2.2.71 Problems 7001 to 7100

Table 2.159: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

7001

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

[_exact]

2.770

7002

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

[[_1st_order, _with_linear_symmetries]]

2.521

7003

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

[_Bernoulli]

3.737

7004

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

[_separable]

2.756

7005

\begin{align*} y^{\prime }+a y&=k \,{\mathrm e}^{b x} \\ \end{align*}

[[_linear, ‘class A‘]]

1.253

7006

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

[[_homogeneous, ‘class C‘], _Riccati]

1.685

7007

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

[_Bernoulli]

1.799

7008

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

[NONE]

31.371

7009

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

[[_linear, ‘class A‘]]

2.115

7010

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

[_separable]

3.609

7011

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

[[_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

2.750

7012

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

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

5.734

7013

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

[_linear]

2.564

7014

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

[[_homogeneous, ‘class G‘]]

3.022

7015

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

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

3.497

7016

\begin{align*} x y^{\prime }+a y+b \,x^{n}&=0 \\ \end{align*}

[_linear]

2.151

7017

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

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

5.299

7018

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

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

13.667

7019

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

[_exact, _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

3.812

7020

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

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

3.749

7021

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

[_linear]

3.378

7022

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

[_exact, _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

3.461

7023

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

[_separable]

5.357

7024

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

[_separable]

4.370

7025

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

[_exact, _rational]

1.973

7026

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

[_linear]

3.935

7027

\begin{align*} y^{2}+12 x^{2} y+\left (2 y x +4 x^{3}\right ) y^{\prime }&=0 \\ \end{align*}

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

9.420

7028

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

[_rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘], [_Abel, ‘2nd type‘, ‘class C‘]]

2.231

7029

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

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

12.586

7030

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

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

6.747

7031

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

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

8.243

7032

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

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

93.477

7033

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

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

3.445

7034

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

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

0.678

7035

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

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

3.097

7036

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

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

1.129

7037

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

[_rational]

2.177

7038

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

[_separable]

2.108

7039

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

[_separable]

2.307

7040

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

[[_2nd_order, _missing_x]]

0.792

7041

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

[[_2nd_order, _missing_x]]

0.267

7042

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

[[_2nd_order, _missing_x]]

1.378

7043

\begin{align*} 6 y^{\prime \prime }-11 y^{\prime }+4 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.266

7044

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

[[_2nd_order, _missing_x]]

0.284

7045

\begin{align*} y^{\prime \prime \prime }+y^{\prime \prime }-10 y^{\prime }-6 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.074

7046

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

[[_high_order, _missing_x]]

0.047

7047

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

[[_high_order, _missing_x]]

0.058

7048

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

[[_high_order, _missing_x]]

0.057

7049

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

[[_2nd_order, _missing_x]]

0.383

7050

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

[[_2nd_order, _missing_x]]

0.319

7051

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

[[_high_order, _quadrature]]

0.034

7052

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

[[_2nd_order, _missing_x]]

0.306

7053

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

[[_3rd_order, _missing_x]]

0.046

7054

\begin{align*} y^{\prime \prime \prime }-6 y^{\prime \prime }+12 y^{\prime }-8 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.045

7055

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

[[_2nd_order, _missing_x]]

0.307

7056

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

[[_high_order, _missing_x]]

0.042

7057

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

[[_high_order, _missing_x]]

0.046

7058

\begin{align*} y^{\prime \prime \prime \prime }+2 y^{\prime \prime \prime }-11 y^{\prime \prime }-12 y^{\prime }+36 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.059

7059

\begin{align*} 36 y^{\prime \prime \prime \prime }-37 y^{\prime \prime }+4 y^{\prime }+5 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.052

7060

\begin{align*} y^{\prime \prime \prime \prime }-8 y^{\prime \prime }+36 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.084

7061

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

[[_2nd_order, _missing_x]]

0.308

7062

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

[[_2nd_order, _missing_x]]

0.338

7063

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

[[_high_order, _missing_x]]

0.057

7064

\begin{align*} y^{\prime \prime }-4 y^{\prime }+20 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.311

7065

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

[[_high_order, _missing_x]]

0.060

7066

\begin{align*} y^{\prime \prime \prime }+8 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.044

7067

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

[[_high_order, _missing_x]]

0.049

7068

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

[[_high_order, _missing_x]]

0.065

7069

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

[[_2nd_order, _quadrature]]

0.737

7070

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

[[_2nd_order, _missing_x]]

0.460

7071

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

[[_2nd_order, _missing_x]]

0.451

7072

\begin{align*} y^{\prime \prime }-4 y^{\prime }+20 y&=0 \\ y \left (\frac {\pi }{2}\right ) &= 1 \\ y^{\prime }\left (\frac {\pi }{2}\right ) &= 1 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.461

7073

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

[[_3rd_order, _missing_x]]

0.091

7074

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

[[_2nd_order, _missing_x]]

0.360

7075

\begin{align*} y^{\prime \prime }+3 y^{\prime }+2 y&=12 \,{\mathrm e}^{x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.387

7076

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

[[_2nd_order, _with_linear_symmetries]]

0.493

7077

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.397

7078

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.390

7079

\begin{align*} y^{\prime \prime }+3 y^{\prime }+2 y&=8+6 \,{\mathrm e}^{x}+2 \sin \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.534

7080

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

[[_2nd_order, _with_linear_symmetries]]

0.490

7081

\begin{align*} y^{\prime \prime }-2 y^{\prime }-8 y&=9 x \,{\mathrm e}^{x}+10 \,{\mathrm e}^{-x} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.471

7082

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

[[_2nd_order, _missing_y]]

1.076

7083

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

[[_2nd_order, _missing_y]]

0.833

7084

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

[[_2nd_order, _missing_y]]

1.056

7085

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.558

7086

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.606

7087

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.510

7088

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.434

7089

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.408

7090

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

[[_2nd_order, _with_linear_symmetries]]

0.524

7091

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.622

7092

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.548

7093

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.892

7094

\begin{align*} y^{\prime \prime }-5 y^{\prime }-6 y&={\mathrm e}^{3 x} \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.560

7095

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.625

7096

\begin{align*} y^{\prime \prime }+9 y&=8 \cos \left (x \right ) \\ y \left (\frac {\pi }{2}\right ) &= -1 \\ y^{\prime }\left (\frac {\pi }{2}\right ) &= 1 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.738

7097

\begin{align*} 6 y-5 y^{\prime }+y^{\prime \prime }&={\mathrm e}^{x} \left (2 x -3\right ) \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 3 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.589

7098

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

[[_2nd_order, _with_linear_symmetries]]

0.543

7099

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.543

7100

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.592