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]

1.855

1102

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

[[_linear, ‘class A‘]]

1.377

1103

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

[_linear]

1.862

1104

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

[_linear]

3.503

1105

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

[_linear]

3.198

1106

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

[[_linear, ‘class A‘]]

1.412

1107

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

[_linear]

2.387

1108

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

[[_linear, ‘class A‘]]

2.142

1109

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

[[_linear, ‘class A‘]]

1.836

1110

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

[[_linear, ‘class A‘]]

2.038

1111

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

[[_linear, ‘class A‘]]

2.784

1112

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

[_linear]

2.367

1113

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

[_linear]

2.374

1114

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

[[_linear, ‘class A‘]]

1.449

1115

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

[_linear]

2.036

1116

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

[_linear]

2.116

1117

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

[_linear]

1.751

1118

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

[[_linear, ‘class A‘]]

1.925

1119

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

[[_linear, ‘class A‘]]

1.561

1120

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

[[_linear, ‘class A‘]]

1.835

1121

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

[_linear]

3.285

1122

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

[_linear]

2.193

1123

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

[_linear]

26.871

1124

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

[[_linear, ‘class A‘]]

1.954

1125

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

[[_linear, ‘class A‘]]

1.177

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‘]]

2.301

1127

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

[[_linear, ‘class A‘]]

1.927

1128

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

[[_linear, ‘class A‘]]

2.365

1129

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

[_separable]

3.583

1130

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

[_separable]

2.091

1131

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

[_separable]

2.862

1132

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

[_separable]

3.388

1133

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

[_separable]

2.653

1134

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

[_separable]

4.304

1135

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

[‘y=_G(x,y’)‘]

2.115

1136

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

[_separable]

1.663

1137

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

[_separable]

2.993

1138

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

[_separable]

3.290

1139

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

[_separable]

2.232

1140

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

[_separable]

2.944

1141

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

[_separable]

2.267

1142

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

[_separable]

3.286

1143

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

[_separable]

4.019

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]

2.143

1145

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

[_separable]

3.705

1146

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

[_separable]

3.567

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]

26.257

1148

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

[_separable]

5.185

1149

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

[_separable]

2.286

1150

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

[_separable]

2.040

1151

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

[_separable]

3.149

1152

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

[_separable]

3.454

1153

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

[_separable]

3.736

1154

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

[_separable]

3.496

1155

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

[_separable]

3.610

1156

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

[_separable]

4.695

1157

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

[_quadrature]

2.205

1158

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

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

4.335

1159

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

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

9.232

1160

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

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

13.423

1161

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

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

14.745

1162

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

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

10.463

1163

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

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

4.144

1164

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

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

9.697

1165

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

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

66.503

1166

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

[_linear]

3.476

1167

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

[_separable]

2.645

1168

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

[_linear]

2.258

1169

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

[_linear]

2.658

1170

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

[_linear]

2.508

1171

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

[_linear]

2.337

1172

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

[_separable]

2.018

1173

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

[_separable]

3.432

1174

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

[_separable]

7.253

1175

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

[_separable]

4.256

1176

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

[_quadrature]

4.622

1177

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

[_separable]

2.151

1178

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

[_separable]

3.551

1179

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

[_Bernoulli]

2.311

1180

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

[_Bernoulli]

2.301

1181

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

[_Riccati]

3.091

1182

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

[_quadrature]

4.291

1183

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

[_quadrature]

1.453

1184

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

[_quadrature]

1.395

1185

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

[_quadrature]

1.371

1186

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

[_quadrature]

4.199

1187

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

[_quadrature]

1.388

1188

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

[_quadrature]

0.687

1189

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

[_quadrature]

3.094

1190

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

[_quadrature]

6.053

1191

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

[_quadrature]

0.887

1192

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

[_quadrature]

0.666

1193

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

[_separable]

5.988

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‘]]

19.358

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]

2.107

1196

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

[_separable]

0.161

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‘]]

19.880

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‘]]

12.389

1199

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

[_exact]

9.782

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’)‘]

8.214