2.2.12 Problems 1101 to 1200

Table 2.41: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

1101

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

[_linear]

2.274

1102

\begin{align*} -2 y+y^{\prime }&=3 \,{\mathrm e}^{t} \\ \end{align*}

[[_linear, ‘class A‘]]

1.496

1103

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

[_linear]

2.307

1104

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

[_linear]

4.329

1105

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

[_linear]

3.812

1106

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

[[_linear, ‘class A‘]]

1.292

1107

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

[_linear]

2.636

1108

\begin{align*} y+y^{\prime }&=5 \sin \left (2 t \right ) \\ \end{align*}

[[_linear, ‘class A‘]]

2.269

1109

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

[[_linear, ‘class A‘]]

2.247

1110

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

[[_linear, ‘class A‘]]

2.160

1111

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

[[_linear, ‘class A‘]]

3.088

1112

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

[_linear]

3.773

1113

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

[_linear]

2.576

1114

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

[[_linear, ‘class A‘]]

1.524

1115

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

[_linear]

2.563

1116

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

[_linear]

2.490

1117

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

[_linear]

1.740

1118

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

[[_linear, ‘class A‘]]

2.392

1119

\begin{align*} -y+2 y^{\prime }&={\mathrm e}^{\frac {t}{3}} \\ y \left (0\right ) &= a \\ \end{align*}

[[_linear, ‘class A‘]]

1.500

1120

\begin{align*} -2 y+3 y^{\prime }&={\mathrm e}^{-\frac {\pi t}{2}} \\ y \left (0\right ) &= a \\ \end{align*}

[[_linear, ‘class A‘]]

1.764

1121

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

[_linear]

3.645

1122

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

[_linear]

2.660

1123

\begin{align*} \cos \left (t \right ) y+\sin \left (t \right ) y^{\prime }&={\mathrm e}^{t} \\ y \left (1\right ) &= a \\ \end{align*}

[_linear]

29.522

1124

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

[[_linear, ‘class A‘]]

2.039

1125

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

[[_linear, ‘class A‘]]

1.146

1126

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

[[_linear, ‘class A‘]]

2.859

1127

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

[[_linear, ‘class A‘]]

1.991

1128

\begin{align*} -\frac {3 y}{2}+y^{\prime }&=2 \,{\mathrm e}^{t}+3 t \\ \end{align*}

[[_linear, ‘class A‘]]

2.424

1129

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

[_separable]

5.070

1130

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

[_separable]

2.087

1131

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

[_separable]

3.473

1132

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

[_separable]

3.143

1133

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

[_separable]

3.292

1134

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

[_separable]

4.921

1135

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

[‘y=_G(x,y’)‘]

1.881

1136

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

[_separable]

1.589

1137

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

[_separable]

3.685

1138

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

[_separable]

3.247

1139

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

[_separable]

2.321

1140

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

[_separable]

2.837

1141

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

[_separable]

2.165

1142

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

[_separable]

4.348

1143

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

[_separable]

4.519

1144

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

[_separable]

2.083

1145

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

[_separable]

4.264

1146

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

[_separable]

4.487

1147

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

[_separable]

27.246

1148

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

[_separable]

5.916

1149

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

[_separable]

2.242

1150

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

[_separable]

1.982

1151

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

[_separable]

3.817

1152

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

[_separable]

3.404

1153

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

[_separable]

4.581

1154

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

[_separable]

3.848

1155

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

[_separable]

4.300

1156

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

[_separable]

5.194

1157

\begin{align*} y^{\prime }&=\frac {b +a y}{d +c y} \\ \end{align*}

[_quadrature]

1.951

1158

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

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

4.217

1159

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

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

8.362

1160

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

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

14.795

1161

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

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

17.329

1162

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

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

10.436

1163

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

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

4.106

1164

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

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

8.683

1165

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

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

61.401

1166

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

[_linear]

3.240

1167

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

[_separable]

2.766

1168

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

[_linear]

2.395

1169

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

[_linear]

2.774

1170

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

[_linear]

2.609

1171

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

[_linear]

2.355

1172

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

[_separable]

1.957

1173

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

[_separable]

3.503

1174

\begin{align*} y^{\prime }&=-\frac {4 t}{y} \\ \end{align*}

[_separable]

6.415

1175

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

[_separable]

5.247

1176

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

[_quadrature]

5.864

1177

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

[_separable]

2.154

1178

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

[_separable]

3.540

1179

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

[_Bernoulli]

2.470

1180

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

[_Bernoulli]

2.312

1181

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

[_Riccati]

2.983

1182

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

[_quadrature]

3.996

1183

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

[_quadrature]

1.638

1184

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

[_quadrature]

1.703

1185

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

[_quadrature]

1.668

1186

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

[_quadrature]

3.898

1187

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

[_quadrature]

1.262

1188

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

[_quadrature]

0.782

1189

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

[_quadrature]

3.172

1190

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

[_quadrature]

6.856

1191

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

[_quadrature]

1.030

1192

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

[_quadrature]

0.794

1193

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

[_separable]

5.824

1194

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

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

18.016

1195

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

[_exact, _rational]

2.131

1196

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

[_separable]

0.235

1197

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

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

15.465

1198

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

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

10.022

1199

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

[_exact]

8.863

1200

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

[‘x=_G(y,y’)‘]

9.454