2.2.232 Problems 23101 to 23200

Table 2.481: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

23101

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.453

23102

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

[_quadrature]

0.944

23103

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

[_quadrature]

0.826

23104

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

[[_Emden, _Fowler]]

1.065

23105

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

[[_2nd_order, _missing_y]]

1.009

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]

3.233

23107

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

[[_3rd_order, _missing_x]]

0.039

23108

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

[[_2nd_order, _quadrature]]

0.861

23109

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

[[_2nd_order, _with_linear_symmetries]]

0.330

23110

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

[[_2nd_order, _missing_x]]

0.299

23111

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

[[_2nd_order, _missing_x]]

0.397

23112

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

[_quadrature]

1.323

23113

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

[[_linear, ‘class A‘]]

1.940

23114

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

[[_3rd_order, _quadrature]]

0.040

23115

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

[_rational, _Bernoulli]

1.955

23116

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.513

23117

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

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

0.375

23118

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

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

6.977

23119

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

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

6.395

23120

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

[_linear]

1.547

23121

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

[_separable]

211.237

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‘]]

16.576

23123

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

[_quadrature]

1.575

23124

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

[_quadrature]

4.754

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‘]]

9.497

23126

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

[_linear]

2.674

23127

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

[_separable]

108.157

23128

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

[_separable]

3.039

23129

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

[_linear]

4.356

23130

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

[_separable]

6.333

23131

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

[[_linear, ‘class A‘]]

1.254

23132

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

[_separable]

2.414

23133

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

[[_Riccati, _special]]

93.716

23134

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

[_separable]

1.777

23135

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

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

8.276

23136

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

[_quadrature]

1.516

23137

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

[_separable]

2.110

23138

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

[_linear]

1.424

23139

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

[_quadrature]

3.704

23140

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

[_Bernoulli]

2.671

23141

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

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

77.502

23142

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

[_separable]

2.427

23143

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

[_separable]

2.615

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]

0.874

23145

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

[_separable]

0.296

23146

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

[_rational]

1.714

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]

10.415

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]

3.076

23149

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

[_quadrature]

10.875

23150

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

[_separable]

5.235

23151

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

[_separable]

1.964

23152

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

[_linear]

3.694

23153

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

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

7.411

23154

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

[_separable]

1.578

23155

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

[_linear]

1.658

23156

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

[‘y=_G(x,y’)‘]

117.594

23157

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

[_linear]

3.008

23158

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

[_linear]

2.821

23159

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

[_Bernoulli]

3.047

23160

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

[_linear]

1.945

23161

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

[_linear]

2.577

23162

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

[_separable]

2.207

23163

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

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

8.835

23164

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

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

7.324

23165

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

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

6.086

23166

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

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

2.301

23167

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

[_separable]

3.678

23168

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

[_Bernoulli]

2.451

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]

2.380

23170

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

[_linear]

9.275

23171

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

[_separable]

3.324

23172

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

[_separable]

2.950

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]

4.925

23174

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

[_linear]

3.510

23175

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

[_linear]

1.787

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]

2.899

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]

4.050

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‘]]

5.414

23179

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

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

15.214

23180

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

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

5.021

23181

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

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

9.603

23182

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

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

8.957

23183

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

[_quadrature]

1.557

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)]‘]]

2.540

23185

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

[_separable]

3.456

23186

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

[_exact]

5.175

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‘]]

11.578

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]

90.727

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]

3.619

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‘]]

4.655

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‘]]

23.953

23192

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

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

9.352

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‘]]

4.108

23194

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

[_separable]

2.772

23195

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

[_linear]

2.394

23196

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

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

12.947

23197

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

[_linear]

2.743

23198

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

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

12.655

23199

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

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

96.533

23200

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

[_rational, _Bernoulli]

2.469