2.4.2 first order ode chini

Table 2.1153: first order ode chini [12]

#

ODE

CAS classification

Solved

Maple

Mma

Sympy

time(sec)

1594

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=-2 x \left (y^{3}-3 y+2\right )\\ y \left (0\right )&=3\\ \end {array} \]

[_separable]

20.240

4703

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=a \,x^{\frac {n}{1-n}}+b y^{n} \end {array} \]

[[_homogeneous, ‘class G‘], _Chini]

6.231

7143

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -a y^{3}-\frac {b}{x^{{3}/{2}}}+y^{\prime }&=0 \end {array} \]

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

6.699

11340

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -a y^{3}-\frac {b}{x^{{3}/{2}}}+y^{\prime }&=0 \end {array} \]

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

11.846

11353

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-a y^{n}-b \,x^{\frac {n}{1-n}}&=0 \end {array} \]

[[_homogeneous, ‘class G‘], _Chini]

6.335

11354

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-f \left (x \right )^{1-n} g^{\prime }\left (x \right ) y^{n} \left (a g \left (x \right )+b \right )^{-n}-\frac {f^{\prime }\left (x \right ) y}{f \left (x \right )}-f \left (x \right ) g^{\prime }\left (x \right )&=0 \end {array} \]

[_Chini, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

3.125

11355

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-a^{n} f \left (x \right )^{1-n} g^{\prime }\left (x \right ) y^{n}-\frac {f^{\prime }\left (x \right ) y}{f \left (x \right )}-f \left (x \right ) g^{\prime }\left (x \right )&=0 \end {array} \]

[_Chini, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

1.400

11487

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2 n +1} y^{\prime }-a y^{3}-b \,x^{3 n}&=0 \end {array} \]

[[_homogeneous, ‘class G‘], _Abel]

13.070

11488

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{m \left (n -1\right )+n} y^{\prime }-a y^{n}-b \,x^{n \left (m +1\right )}&=0 \end {array} \]

[[_homogeneous, ‘class G‘]]

7.998

13637

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=a y^{3}+\frac {b}{x^{{3}/{2}}} \end {array} \]

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

48.082

13645

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=a \,x^{2 n +1} y^{3}+b \,x^{-n -2} \end {array} \]

[[_homogeneous, ‘class G‘], _Abel]

55.721

13658

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=-\frac {{\mathrm e}^{2 \lambda x} y^{3}}{3 \lambda }+\frac {2 \lambda ^{2} {\mathrm e}^{-\lambda x}}{3} \end {array} \]

[[_1st_order, _with_linear_symmetries], _Abel]

396.359