2.2.232 Problems 23101 to 23200

Table 2.477: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

23101

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.405

23102

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

[_quadrature]

0.474

23103

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

[_quadrature]

0.360

23104

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

[[_Emden, _Fowler]]

0.750

23105

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

[[_2nd_order, _missing_y]]

0.903

23106

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

[NONE]

0.363

23107

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

[[_3rd_order, _missing_x]]

0.042

23108

\begin{align*} m s^{\prime \prime }&=\frac {g \,t^{2}}{2} \\ \end{align*}

[[_2nd_order, _quadrature]]

0.865

23109

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

[[_2nd_order, _with_linear_symmetries]]

0.260

23110

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

[[_2nd_order, _missing_x]]

0.216

23111

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

[[_2nd_order, _missing_x]]

0.303

23112

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

[_quadrature]

0.828

23113

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

[[_linear, ‘class A‘]]

1.438

23114

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

[[_3rd_order, _quadrature]]

0.027

23115

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

[_rational, _Bernoulli]

1.419

23116

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.402

23117

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

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

0.289

23118

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

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

4.281

23119

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

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

3.645

23120

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

[_linear]

1.149

23121

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

[_separable]

2.027

23122

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

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

4.686

23123

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

[_quadrature]

1.189

23124

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

[_quadrature]

2.373

23125

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

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

3.946

23126

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

[_linear]

2.066

23127

\begin{align*} x^{\prime }&=\frac {a x^{{5}/{6}}}{\left (-B t +b \right )^{{3}/{2}}} \\ \end{align*}

[_separable]

31.041

23128

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

[_separable]

2.053

23129

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

[_linear]

2.794

23130

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

[_separable]

2.692

23131

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

[[_linear, ‘class A‘]]

0.792

23132

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

[_separable]

1.647

23133

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

[[_Riccati, _special]]

10.030

23134

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

[_separable]

0.993

23135

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

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

4.216

23136

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

[_quadrature]

0.872

23137

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

[_separable]

1.201

23138

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

[_linear]

1.046

23139

\begin{align*} p^{\prime }&=a p-b p^{2} \\ \end{align*}

[_quadrature]

2.862

23140

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

[_Bernoulli]

2.138

23141

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

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

2.829

23142

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

[_separable]

1.713

23143

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

[_separable]

1.635

23144

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

[_quadrature]

0.503

23145

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

[_separable]

0.100

23146

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

[_rational]

2.189

23147

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

[_separable]

8.767

23148

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

[_separable]

2.537

23149

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

[_quadrature]

8.831

23150

\begin{align*} y^{\prime }&=\frac {\left (a -x \right ) y}{d \,x^{2}+c x +b} \\ \end{align*}

[_separable]

4.010

23151

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

[_separable]

1.222

23152

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

[_linear]

2.300

23153

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

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

4.343

23154

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

[_separable]

0.968

23155

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

[_linear]

1.017

23156

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

[‘y=_G(x,y’)‘]

10.604

23157

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

[_linear]

2.281

23158

\begin{align*} y^{\prime } x +6 y&=1+3 x \\ \end{align*}

[_linear]

1.974

23159

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

[_Bernoulli]

2.350

23160

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

[_linear]

1.568

23161

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

[_linear]

1.732

23162

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

[_separable]

1.649

23163

\begin{align*} y^{\prime } y-7 y&=6 x \\ \end{align*}

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

6.419

23164

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

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

4.903

23165

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

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

2.707

23166

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

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

1.550

23167

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

[_separable]

2.321

23168

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

[_Bernoulli]

2.119

23169

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

[_linear]

1.700

23170

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

[_linear]

3.725

23171

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

[_separable]

1.949

23172

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

[_separable]

1.884

23173

\begin{align*} \left (1-x \right ) y^{\prime }+y x&=x \left (x -1\right )^{2} \\ y \left (5\right ) &= 24 \\ \end{align*}

[_linear]

3.924

23174

\begin{align*} \left (x -1\right ) y^{\prime }-3 y&=\left (x -1\right )^{5} \\ y \left (-1\right ) &= 16 \\ \end{align*}

[_linear]

2.400

23175

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

[_linear]

1.186

23176

\begin{align*} y^{\prime }&=\left (1-y\right ) \left (\frac {1}{t}-\frac {1}{10}+\frac {y}{10}\right ) \\ \end{align*}

[[_1st_order, _with_linear_symmetries], _rational, _Riccati]

1.976

23177

\begin{align*} y^{\prime }&=\left (1-y\right ) \left (-\frac {1}{t \ln \left (t \right )}-\frac {3}{100}+\frac {3 y}{100}\right ) \\ \end{align*}

[_Riccati]

2.988

23178

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

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

1.074

23179

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

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

3.691

23180

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

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

1.034

23181

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

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

4.667

23182

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

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

4.112

23183

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

[_quadrature]

0.928

23184

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

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

1.810

23185

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

[_separable]

2.264

23186

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

[_exact]

3.505

23187

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

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

4.488

23188

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

[NONE]

53.613

23189

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

[_exact]

2.478

23190

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

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

1.017

23191

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

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

5.148

23192

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

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

4.485

23193

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

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

1.198

23194

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

[_separable]

1.583

23195

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

[_linear]

1.486

23196

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

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

5.679

23197

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

[_linear]

1.989

23198

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

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

4.704

23199

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

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

4.387

23200

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

[_rational, _Bernoulli]

1.872