2.2.98 Problems 9701 to 9800

Table 2.213: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

9701

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

system_of_ODEs

0.793

9702

\begin{align*} x^{\prime }&=4 x+5 y \\ y^{\prime }&=-2 x+6 y \\ \end{align*}

system_of_ODEs

0.822

9703

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

system_of_ODEs

0.704

9704

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

system_of_ODEs

0.796

9705

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

system_of_ODEs

0.865

9706

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

system_of_ODEs

1.546

9707

\begin{align*} x^{\prime }&=x-12 y-14 z \\ y^{\prime }&=x+2 y-3 z \\ z^{\prime }&=x+y-2 z \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 4 \\ y \left (0\right ) &= 6 \\ z \left (0\right ) &= -7 \\ \end{align*}

system_of_ODEs

1.340

9708

\begin{align*} x^{\prime }&=2 x+3 y-7 \\ y^{\prime }&=-x-2 y+5 \\ \end{align*}

system_of_ODEs

1.046

9709

\begin{align*} x^{\prime }&=5 x+9 y+2 \\ y^{\prime }&=-x+11 y+6 \\ \end{align*}

system_of_ODEs

0.881

9710

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

[_separable]

0.517

9711

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

[_quadrature]

0.436

9712

\begin{align*} {y^{\prime }}^{2} x^{2}-5 x y y^{\prime }+6 y^{2}&=0 \\ \end{align*}

[_separable]

0.491

9713

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

[_separable]

0.481

9714

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

[_quadrature]

0.620

9715

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

[_quadrature]

0.471

9716

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

[_quadrature]

0.508

9717

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

[_separable]

0.500

9718

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

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

3.389

9719

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

[_quadrature]

0.621

9720

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

[_separable]

0.786

9721

\begin{align*} \left (4 x -y\right ) {y^{\prime }}^{2}+6 \left (x -y\right ) y^{\prime }+2 x -5 y&=0 \\ \end{align*}

[_quadrature]

17.516

9722

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

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

3.101

9723

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

[_quadrature]

1.276

9724

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

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

2.128

9725

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

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

4.837

9726

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

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

1.998

9727

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

[_quadrature]

0.626

9728

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

[_quadrature]

0.641

9729

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

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

4.473

9730

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

[[_homogeneous, ‘class G‘], _rational]

3.553

9731

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

3.698

9732

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.552

9733

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

[[_1st_order, _with_linear_symmetries]]

1.212

9734

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

[[_1st_order, _with_linear_symmetries], _rational]

1.616

9735

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

[[_1st_order, _with_linear_symmetries], _rational]

2.527

9736

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

[_dAlembert]

73.093

9737

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

[[_1st_order, _with_linear_symmetries]]

2.984

9738

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

[[_1st_order, _with_linear_symmetries]]

0.652

9739

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

[[_1st_order, _with_linear_symmetries]]

1.168

9740

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

[[_1st_order, _with_linear_symmetries]]

1.057

9741

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.559

9742

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.727

9743

\begin{align*} x^{8} {y^{\prime }}^{2}+3 x y^{\prime }+9 y&=0 \\ \end{align*}

[[_homogeneous, ‘class G‘]]

3.678

9744

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

[[_homogeneous, ‘class G‘], _rational]

1.766

9745

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

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

3.419

9746

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

[[_homogeneous, ‘class G‘], _rational]

2.872

9747

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

[[_1st_order, _with_linear_symmetries], _rational, _dAlembert]

0.814

9748

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

[[_1st_order, _with_linear_symmetries], _rational, _Clairaut]

0.747

9749

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

[[_1st_order, _with_linear_symmetries]]

1.135

9750

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

[[_1st_order, _with_linear_symmetries]]

1.169

9751

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

2.398

9752

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

3.613

9753

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

9.645

9754

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

2.442

9755

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

2.511

9756

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

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

45.684

9757

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

1.448

9758

\begin{align*} 5 {y^{\prime }}^{2}+6 x y^{\prime }-2 y&=0 \\ \end{align*}

[[_1st_order, _with_linear_symmetries], _dAlembert]

1.716

9759

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

[_rational, _dAlembert]

7.642

9760

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

1.637

9761

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

1.641

9762

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

[[_homogeneous, ‘class G‘], _rational]

22.909

9763

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

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

3.511

9764

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

[[_2nd_order, _missing_y]]

0.801

9765

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

[[_2nd_order, _missing_y]]

0.589

9766

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

[[_2nd_order, _missing_x], [_2nd_order, _exact, _nonlinear], _Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

1.214

9767

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

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

1.368

9768

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

[[_2nd_order, _missing_x], _Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

1.593

9769

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

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

6.004

9770

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

[[_2nd_order, _missing_y]]

1.891

9771

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

[[_2nd_order, _missing_y]]

2.123

9772

\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]]

0.671

9773

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

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

6.293

9774

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

[[_2nd_order, _missing_x]]

4.782

9775

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

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

1.839

9776

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

[[_2nd_order, _missing_y]]

2.363

9777

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

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

0.685

9778

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

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

0.780

9779

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

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

0.857

9780

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

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

0.679

9781

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

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

10.392

9782

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

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

6.903

9783

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

[[_2nd_order, _missing_y]]

1.217

9784

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

[[_2nd_order, _missing_x], _Liouville, [_2nd_order, _reducible, _mu_xy]]

1.271

9785

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

[[_2nd_order, _missing_y]]

0.852

9786

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

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

3.979

9787

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

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

0.898

9788

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

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_xy]]

5.970

9789

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

[[_2nd_order, _missing_x]]

11.810

9790

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

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

3.124

9791

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

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

13.582

9792

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

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

115.139

9793

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

[[_2nd_order, _missing_y]]

0.850

9794

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

[[_2nd_order, _missing_y]]

0.925

9795

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

[[_2nd_order, _missing_y], _Liouville, [_2nd_order, _reducible, _mu_xy]]

1.306

9796

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

[[_2nd_order, _missing_y]]

0.830

9797

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

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_xy]]

2.786

9798

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

[[_2nd_order, _missing_y]]

13.796

9799

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

[[_2nd_order, _missing_y]]

0.694

9800

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

[[_2nd_order, _missing_y]]

1.320