime }-12 y&=\delta \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.306

16815

\begin{align*} y^{\prime \prime }+4 y^{\prime }-12 y&=\delta \left (t -3\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

1.582

16816

\begin{align*} y^{\prime \prime }+6 y^{\prime }+9 y&=\delta \left (t -4\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

1.116

16817

\begin{align*} y^{\prime \prime }-12 y^{\prime }+45 y&=\delta \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.333

16818

\begin{align*} y^{\prime \prime \prime }+9 y^{\prime }&=\delta \left (t -1\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_3rd_order, _missing_y]]

1.935

16819

\begin{align*} y^{\prime \prime \prime \prime }-16 y&=\delta \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ y^{\prime \prime \prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_high_order, _linear, _nonhomogeneous]]

0.471

16820

\begin{align*} y^{\prime }-2 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_quadrature]

0.389

16821

\begin{align*} y^{\prime }-2 y x&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_separable]

0.360

16822

\begin{align*} y^{\prime }+\frac {2 y}{2 x -1}&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_separable]

0.385

16823

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

[_separable]

0.327

16824

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

[_separable]

0.322

16825

\begin{align*} y^{\prime }+\frac {y}{x -1}&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_separable]

0.384

16826

\begin{align*} y^{\prime }+\frac {y}{x -1}&=0 \\ \end{align*}
Series expansion around \(x=3\).

[_separable]

0.446

16827

\begin{align*} \left (1-x \right ) y^{\prime }-2 y&=0 \\ \end{align*}
Series expansion around \(x=5\).

[_separable]

0.438

16828

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

[_separable]

0.406

16829

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

[_separable]

0.341

16830

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

[_separable]

0.478

16831

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

[_separable]

0.423

16832

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.453

16833

\begin{align*} y^{\prime \prime }+y^{\prime } x +y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.479

16834

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

[[_2nd_order, _missing_y]]

0.469

16835

\begin{align*} y^{\prime \prime }-3 x^{2} y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.407

16836

\begin{align*} \left (-x^{2}+4\right ) y^{\prime \prime }-5 y^{\prime } x -3 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.595

16837

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

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

0.552

16838

\begin{align*} 6 y-2 y^{\prime } x +y^{\prime \prime }&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.490

16839

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.973

16840

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

[[_2nd_order, _with_linear_symmetries]]

0.593

16841

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.953

16842

\begin{align*} y^{\prime \prime }-2 y^{\prime }-y x&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.612

16843

\begin{align*} y^{\prime \prime }-y^{\prime } x -2 y x&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.570

16844

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

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

0.695

16845

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

[_Gegenbauer]

0.655

16846

\begin{align*} 4 y+y^{\prime \prime }&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.399

16847

\begin{align*} y^{\prime \prime }-x^{2} y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.383

16848

\begin{align*} y^{\prime \prime }+y \,{\mathrm e}^{2 x}&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.485

16849

\begin{align*} \sin \left (x \right ) y^{\prime \prime }-y&=0 \\ \end{align*}
Series expansion around \(x=\frac {\pi }{2}\).

[[_2nd_order, _with_linear_symmetries]]

0.599

16850

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.442

16851

\begin{align*} y^{\prime \prime }-\sin \left (x \right ) y^{\prime }-y x&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.753

16852

\begin{align*} y^{\prime \prime }-y^{2}&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

0.277

16853

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

[_quadrature]

0.380

16854

\begin{align*} y^{\prime }-{\mathrm e}^{x} y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_separable]

0.485

16855

\begin{align*} y^{\prime }-\tan \left (x \right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_separable]

0.472

16856

\begin{align*} \sin \left (x \right ) y^{\prime \prime }+x^{2} y^{\prime }-{\mathrm e}^{x} y&=0 \\ \end{align*}
Series expansion around \(x=2\).

[[_2nd_order, _with_linear_symmetries]]

11.948

16857

\begin{align*} \sinh \left (x \right ) y^{\prime \prime }+x^{2} y^{\prime }-{\mathrm e}^{x} y&=0 \\ \end{align*}
Series expansion around \(x=2\).

[[_2nd_order, _with_linear_symmetries]]

5.197

16858

\begin{align*} \sinh \left (x \right ) y^{\prime \prime }+x^{2} y^{\prime }-\sin \left (x \right ) y&=0 \\ \end{align*}
Series expansion around \(x=2\).

[[_2nd_order, _with_linear_symmetries]]

14.838

16859

\begin{align*} {\mathrm e}^{3 x} y^{\prime \prime }+\sin \left (x \right ) y^{\prime }+\frac {2 y}{x^{2}+4}&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

5.335

16860

\begin{align*} y^{\prime \prime }+\frac {\left ({\mathrm e}^{x}+1\right ) y}{1-{\mathrm e}^{x}}&=0 \\ \end{align*}
Series expansion around \(x=3\).

[[_2nd_order, _with_linear_symmetries]]

1.584

16861

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

[[_2nd_order, _with_linear_symmetries]]

0.718

16862

\begin{align*} y^{\prime \prime } x +\left (1-{\mathrm e}^{x}\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.883

16863

\begin{align*} \sin \left (\pi \,x^{2}\right ) y^{\prime \prime }+x^{2} y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

2.288

16864

\begin{align*} y^{\prime }-{\mathrm e}^{x} y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_separable]

0.389

16865

\begin{align*} y^{\prime }+y \,{\mathrm e}^{2 x}&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_separable]

0.469

16866

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

[_separable]

0.458

16867

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

[_separable]

0.619

16868

\begin{align*} y^{\prime \prime }-{\mathrm e}^{x} y&=0 \\ \end{align*}
Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

0.903

16869

\begin{align*} y^{\prime \prime }+3 y^{\prime } x -{\mathrm e}^{x} y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.832

16870

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

[[_2nd_order, _with_linear_symmetries]]

0.791

16871

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

[_Titchmarsh]

0.819

16872

\begin{align*} \sqrt {x}\, y^{\prime \prime }+y&=0 \\ \end{align*}
Series expansion around \(x=1\).

[[_Emden, _Fowler]]

0.961

16873

\begin{align*} y^{\prime \prime }+\left (6 x^{2}+2 x +1\right ) y^{\prime }+\left (2+12 x \right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.765

16874

\begin{align*} y^{\prime }-{\mathrm e}^{x} y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_separable]

0.708

16875

\begin{align*} y^{\prime }+y \sqrt {x^{2}+1}&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_separable]

0.817

16876

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

[_separable]

1.064

16877

\begin{align*} y^{\prime }+\sqrt {2 x^{2}+1}\, y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[_separable]

0.831

16878

\begin{align*} y^{\prime \prime }-{\mathrm e}^{x} y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.868

16879

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

[[_2nd_order, _with_linear_symmetries]]

0.998

16880

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.955

16881

\begin{align*} \sqrt {x}\, y^{\prime \prime }+y^{\prime }+y x&=0 \\ \end{align*}
Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

0.930

16882

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

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

0.520

16883

\begin{align*} 2 x^{2} y^{\prime \prime }+5 y^{\prime } x +y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.856

16884

\begin{align*} \left (x -1\right )^{2} y^{\prime \prime }-5 \left (x -1\right ) y^{\prime }+9 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.721

16885

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

[[_2nd_order, _missing_y]]

0.529

16886

\begin{align*} 3 \left (x -2\right )^{2} y^{\prime \prime }-4 \left (x -5\right ) y^{\prime }+2 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.786

16887

\begin{align*} \left (x -5\right )^{2} y^{\prime \prime }+\left (x -5\right ) y^{\prime }+4 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

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

0.768

16888

\begin{align*} x^{2} y^{\prime \prime }+\frac {x y^{\prime }}{x -2}+\frac {2 y}{2+x}&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

4.265

16889

\begin{align*} x^{3} y^{\prime \prime }+x^{2} y^{\prime }+y&=0 \\ \end{align*}
Series expansion around \(x=2\).

[[_Emden, _Fowler]]

0.889

16890

\begin{align*} \left (-x^{4}+x^{3}\right ) y^{\prime \prime }+\left (3 x -1\right ) y^{\prime }+827 y&=0 \\ \end{align*}
Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

5.648

16891

\begin{align*} y^{\prime \prime }+\frac {y^{\prime }}{x -3}+\frac {y}{x -4}&=0 \\ \end{align*}
Series expansion around \(x=3\).

[[_2nd_order, _with_linear_symmetries]]

1.000

16892

\begin{align*} y^{\prime \prime }+\frac {y^{\prime }}{\left (x -3\right )^{2}}+\frac {y}{\left (x -4\right )^{2}}&=0 \\ \end{align*}
Series expansion around \(x=4\).

[[_2nd_order, _with_linear_symmetries]]

2.746

16893

\begin{align*} y^{\prime \prime }+\left (\frac {1}{x}-\frac {1}{3}\right ) y^{\prime }+\left (\frac {1}{x}-\frac {1}{4}\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.032

16894

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

[[_2nd_order, _with_linear_symmetries]]

5.717

16895

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

[[_Emden, _Fowler]]

0.609

16896

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

[[_2nd_order, _with_linear_symmetries]]

0.880

16897

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

[[_2nd_order, _with_linear_symmetries]]

0.814

16898

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

[[_2nd_order, _with_linear_symmetries]]

4.698

16899

\begin{align*} \left (-9 x^{4}+x^{2}\right ) y^{\prime \prime }-6 y^{\prime } x +10 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.905

16900

\begin{align*} x^{2} y^{\prime \prime }-y^{\prime } x +\frac {y}{1-x}&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.855