2.2.117 Problems 11601 to 11700

Table 2.247: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

11601

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

[_exact, _rational]

4.151

11602

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

[_separable]

1.476

11603

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

[_separable]

4.222

11604

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

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

3.190

11605

\begin{align*} \left (3 x^{3}+6 x^{2} y-3 x y^{2}+20 y^{3}\right ) y^{\prime }+4 x^{3}+9 x^{2} y+6 x y^{2}-y^{3}&=0 \\ \end{align*}

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

51.326

11606

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

[_rational]

11.591

11607

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

[_rational]

10.148

11608

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

[_Bernoulli]

30.217

11609

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

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

17.144

11610

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

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

0.586

11611

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

[_rational]

4.546

11612

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

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

0.742

11613

\begin{align*} \left (7 x y^{3}+y-5 x \right ) y^{\prime }+y^{4}-5 y&=0 \\ \end{align*}

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

4.293

11614

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

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

4.393

11615

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

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

6.028

11616

\begin{align*} \left (10 x^{2} y^{3}-3 y^{2}-2\right ) y^{\prime }+5 y^{4} x +x&=0 \\ \end{align*}

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

4.062

11617

\begin{align*} \left (a y^{3} x +c \right ) x y^{\prime }+\left (b \,x^{3} y+c \right ) y&=0 \\ \end{align*}

[_rational]

4.940

11618

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

[_rational]

4.069

11619

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

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

192.013

11620

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

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

28.892

11621

\begin{align*} \left (x +2 y+2 x^{2} y^{3}+y^{4} x \right ) y^{\prime }+y^{5}+y&=0 \\ \end{align*}

[_rational]

8.665

11622

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

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

14.147

11623

\begin{align*} y^{m} x^{n} \left (a x y^{\prime }+b y\right )+\alpha x y^{\prime }+\beta y&=0 \\ \end{align*}

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

17.464

11624

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

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

3.187

11625

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

[[_homogeneous, ‘class G‘]]

22.674

11626

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

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

101.833

11627

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

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

5.578

11628

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

[_separable]

8.981

11629

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

[_exact]

25.189

11630

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

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

27.094

11631

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

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

111.801

11632

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

[[_1st_order, _with_linear_symmetries]]

8.197

11633

\begin{align*} \left (\frac {\operatorname {e1} \left (a +x \right )}{\left (\left (a +x \right )^{2}+y^{2}\right )^{{3}/{2}}}+\frac {\operatorname {e2} \left (x -a \right )}{\left (\left (x -a \right )^{2}+y^{2}\right )^{{3}/{2}}}\right ) y^{\prime }-y \left (\frac {\operatorname {e1}}{\left (\left (a +x \right )^{2}+y^{2}\right )^{{3}/{2}}}+\frac {\operatorname {e2}}{\left (\left (x -a \right )^{2}+y^{2}\right )^{{3}/{2}}}\right )&=0 \\ \end{align*}

unknown

21.044

11634

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

[_exact]

3.947

11635

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

[[_homogeneous, ‘class G‘]]

14.876

11636

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

[[_1st_order, _with_exponential_symmetries]]

4.096

11637

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

[[_1st_order, _with_linear_symmetries]]

7.037

11638

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

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

6.517

11639

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

[‘y=_G(x,y’)‘]

6.565

11640

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

[_separable]

6.812

11641

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

[_exact]

11.605

11642

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

[[_homogeneous, ‘class A‘]]

9.177

11643

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

[‘y=_G(x,y’)‘]

44.971

11644

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

[‘y=_G(x,y’)‘]

63.739

11645

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

unknown

42.333

11646

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

[_separable]

17.915

11647

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

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

18.393

11648

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

[_exact]

24.635

11649

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

[_exact]

25.748

11650

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

[‘y=_G(x,y’)‘]

65.995

11651

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

[_separable]

4.471

11652

\begin{align*} 3 \sin \left (x \right ) \sin \left (y\right ) y^{\prime }+5 \cos \left (x \right )^{4} y&=0 \\ \end{align*}

[_separable]

8.321

11653

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

[_quadrature]

9.771

11654

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

[_exact]

7.686

11655

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

[[_homogeneous, ‘class G‘]]

10.379

11656

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

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

9.064

11657

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

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

16.787

11658

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

[[_1st_order, _with_linear_symmetries]]

54.177

11659

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

[_exact]

4.800

11660

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

[[_homogeneous, ‘class G‘]]

7.569

11661

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

[_quadrature]

2.609

11662

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

[_quadrature]

9.413

11663

\begin{align*} {y^{\prime }}^{2}-4 y^{3}+a y+b&=0 \\ \end{align*}

[_quadrature]

9.379

11664

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

[_quadrature]

6.998

11665

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

[_quadrature]

58.110

11666

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

[_quadrature]

0.497

11667

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

[_quadrature]

3.743

11668

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.454

11669

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.519

11670

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.399

11671

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

0.750

11672

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

0.691

11673

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

[_quadrature]

17.900

11674

\begin{align*} {y^{\prime }}^{2}+a x y^{\prime }+b y+c \,x^{2}&=0 \\ \end{align*}

[[_homogeneous, ‘class G‘]]

9.658

11675

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.436

11676

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

[[_homogeneous, ‘class G‘]]

5.723

11677

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

[[_1st_order, _with_linear_symmetries]]

0.522

11678

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

[[_1st_order, _with_linear_symmetries]]

3.074

11679

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

[_dAlembert]

21.630

11680

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

[_quadrature]

3.000

11681

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

[_dAlembert]

77.870

11682

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

[_quadrature]

1.484

11683

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

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

3.033

11684

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

[_separable]

3.113

11685

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

[_separable]

0.200

11686

\begin{align*} {y^{\prime }}^{2}-2 x^{3} y^{2} y^{\prime }-4 x^{2} y^{3}&=0 \\ \end{align*}

[[_1st_order, _with_linear_symmetries]]

21.263

11687

\begin{align*} {y^{\prime }}^{2}-3 x y^{{2}/{3}} y^{\prime }+9 y^{{5}/{3}}&=0 \\ \end{align*}

[[_1st_order, _with_linear_symmetries]]

160.696

11688

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.462

11689

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

[[_homogeneous, ‘class G‘]]

1.648

11690

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

0.784

11691

\begin{align*} 3 {y^{\prime }}^{2}+4 y^{\prime } x +x^{2}-y&=0 \\ \end{align*}

[[_homogeneous, ‘class G‘]]

1.697

11692

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

[_quadrature]

3.625

11693

\begin{align*} a {y^{\prime }}^{2}+b \,x^{2} y^{\prime }+c x y&=0 \\ \end{align*}

[[_homogeneous, ‘class G‘]]

12.609

11694

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

[_dAlembert]

43.990

11695

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

[_dAlembert]

20.431

11696

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

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

5.881

11697

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

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

4.737

11698

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

[_rational, _dAlembert]

3.873

11699

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

[_rational, _dAlembert]

3.808

11700

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

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

5.354