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]]

0.315

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]]

0.375

26103

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

[[_3rd_order, _missing_x]]

0.034

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]]

0.125

26105

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

[[_high_order, _missing_x]]

0.053

26106

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

[[_high_order, _missing_x]]

0.059

26107

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

[[_high_order, _quadrature]]

0.044

26108

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

[[_2nd_order, _missing_x]]

1.219

26109

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

[[_2nd_order, _with_linear_symmetries]]

0.434

26110

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.484

26111

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

[[_2nd_order, _with_linear_symmetries]]

0.467

26112

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.469

26113

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.563

26114

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.511

26115

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.518

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]]

0.405

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]]

0.549

26118

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

[[_3rd_order, _missing_y]]

0.398

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]]

0.378

26120

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.737

26121

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.494

26122

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

[[_2nd_order, _missing_y]]

1.285

26123

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

system_of_ODEs

0.339

26124

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

system_of_ODEs

0.304

26125

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

system_of_ODEs

0.035

26126

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

system_of_ODEs

0.511

26127

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

system_of_ODEs

0.031

26128

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

[_quadrature]

0.835

26129

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

[_quadrature]

1.750

26130

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

[_quadrature]

2.088

26131

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

system_of_ODEs

0.369

26132

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

system_of_ODEs

0.336

26133

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

system_of_ODEs

0.388

26134

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

system_of_ODEs

0.425

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

0.041

26136

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

system_of_ODEs

0.046

26137

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

system_of_ODEs

0.023

26138

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

system_of_ODEs

0.036

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

0.036

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]

0.916

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]]

2.185

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]]

1.329

26145

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

[_linear]

1.894

26146

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

[[_linear, ‘class A‘]]

1.361

26147

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

[_separable]

3.607

26148

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

[_separable]

2.014

26149

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

[_separable]

5.801

26150

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

[[_linear, ‘class A‘]]

1.708

26151

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

[_linear]

2.137

26152

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

[_linear]

2.023

26153

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

[_separable]

4.868

26154

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

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

19.937

26155

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

[_separable]

2.004

26156

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

[_quadrature]

0.446

26157

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

[_quadrature]

1.989

26158

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

[_quadrature]

0.730

26159

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

[_quadrature]

0.260

26160

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

[_separable]

2.649

26161

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

[_quadrature]

1.635

26162

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

[_separable]

1.730

26163

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

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

7.979

26164

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

[_linear]

2.164

26165

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

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

11.803

26166

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

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

8.505

26167

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

[_separable]

2.941

26168

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

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

3.584

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]

8.536

26170

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

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

1.228

26171

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

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

9.816

26172

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

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

3.750

26173

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

[NONE]

4.714

26174

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

[[_Riccati, _special]]

6.471

26175

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

[_separable]

5.317

26176

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

[_quadrature]

1.974

26177

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

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

1.842

26178

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

9.981

26179

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

[_quadrature]

3.415

26180

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

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

9.964

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]

0.961

26183

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

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

1.839

26184

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

[_quadrature]

0.344

26185

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

[[_linear, ‘class A‘]]

1.043

26186

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

[[_linear, ‘class A‘]]

0.984

26187

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

[[_linear, ‘class A‘]]

1.120

26188

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

[_quadrature]

0.477

26189

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

[_separable]

2.033

26190

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

[[_Riccati, _special]]

4.671

26191

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

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

1.578

26192

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

[[_linear, ‘class A‘]]

1.719

26193

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

[[_linear, ‘class A‘]]

1.318

26194

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

[_separable]

2.164

26195

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

[_quadrature]

0.702

26196

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

[_quadrature]

0.342

26197

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

[[_linear, ‘class A‘]]

1.060

26198

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

[_separable]

2.187

26199

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

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

24.191

26200

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

[[_linear, ‘class A‘]]

1.757