2.21.1.19 First order Isobaric ODE’s

Number of problems in this table is 13

Column notations: A is ODE degree. B is Program Number of solutions generated. C is CAS Number of solutions generated.

Table 2.552: isobaric

#

ODE

A

B

C

CAS classification

Solved?

Verified?

time (sec)

5793

\[ {}2 x y^{\prime } \left (x -y^{2}\right )+y^{3} = 0 \]

1

1

1

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

0.254

5794

\[ {}x^{3} \left (y^{\prime }-x \right ) = y^{2} \]

1

1

1

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

0.309

5795

\[ {}2 x^{2} y^{\prime } = y^{3}+x y \]

1

1

2

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

0.221

5796

\[ {}y+x \left (1+2 x y\right ) y^{\prime } = 0 \]

1

1

1

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

0.223

5797

\[ {}2 y^{\prime }+x = 4 \sqrt {y} \]

1

1

1

[[_1st_order, _with_linear_symmetries], _Chini]

0.579

5798

\[ {}y^{\prime } = y^{2}-\frac {2}{x^{2}} \]

1

1

1

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

0.358

5799

\[ {}y+2 x y^{\prime } = y^{2} \sqrt {x -x^{2} y^{2}} \]

1

1

1

[[_homogeneous, ‘class G‘]]

0.716

5800

\[ {}\frac {2 x y y^{\prime }}{3} = \sqrt {x^{6}-y^{4}}+y^{2} \]

1

1

1

[[_homogeneous, ‘class G‘]]

1.222

5801

\[ {}2 y+\left (x^{2} y+1\right ) x y^{\prime } = 0 \]

1

1

1

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

0.233

5802

\[ {}y \left (1+x y\right )+x \left (1-x y\right ) y^{\prime } = 0 \]

1

1

1

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

0.231

5803

\[ {}y \left (x^{2} y^{2}+1\right )+\left (x^{2} y^{2}-1\right ) x y^{\prime } = 0 \]

1

1

1

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

0.245

5804

\[ {}\left (x^{2}-y^{4}\right ) y^{\prime }-x y = 0 \]

1

1

4

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

0.489

5805

\[ {}y \left (1+\sqrt {x^{2} y^{4}-1}\right )+2 x y^{\prime } = 0 \]

1

1

1

[[_homogeneous, ‘class G‘]]

0.726