2.2.258 Problems 25701 to 25800

Table 2.529: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

25701

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

[[_2nd_order, _missing_x]]

3.092

25702

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

[[_2nd_order, _missing_x]]

1.827

25703

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

[[_2nd_order, _missing_x]]

1.939

25704

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

[[_2nd_order, _missing_x]]

1.072

25705

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

[_quadrature]

9.323

25706

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

[_separable]

8.464

25707

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

[_quadrature]

3.896

25708

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

[[_homogeneous, ‘class G‘]]

15.023

25709

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

[_separable]

2.941

25710

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

[[_linear, ‘class A‘]]

1.455

25711

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

[_separable]

2.524

25712

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

[_separable]

2.457

25713

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

[[_homogeneous, ‘class A‘], _rational, _dAlembert]

14.208

25714

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

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

8.833

25715

\begin{align*} y^{\prime }&=\sqrt {y^{2}-9} \\ y \left (1\right ) &= 4 \\ \end{align*}

[_quadrature]

34.881

25716

\begin{align*} y^{\prime }&=\sqrt {y^{2}-9} \\ y \left (5\right ) &= 3 \\ \end{align*}

[_quadrature]

5.755

25717

\begin{align*} y^{\prime }&=\sqrt {y^{2}-9} \\ y \left (2\right ) &= -3 \\ \end{align*}

[_quadrature]

5.337

25718

\begin{align*} y^{\prime }&=\sqrt {y^{2}-9} \\ y \left (-1\right ) &= 1 \\ \end{align*}

[_quadrature]

7.774

25719

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

[_separable]

7.349

25720

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

[_quadrature]

10.656

25721

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

[_quadrature]

5.987

25722

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

[_separable]

8.498

25723

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

[_separable]

9.833

25724

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

[[_2nd_order, _missing_x]]

6.732

25725

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

[[_2nd_order, _missing_x]]

1.982

25726

\begin{align*} y^{\prime \prime }+9 y&=0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime }\left (\frac {\pi }{4}\right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

1.674

25727

\begin{align*} y^{\prime \prime }+9 y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (\pi \right ) &= 5 \\ \end{align*}

[[_2nd_order, _missing_x]]

3.190

25728

\begin{align*} y^{\prime \prime }+9 y&=0 \\ y \left (0\right ) &= 0 \\ y \left (\pi \right ) &= 4 \\ \end{align*}

[[_2nd_order, _missing_x]]

3.987

25729

\begin{align*} y^{\prime \prime }+9 y&=0 \\ y^{\prime }\left (\frac {\pi }{3}\right ) &= 1 \\ y^{\prime }\left (\pi \right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

4.812

25730

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

[[_linear, ‘class A‘]]

1.855

25731

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

[[_linear, ‘class A‘]]

1.916

25732

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

[_separable]

46.763

25733

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

[[_linear, ‘class A‘]]

1.775

25734

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

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

10.471

25735

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

[_separable]

4.419

25736

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

[_separable]

4.158

25737

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

[_quadrature]

0.889

25738

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

[_separable]

3.423

25739

\begin{align*} y^{\prime \prime }+9 y&=18 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.915

25740

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

[[_2nd_order, _missing_y]]

18.105

25741

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

[[_2nd_order, _missing_x]]

2.402

25742

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

[_quadrature]

1.655

25743

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

[_separable]

4.723

25744

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

[_separable]

9.956

25745

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

[_linear]

7.773

25746

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

[[_Riccati, _special]]

19.174

25747

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

[_quadrature]

0.337

25748

\begin{align*} y^{\prime }&=6 \sqrt {y}+5 x^{3} \\ y \left (-1\right ) &= 4 \\ \end{align*}

[_Chini]

5.005

25749

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

[[_2nd_order, _linear, _nonhomogeneous]]

21.473

25750

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

[[_2nd_order, _with_linear_symmetries]]

2.833

25751

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

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

3.446

25752

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

[[_2nd_order, _linear, _nonhomogeneous]]

5.769

25753

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

[_linear]

2.396

25754

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

[_linear]

2.158

25755

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

[[_2nd_order, _with_linear_symmetries]]

14.879

25756

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.880

25757

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

[_separable]

7.873

25758

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

[_quadrature]

2.039

25759

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

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

0.763

25760

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

[[_homogeneous, ‘class G‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

8.760

25761

\begin{align*} y^{\prime \prime }+2 y^{\prime }-3 y&=-12 x +8 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.859

25762

\begin{align*} y^{\prime \prime }+2 y^{\prime }-3 y&=-12 x +8 \\ y \left (0\right ) &= 5 \\ y^{\prime }\left (0\right ) &= -11 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.502

25763

\begin{align*} y^{\prime \prime }+2 y^{\prime }-3 y&=-12 x +8 \\ y \left (1\right ) &= -2 \\ y^{\prime }\left (1\right ) &= 4 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

49.718

25764

\begin{align*} y^{\prime \prime }+2 y^{\prime }-3 y&=-12 x +8 \\ y \left (-1\right ) &= 1 \\ y^{\prime }\left (-1\right ) &= 1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

62.014

25765

\begin{align*} y^{\prime \prime }+9 y&=f \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

31.041

25766

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

[[_2nd_order, _with_linear_symmetries]]

4.246

25767

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

[_Riccati]

13.763

25768

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

[_Riccati]

12.946

25769

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

[_Riccati]

12.371

25770

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

[_Riccati]

10.914

25771

\begin{align*} y^{\prime }&={\mathrm e}^{-\frac {x y^{2}}{100}} \\ y \left (-6\right ) &= 0 \\ \end{align*}

[‘y=_G(x,y’)‘]

2.148

25772

\begin{align*} y^{\prime }&={\mathrm e}^{-\frac {x y^{2}}{100}} \\ y \left (0\right ) &= 1 \\ \end{align*}

[‘y=_G(x,y’)‘]

1.373

25773

\begin{align*} y^{\prime }&={\mathrm e}^{-\frac {x y^{2}}{100}} \\ y \left (0\right ) &= -4 \\ \end{align*}

[‘y=_G(x,y’)‘]

1.373

25774

\begin{align*} y^{\prime }&={\mathrm e}^{-\frac {x y^{2}}{100}} \\ y \left (8\right ) &= -4 \\ \end{align*}

[‘y=_G(x,y’)‘]

1.406

25775

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

[_linear]

2.156

25776

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

[_linear]

1.957

25777

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

[_linear]

2.010

25778

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

[_linear]

1.867

25779

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

[_separable]

6.197

25780

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

[_separable]

3.869

25781

\begin{align*} y^{\prime }&=\cos \left (y\right ) \sin \left (x \right ) \\ y \left (3\right ) &= 3 \\ \end{align*}

[_separable]

6.826

25782

\begin{align*} y^{\prime }&=\cos \left (y\right ) \sin \left (x \right ) \\ y \left (0\right ) &= -{\frac {5}{2}} \\ \end{align*}

[_separable]

5.500

25783

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

[_quadrature]

7.380

25784

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

[_quadrature]

7.409

25785

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

[[_linear, ‘class A‘]]

1.753

25786

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

[[_linear, ‘class A‘]]

1.652

25787

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

[_separable]

8.352

25788

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

[_separable]

23.204

25789

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

[_quadrature]

8.497

25790

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

[_quadrature]

1.235

25791

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

[[_linear, ‘class A‘]]

2.667

25792

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

[[_linear, ‘class A‘]]

2.520

25793

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

[_separable]

4.407

25794

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

[_separable]

4.279

25795

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

[[_linear, ‘class A‘]]

2.738

25796

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

[[_linear, ‘class A‘]]

2.508

25797

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

[_linear]

6.322

25798

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

[_linear]

5.908

25799

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

[[_linear, ‘class A‘]]

1.485

25800

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

[[_Riccati, _special]]

25.797