2.2.151 Problems 15001 to 15100

Table 2.319: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

15001

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

system_of_ODEs

0.593

15002

\begin{align*} x^{\prime }&=11 x-2 y \\ y^{\prime }&=3 x+4 y \\ \end{align*}

system_of_ODEs

0.781

15003

\begin{align*} x^{\prime }&=x+20 y \\ y^{\prime }&=40 x-19 y \\ \end{align*}

system_of_ODEs

0.745

15004

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

system_of_ODEs

0.714

15005

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

system_of_ODEs

2.327

15006

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

system_of_ODEs

1.002

15007

\begin{align*} x^{\prime }&=-11 x-2 y \\ y^{\prime }&=13 x-9 y \\ \end{align*}

system_of_ODEs

1.011

15008

\begin{align*} x^{\prime }&=7 x-5 y \\ y^{\prime }&=10 x-3 y \\ \end{align*}

system_of_ODEs

0.956

15009

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

system_of_ODEs

0.595

15010

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

system_of_ODEs

0.595

15011

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

system_of_ODEs

0.579

15012

\begin{align*} x^{\prime }&=13 x \\ y^{\prime }&=13 y \\ \end{align*}

system_of_ODEs

0.428

15013

\begin{align*} x^{\prime }&=7 x-4 y \\ y^{\prime }&=x+3 y \\ \end{align*}

system_of_ODEs

0.647

15014

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

system_of_ODEs

0.532

15015

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

[_separable]

5.151

15016

\begin{align*} 12 x +6 y-9+\left (5 x +2 y-3\right ) y^{\prime }&=0 \\ \end{align*}

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

54.057

15017

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

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

24.208

15018

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

[_linear]

6.946

15019

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

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

45.279

15020

\begin{align*} x^{\prime }+3 x&={\mathrm e}^{2 t} \\ \end{align*}

[[_linear, ‘class A‘]]

3.907

15021

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

[_linear]

4.791

15022

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

[_separable]

5.672

15023

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

[[_linear, ‘class A‘]]

3.396

15024

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

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

50.999

15025

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

[_separable]

2.180

15026

\begin{align*} {y^{\prime }}^{2}&=9 y^{4} \\ \end{align*}

[_quadrature]

0.687

15027

\begin{align*} x^{\prime }&={\mathrm e}^{\frac {x}{t}}+\frac {x}{t} \\ \end{align*}

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

16.130

15028

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

[_quadrature]

1.139

15029

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

[_separable]

39.815

15030

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

[_quadrature]

1.946

15031

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

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

14.829

15032

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

[_quadrature]

123.819

15033

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

[_quadrature]

2.637

15034

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

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

4.987

15035

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

[[_1st_order, _with_linear_symmetries], _rational, _Bernoulli]

10.363

15036

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

[[_Riccati, _special]]

34.610

15037

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

[_Abel]

7.918

15038

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

[_Riccati]

13.478

15039

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

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

18.685

15040

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

[_quadrature]

1.044

15041

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

2.519

15042

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

[[_Riccati, _special]]

313.578

15043

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

[[_homogeneous, ‘class C‘], _dAlembert]

11.173

15044

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

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

10.768

15045

\begin{align*} x^{\prime }+5 x&=10 t +2 \\ x \left (1\right ) &= 2 \\ \end{align*}

[[_linear, ‘class A‘]]

24.079

15046

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

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

40.259

15047

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.954

15048

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.784

15049

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

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

19.574

15050

\begin{align*} x^{\prime }-x \cot \left (t \right )&=4 \sin \left (t \right ) \\ \end{align*}

[_linear]

4.422

15051

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

[[_homogeneous, ‘class G‘]]

5.699

15052

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

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

17.174

15053

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

[_quadrature]

3.048

15054

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

[_rational]

4.453

15055

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

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

34.110

15056

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

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

11.015

15057

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

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

32.722

15058

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

[_Bernoulli]

14.608

15059

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

[_linear]

8.096

15060

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

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

18.650

15061

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

[_exact, _rational]

4.207

15062

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

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

31.506

15063

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

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

11.098

15064

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.884

15065

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

5.408

15066

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

[_separable]

4.011

15067

\begin{align*} y^{\prime \prime }-6 y^{\prime }+10 y&=100 \\ y \left (0\right ) &= 10 \\ y^{\prime }\left (0\right ) &= 5 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.979

15068

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.656

15069

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

[[_3rd_order, _missing_x]]

0.117

15070

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.006

15071

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

[[_2nd_order, _with_linear_symmetries]]

5.329

15072

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.166

15073

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

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

0.759

15074

\begin{align*} x^{\prime \prime }-4 x^{\prime }+4 x&={\mathrm e}^{t}+{\mathrm e}^{2 t}+1 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.805

15075

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

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

1.117

15076

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

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

9.564

15077

\begin{align*} y^{\prime \prime \prime \prime }-16 y&=x^{2}-{\mathrm e}^{x} \\ \end{align*}

[[_high_order, _linear, _nonhomogeneous]]

0.254

15078

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

[[_3rd_order, _missing_x], [_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

4.273

15079

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

[[_high_order, _missing_x]]

0.318

15080

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

[[_high_order, _with_linear_symmetries]]

0.279

15081

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.710

15082

\begin{align*} x^{2} y^{\prime \prime }+x y^{\prime }+\left (9 x^{2}-\frac {1}{25}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.786

15083

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

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

1.228

15084

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

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

9.885

15085

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.938

15086

\begin{align*} u^{\prime \prime }+\frac {2 u^{\prime }}{r}&=0 \\ \end{align*}

[[_2nd_order, _missing_y]]

1.098

15087

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

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

2.318

15088

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

[[_2nd_order, _missing_x]]

2.542

15089

\begin{align*} x^{\prime \prime }+9 x&=t \sin \left (3 t \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.337

15090

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.033

15091

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

[[_3rd_order, _with_linear_symmetries]]

0.225

15092

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.125

15093

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

[[_2nd_order, _with_linear_symmetries]]

0.687

15094

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

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

6.625

15095

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

[[_2nd_order, _missing_x]]

1.840

15096

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

[[_high_order, _missing_y]]

0.358

15097

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

[[_high_order, _linear, _nonhomogeneous]]

1.227

15098

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

[[_2nd_order, _linear, _nonhomogeneous]]

18.595

15099

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

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

0.230

15100

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

[[_high_order, _linear, _nonhomogeneous]]

0.261