2.2.262 Problems 26101 to 26200

Table 2.541: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

26101

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

[[_2nd_order, _missing_x]]

0.359

26102

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

[[_2nd_order, _missing_x]]

0.435

26103

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

[[_3rd_order, _missing_x]]

0.066

26104

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

[[_3rd_order, _missing_x]]

0.227

26105

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

[[_high_order, _missing_x]]

0.092

26106

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

[[_high_order, _missing_x]]

0.075

26107

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

[[_high_order, _quadrature]]

0.084

26108

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

[[_2nd_order, _missing_x]]

2.456

26109

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

[[_2nd_order, _with_linear_symmetries]]

0.547

26110

\begin{align*} y^{\prime \prime }-y&=4 x \,{\mathrm e}^{x} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.537

26111

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

[[_2nd_order, _with_linear_symmetries]]

0.563

26112

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.512

26113

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.725

26114

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.680

26115

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.719

26116

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

[[_3rd_order, _missing_y]]

0.552

26117

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

[[_3rd_order, _missing_y]]

0.693

26118

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

[[_3rd_order, _missing_y]]

0.509

26119

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

[[_3rd_order, _missing_y]]

0.463

26120

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.091

26121

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.479

26122

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

[[_2nd_order, _missing_y]]

1.286

26123

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

system_of_ODEs

0.483

26124

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

system_of_ODEs

0.411

26125

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

system_of_ODEs

0.131

26126

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

system_of_ODEs

0.686

26127

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

system_of_ODEs

0.127

26128

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

[_quadrature]

1.029

26129

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

[_quadrature]

0.641

26130

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

[_quadrature]

1.029

26131

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

system_of_ODEs

0.512

26132

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

system_of_ODEs

0.464

26133

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

system_of_ODEs

0.543

26134

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

system_of_ODEs

0.580

26135

\begin{align*} x^{\prime }&=-2 x+y+x \,y^{2} \\ y^{\prime }&=-7 x-2 y-7 y \,x^{2} \\ \end{align*}

system_of_ODEs

0.129

26136

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

system_of_ODEs

0.052

26137

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

system_of_ODEs

0.125

26138

\begin{align*} x^{\prime }&=-2 x+\sin \left (y\right ) \\ y^{\prime }&=5 \,{\mathrm e}^{x}-5-y \\ \end{align*}

system_of_ODEs

0.046

26139

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

system_of_ODEs

0.121

26140

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

[[_2nd_order, _with_linear_symmetries]]

2.360

26141

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

[_quadrature]

2.898

26142

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

[[_2nd_order, _missing_x]]

4.948

26143

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

[[_2nd_order, _missing_x]]

2.710

26144

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

[[_2nd_order, _missing_x]]

4.776

26145

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

[_linear]

2.619

26146

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

[[_linear, ‘class A‘]]

2.015

26147

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

[_separable]

6.440

26148

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

[_separable]

3.546

26149

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

[_separable]

13.599

26150

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

[[_linear, ‘class A‘]]

2.374

26151

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

[_linear]

2.756

26152

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

[_linear]

2.575

26153

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

[_separable]

9.092

26154

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

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

42.775

26155

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

[_separable]

3.096

26156

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

[_quadrature]

1.021

26157

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

[_quadrature]

5.245

26158

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

[_quadrature]

0.767

26159

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

[_quadrature]

0.311

26160

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

[_separable]

3.727

26161

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

[_quadrature]

2.624

26162

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

[_separable]

2.991

26163

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

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

13.631

26164

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

[_linear]

3.519

26165

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

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

26.509

26166

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

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

13.017

26167

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

[_separable]

5.948

26168

\begin{align*} y^{2} y^{\prime } x +y^{3}&=\frac {1}{x} \\ \end{align*}

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

6.305

26169

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

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

14.157

26170

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

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

2.305

26171

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

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

12.921

26172

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

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

4.826

26173

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

[NONE]

9.430

26174

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

[[_Riccati, _special]]

8.311

26175

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

[_separable]

9.940

26176

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

[_quadrature]

4.408

26177

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

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

4.138

26178

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

22.549

26179

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

[_quadrature]

5.496

26180

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

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

20.332

26181

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

[‘y=_G(x,y’)‘]

2.362

26182

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

[_quadrature]

1.103

26183

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

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

3.661

26184

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

[_quadrature]

0.371

26185

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

[[_linear, ‘class A‘]]

1.612

26186

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

[[_linear, ‘class A‘]]

1.369

26187

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

[[_linear, ‘class A‘]]

1.702

26188

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

[_quadrature]

0.542

26189

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

[_separable]

3.227

26190

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

[[_Riccati, _special]]

8.118

26191

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

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

2.536

26192

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

[[_linear, ‘class A‘]]

2.517

26193

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

[[_linear, ‘class A‘]]

1.948

26194

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

[_separable]

3.326

26195

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

[_quadrature]

0.959

26196

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

[_quadrature]

0.355

26197

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

[[_linear, ‘class A‘]]

1.448

26198

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

[_separable]

3.678

26199

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

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

22.659

26200

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

[[_linear, ‘class A‘]]

2.560