2.2.173 Problems 17201 to 17300

Table 2.363: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

17201

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

[_separable]

0.324

17202

\begin{align*} t -\sin \left (t \right ) y+\left (y^{6}+\cos \left (t \right )\right ) y^{\prime }&=0 \\ \end{align*}

[_exact]

5.829

17203

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

[[_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

10.910

17204

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

[[_homogeneous, ‘class G‘], _exact]

12.797

17205

\begin{align*} {\mathrm e}^{t y}+\frac {t \,{\mathrm e}^{t y} y^{\prime }}{y}&=0 \\ \end{align*}

[_separable]

8.635

17206

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

[_quadrature]

0.821

17207

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

[_quadrature]

1.262

17208

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

[_separable]

0.188

17209

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

[_separable]

8.736

17210

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

[_exact, _rational]

3.871

17211

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

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

29.840

17212

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

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

22.175

17213

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

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

5.312

17214

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

[_separable]

31.626

17215

\begin{align*} 3 t^{2}+3 y^{2}+6 t y y^{\prime }&=0 \\ \end{align*}

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

23.368

17216

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

[_exact, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

3.481

17217

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

[_exact, _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

8.314

17218

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

[_separable]

0.636

17219

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

[_exact]

5.537

17220

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

[‘y=_G(x,y’)‘]

10.402

17221

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

[_exact]

5.348

17222

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

[[_1st_order, _with_linear_symmetries], _exact]

10.295

17223

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

[_exact, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘], [_Abel, ‘2nd type‘, ‘class B‘]]

11.534

17224

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

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

28.750

17225

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

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

21.901

17226

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

[_separable]

0.398

17227

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

[_linear]

4.623

17228

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

[_linear]

2.943

17229

\begin{align*} 1+5 t -y-\left (t +2 y\right ) y^{\prime }&=0 \\ y \left (0\right ) &= 0 \\ \end{align*}

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

25.439

17230

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

[_exact]

26.789

17231

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

[_exact]

29.916

17232

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

[_exact, [_Abel, ‘2nd type‘, ‘class B‘]]

0.665

17233

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

[_exact]

32.657

17234

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

[_exact, _rational, _Bernoulli]

71.054

17235

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

[_exact]

5.637

17236

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

[_exact]

4.189

17237

\begin{align*} -4 x^{3}+6 y \sin \left (6 y x \right )+\left (4 y^{3}+6 x \sin \left (6 y x \right )\right ) y^{\prime }&=0 \\ y \left (0\right ) &= 0 \\ \end{align*}

[_exact]

5.997

17238

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

[_separable]

6.842

17239

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

[_separable]

6.024

17240

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

[[_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

3.197

17241

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

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

10.030

17242

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

[_rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], [_Abel, ‘2nd type‘, ‘class B‘]]

6.398

17243

\begin{align*} 5 t y+4 y^{2}+1+\left (t^{2}+2 t y\right ) y^{\prime }&=0 \\ \end{align*}

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

7.322

17244

\begin{align*} 5 t y^{2}+y+\left (2 t^{3}-t \right ) y^{\prime }&=0 \\ \end{align*}

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

43.704

17245

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

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

4.642

17246

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

[_exact]

5.230

17247

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

[_exact]

5.238

17248

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

[_quadrature]

0.195

17249

\begin{align*} \frac {9 t}{5}+2 y+\left (2 t +2 y\right ) y^{\prime }&=0 \\ \end{align*}

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

83.889

17250

\begin{align*} 2 t +\frac {19 y}{10}+\left (\frac {19 t}{10}+2 y\right ) y^{\prime }&=0 \\ \end{align*}

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

63.632

17251

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

[_rational, _Bernoulli]

4.565

17252

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

[_Bernoulli]

4.983

17253

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

[_Bernoulli]

34.338

17254

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

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

34.400

17255

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

[_Bernoulli]

6.112

17256

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

[_Bernoulli]

7.329

17257

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

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

21.095

17258

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

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

8.555

17259

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

[_separable]

6.377

17260

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

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

55.228

17261

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

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

34.947

17262

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

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

23.325

17263

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

[_separable]

12.098

17264

\begin{align*} \frac {2}{t}+\frac {1}{y}+\frac {t y^{\prime }}{y^{2}}&=0 \\ \end{align*}

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

26.720

17265

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

[_separable]

23.746

17266

\begin{align*} \sqrt {t^{2}+1}+y y^{\prime }&=0 \\ \end{align*}

[_separable]

5.251

17267

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

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

112.920

17268

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

[_linear]

10.139

17269

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

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

31.120

17270

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

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

49.681

17271

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

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

22.247

17272

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

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

32.908

17273

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

[_linear]

5.530

17274

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

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

41.347

17275

\begin{align*} 2 t^{2}-7 t y+5 y^{2}+t y y^{\prime }&=0 \\ \end{align*}

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

100.984

17276

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

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

34.132

17277

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

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

62.357

17278

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

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

48.323

17279

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

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

1.335

17280

\begin{align*} t y y^{\prime }-t^{2} {\mathrm e}^{-\frac {y}{t}}-y^{2}&=0 \\ \end{align*}

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

12.760

17281

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

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

29.713

17282

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

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

51.391

17283

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

[_Bernoulli]

6.120

17284

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

[_Bernoulli]

4.968

17285

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

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

32.631

17286

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

[_linear]

6.010

17287

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

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

27.401

17288

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

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

36.670

17289

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

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

38.401

17290

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

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

50.337

17291

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

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

33.944

17292

\begin{align*} 1+t -2 y+\left (4 t -3 y-6\right ) y^{\prime }&=0 \\ \end{align*}

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

65.328

17293

\begin{align*} 5 t +2 y+1+\left (2 t +y+1\right ) y^{\prime }&=0 \\ \end{align*}

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

27.867

17294

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

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

16.911

17295

\begin{align*} 2 t +3 y+1+\left (4 t +6 y+1\right ) y^{\prime }&=0 \\ \end{align*}

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

15.624

17296

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

[_separable]

8.628

17297

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

[_Bernoulli]

11.638

17298

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

1.041

17299

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

[[_1st_order, _with_linear_symmetries], _rational, _Clairaut]

2.020

17300

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.645