2.2.269 Problems 26801 to 26900

Table 2.555: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

26801

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

[[_3rd_order, _missing_x]]

0.059

26802

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

[[_high_order, _missing_x]]

0.056

26803

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

[[_high_order, _missing_x]]

0.064

26804

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

[[_high_order, _missing_x]]

0.065

26805

\begin{align*} 2 y^{\prime \prime \prime \prime }+11 y^{\prime \prime \prime }+21 y^{\prime \prime }+16 y^{\prime }+4 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.056

26806

\begin{align*} y^{\left (6\right )}+y^{\left (5\right )}+y^{\prime \prime \prime \prime }+y^{\prime \prime }+y^{\prime }+4 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.095

26807

\begin{align*} 2 y^{\prime \prime \prime \prime }+9 y^{\prime \prime \prime }+32 y^{\prime \prime }+54 y^{\prime }+20 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.054

26808

\begin{align*} 6 y^{\prime \prime \prime \prime }+29 y^{\prime \prime \prime }+45 y^{\prime \prime }+24 y^{\prime }+20 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.081

26809

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

[[_high_order, _missing_x]]

0.075

26810

\begin{align*} y^{\left (6\right )}+y^{\left (5\right )}+3 y^{\prime \prime \prime \prime }+2 y^{\prime \prime \prime }+4 y^{\prime \prime }+2 y^{\prime }+2 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.080

26811

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

[[_high_order, _missing_x]]

0.066

26812

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

Using Laplace transform method.

[[_linear, ‘class A‘]]

1.262

26813

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

Using Laplace transform method.

[[_linear, ‘class A‘]]

0.194

26814

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

Using Laplace transform method.

[[_linear, ‘class A‘]]

0.240

26815

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

Using Laplace transform method.

[[_linear, ‘class A‘]]

0.261

26816

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

Using Laplace transform method.

[[_linear, ‘class A‘]]

0.379

26817

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

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.153

26818

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

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.091

26819

\begin{align*} x^{\prime \prime }-5 x^{\prime }+6 x&=12 \\ x \left (0\right ) &= 2 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.092

26820

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

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.100

26821

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

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.092

26822

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

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.106

26823

\begin{align*} x^{\prime \prime }-2 x^{\prime }-3 x&=3 t^{2}+7 t +3 \\ x \left (0\right ) &= -1 \\ x^{\prime }\left (0\right ) &= -1 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.122

26824

\begin{align*} x^{\prime \prime }-7 x^{\prime }&=-14 t -5 \\ x \left (0\right ) &= 2 \\ x^{\prime }\left (0\right ) &= 8 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _missing_y]]

0.132

26825

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

Using Laplace transform method.

[[_2nd_order, _missing_y]]

0.128

26826

\begin{align*} x^{\prime \prime }+6 x^{\prime }&=t \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= -{\frac {1}{36}} \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _missing_y]]

0.115

26827

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

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.126

26828

\begin{align*} 7 x^{\prime \prime }+14 x^{\prime }&=\left (t -\frac {1}{4}\right ) {\mathrm e}^{-2 t} \\ x \left (0\right ) &= 2 \\ x^{\prime }\left (0\right ) &= -{\frac {1}{56}} \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _missing_y]]

0.142

26829

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

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.135

26830

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

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.135

26831

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

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.149

26832

\begin{align*} x^{\prime \prime }-x^{\prime }-6 x&=6 \,{\mathrm e}^{3 t}+2 \,{\mathrm e}^{-2 t} \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= {\frac {4}{5}} \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.163

26833

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

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.105

26834

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

Using Laplace transform method.

[[_2nd_order, _missing_y]]

0.154

26835

\begin{align*} x^{\prime \prime }+9 x&=18 \cos \left (3 t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 9 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.171

26836

\begin{align*} x^{\prime \prime }+4 x&=4 \cos \left (2 t \right )-\frac {\sin \left (2 t \right )}{2} \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= {\frac {1}{8}} \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.168

26837

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

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.175

26838

\begin{align*} x^{\prime \prime }-2 x^{\prime }+10 x&=\cos \left (3 t \right ) \\ x \left (0\right ) &= 1 \\ x^{\prime }\left (0\right ) &= {\frac {18}{37}} \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.210

26839

\begin{align*} x^{\prime \prime }-4 x^{\prime }+5 x&=2 \,{\mathrm e}^{2 t} \left (\sin \left (t \right )+\cos \left (t \right )\right ) \\ x \left (0\right ) &= 1 \\ x^{\prime }\left (0\right ) &= 2 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.204

26840

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

Using Laplace transform method.

[[_3rd_order, _missing_x]]

0.151

26841

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

Using Laplace transform method.

[[_3rd_order, _missing_x]]

0.276

26842

\begin{align*} x^{\prime \prime \prime }+x^{\prime \prime }-2 x&={\mathrm e}^{t} t \\ x \left (0\right ) &= 2 \\ x^{\prime }\left (0\right ) &= {\frac {21}{25}} \\ x^{\prime \prime }\left (0\right ) &= -{\frac {28}{25}} \\ \end{align*}

Using Laplace transform method.

[[_3rd_order, _linear, _nonhomogeneous]]

0.261

26843

\begin{align*} x^{\prime \prime }+4 x^{\prime }&=8 \sqrt {2}\, \sin \left (t +\frac {\pi }{4}\right ) \\ x \left (0\right ) &= -{\frac {40}{17}} \\ x^{\prime }\left (0\right ) &= {\frac {24}{17}} \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _missing_y]]

0.170

26844

\begin{align*} x^{\prime \prime }+4 x^{\prime }&=8 \sqrt {2}\, \sin \left (2 t +\frac {\pi }{4}\right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= -2 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _missing_y]]

0.172

26845

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

With initial conditions

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

system_of_ODEs

0.186

26846

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

With initial conditions

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

system_of_ODEs

0.177

26847

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

With initial conditions

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

system_of_ODEs

0.190

26848

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

With initial conditions

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

system_of_ODEs

0.184

26849

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

With initial conditions

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

system_of_ODEs

0.152

26850

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

With initial conditions

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

system_of_ODEs

0.205

26851

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

With initial conditions

\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 2 \\ z \left (0\right ) &= 3 \\ \end{align*}

system_of_ODEs

0.188

26852

\begin{align*} x^{\prime }&=4 y+z \\ y^{\prime }&=z \\ z^{\prime }&=4 y \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 5 \\ y \left (0\right ) &= 0 \\ z \left (0\right ) &= 4 \\ \end{align*}

system_of_ODEs

0.168

26853

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

With initial conditions

\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 1 \\ z \left (0\right ) &= -4 \\ \end{align*}

system_of_ODEs

0.190

26854

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

[_quadrature]

1.495

26855

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

[_quadrature]

1.069

26856

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

[_linear]

1.980

26857

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

[_separable]

2.578

26858

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

[_linear]

3.671

26859

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

[_quadrature]

0.740

26860

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

[_separable]

3.126

26861

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

[_separable]

2.890

26862

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

[‘y=_G(x,y’)‘]

6.092

26863

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

[_separable]

2.048

26864

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

[_separable]

3.525

26865

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

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

9.193

26866

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

[_separable]

6.161

26867

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

[_separable]

4.945

26868

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

[‘x=_G(y,y’)‘]

3.159

26869

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

[_separable]

21.828

26870

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

[_separable]

3.253

26871

\begin{align*} y^{\prime }&=3 x^{2} \left (y+2\right ) \\ y \left (2\right ) &= 8 \\ \end{align*}

[_separable]

8.835

26872

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

[‘y=_G(x,y’)‘]

4.895

26873

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

[_separable]

2.651

26874

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

[_separable]

9.985

26875

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

[_linear]

2.089

26876

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

[[_linear, ‘class A‘]]

2.053

26877

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

[[_linear, ‘class A‘]]

1.325

26878

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

[_linear]

2.743

26879

\begin{align*} y^{\prime }-2 y&=-8 x^{2} \\ \end{align*}

[[_linear, ‘class A‘]]

2.237

26880

\begin{align*} y^{\prime }+3 y&=5 \,{\mathrm e}^{2 x}-6 \\ y \left (0\right ) &= 2 \\ \end{align*}

[[_linear, ‘class A‘]]

2.575

26881

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

[_linear]

4.356

26882

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

[[_linear, ‘class A‘]]

1.729

26883

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

[_linear]

3.158

26884

\begin{align*} y^{\prime }+\frac {5 y}{9 x}&=3 x^{3}+x \\ y \left (-1\right ) &= 4 \\ \end{align*}

[_linear]

2.932

26885

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

[_exact]

3.246

26886

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

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

2.027

26887

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

[_rational]

1.516

26888

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

[[_1st_order, _with_linear_symmetries], _exact]

4.876

26889

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

[_exact, _rational]

2.100

26890

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

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

4.299

26891

\begin{align*} 4 y^{4}-1+12 x y^{3} y^{\prime }&=0 \\ y \left (1\right ) &= 2 \\ \end{align*}

[_separable]

5.802

26892

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

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

19.619

26893

\begin{align*} x \cos \left (x -2 y\right )+\sin \left (x -2 y\right )-2 x \cos \left (x -2 y\right ) y^{\prime }&=0 \\ y \left (\frac {\pi }{12}\right ) &= \frac {\pi }{8} \\ \end{align*}

[[_1st_order, _with_linear_symmetries], _exact]

7.454

26894

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

[[_1st_order, _with_exponential_symmetries], _exact]

1.965

26895

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

[_separable]

2.178

26896

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

[_separable]

2.130

26897

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

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

60.450

26898

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

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

12.391

26899

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

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

3.650

26900

\begin{align*} \frac {1}{x}+y^{\prime }&=\frac {2}{x^{3} y^{{4}/{3}}} \\ \end{align*}

[_rational]

1.980