2.2.242 Problems 24101 to 24200

Table 2.497: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

24101

\begin{align*} x^{2} y^{\prime \prime }-\left (3 x^{4}+5 x \right ) y^{\prime }+\left (6 x^{3}+5\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.962

24102

\begin{align*} 6 x^{2} y^{\prime \prime }+\left (x^{3}+11 x \right ) y^{\prime }+\left (-2 x^{2}+1\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.891

24103

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

[[_2nd_order, _with_linear_symmetries]]

0.880

24104

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

0.534

24105

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

[[_2nd_order, _with_linear_symmetries]]

0.839

24106

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

[[_2nd_order, _with_linear_symmetries]]

0.657

24107

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

[[_2nd_order, _with_linear_symmetries]]

0.709

24108

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

[[_2nd_order, _with_linear_symmetries]]

0.752

24109

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

[_Laguerre]

0.877

24110

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

[[_Emden, _Fowler]]

3.697

24111

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

[[_2nd_order, _with_linear_symmetries]]

3.579

24112

\begin{align*} 4 x^{2} y^{\prime \prime }+8 y^{\prime } x +\left (2 x -3\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

4.566

24113

\begin{align*} 9 x^{2} y^{\prime \prime }+\left (x^{2}-15 x \right ) y^{\prime }+7 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

5.602

24114

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

[[_2nd_order, _with_linear_symmetries]]

4.528

24115

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

[_quadrature]

0.332

24116

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

[[_linear, ‘class A‘]]

0.359

24117

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

[[_linear, ‘class A‘]]

0.354

24118

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

[[_linear, ‘class A‘]]

0.333

24119

\begin{align*} y^{\prime }-7 y&=-x^{4}+2 \\ y \left (0\right ) &= a \\ \end{align*}
Series expansion around \(x=0\).

[[_linear, ‘class A‘]]

0.393

24120

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

[_separable]

3.573

24121

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

[_separable]

3.546

24122

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

[_separable]

5.898

24123

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

[_separable]

4.638

24124

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

[_separable]

4.520

24125

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

[_separable]

7.833

24126

\begin{align*} v^{\prime }&=-\frac {v}{p} \\ \end{align*}

[_separable]

4.404

24127

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

[_separable]

7.444

24128

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

[_separable]

7.452

24129

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

[_separable]

4.417

24130

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

[_separable]

3.189

24131

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

[_separable]

3.468

24132

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

[_separable]

43.882

24133

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

[_separable]

9.890

24134

\begin{align*} \theta ^{\prime }&=z \left (-z^{2}+1\right ) \sec \left (\theta \right )^{2} \\ \end{align*}

[_separable]

3.066

24135

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

[_separable]

4.439

24136

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

[_separable]

5.078

24137

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

[_separable]

4.660

24138

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

[_separable]

5.314

24139

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

[_quadrature]

0.702

24140

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

[_quadrature]

0.414

24141

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

[_quadrature]

1.100

24142

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

[_separable]

8.076

24143

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

[_separable]

5.530

24144

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

[_separable]

7.937

24145

\begin{align*} r^{\prime }&=-2 r t \\ r \left (0\right ) &= r_{0} \\ \end{align*}

[_separable]

4.070

24146

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

[_separable]

6.725

24147

\begin{align*} \left (2 a^{2}-r^{2}\right ) r^{\prime }&=r^{3} \sin \left (\theta \right ) \\ r \left (0\right ) &= a \\ \end{align*}

[_separable]

10.479

24148

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

[_separable]

3.121

24149

\begin{align*} v v^{\prime }&=g \\ v \left (x_{0} \right ) &= v_{0} \\ \end{align*}

[_quadrature]

1.932

24150

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

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

7.830

24151

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

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

10.246

24152

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

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

11.749

24153

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

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

1.996

24154

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

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

13.322

24155

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

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

133.682

24156

\begin{align*} 5 v-u +\left (3 v-7 u \right ) v^{\prime }&=0 \\ \end{align*}

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

42.914

24157

\begin{align*} x^{2}+2 y x -4 y^{2}-\left (x^{2}-8 y x -4 y^{2}\right ) y^{\prime }&=0 \\ \end{align*}

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

14.636

24158

\begin{align*} x^{2}+2 y x -4 y^{2}-\left (x^{2}-8 y x -4 y^{2}\right ) y^{\prime }&=0 \\ \end{align*}

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

12.029

24159

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

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

8.102

24160

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

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

12.677

24161

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

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

16.039

24162

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

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

84.643

24163

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

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

7.060

24164

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

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

7.509

24165

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

[[_homogeneous, ‘class A‘]]

14.469

24166

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

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

52.522

24167

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

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

15.401

24168

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

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

15.908

24169

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

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

43.273

24170

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

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

14.339

24171

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

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

22.428

24172

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

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

19.772

24173

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

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

10.369

24174

\begin{align*} y^{2}+7 y x +16 x^{2}+x^{2} y^{\prime }&=0 \\ y \left (1\right ) &= 1 \\ \end{align*}

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

10.666

24175

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

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

14.088

24176

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

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

37.036

24177

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

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

26.247

24178

\begin{align*} y \left (9 x -2 y\right )-x \left (6 x -y\right ) y^{\prime }&=0 \\ y \left (1\right ) &= 1 \\ \end{align*}

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

41.296

24179

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

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

27.158

24180

\begin{align*} 16 x +15 y+\left (3 x +y\right ) y^{\prime }&=0 \\ y \left (1\right ) &= -3 \\ \end{align*}

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

81.763

24181

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

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

14.610

24182

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

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

89.181

24183

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

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

12.332

24184

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

[_exact, _rational]

3.272

24185

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

[_exact, _rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], [_Abel, ‘2nd type‘, ‘class A‘]]

3.182

24186

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

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

5.912

24187

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

[_separable]

4.352

24188

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

[_exact, _rational]

4.155

24189

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

[_exact]

6.542

24190

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

[_separable]

8.807

24191

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

[[_1st_order, _with_linear_symmetries], _exact, _rational, _Bernoulli]

7.302

24192

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

[_exact, _rational]

4.559

24193

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

[_exact]

8.768

24194

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

[_exact]

32.704

24195

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

[‘y=_G(x,y’)‘]

95.806

24196

\begin{align*} \left (6+3 y x -4 y^{3}\right ) x +\left (x^{3}-6 y^{2} x^{2}-1\right ) y^{\prime }&=0 \\ \end{align*}

[_exact, _rational]

4.162

24197

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

[_exact]

4.484

24198

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

[_exact, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

3.095

24199

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

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

14.314

24200

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

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

12.566