2.2.259 Problems 25801 to 25828

Table 2.531: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

25801

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

[_Riccati]

85.678

25802

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

[_quadrature]

1.173

25803

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

[_quadrature]

0.543

25804

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

[_quadrature]

0.598

25805

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

[_quadrature]

0.215

25806

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

[_quadrature]

0.262

25807

\begin{align*} y^{\prime }&=10+3 y-y^{2} \\ \end{align*}

[_quadrature]

0.582

25808

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

[_quadrature]

0.573

25809

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

[_quadrature]

0.960

25810

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

[_quadrature]

1.048

25811

\begin{align*} y^{\prime }&=\left ({\mathrm e}^{y} y-9 y\right ) {\mathrm e}^{-y} \\ \end{align*}

[_quadrature]

1.187

25812

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

[_quadrature]

0.828

25813

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

[_quadrature]

0.739

25814

\begin{align*} y^{\prime }&=y^{2}-y-6 \\ y \left (2\right ) &= 2 \\ \end{align*}

[_quadrature]

0.721

25815

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

[_quadrature]

0.227

25816

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

[_quadrature]

0.202

25817

\begin{align*} 1+{\mathrm e}^{3 x} y^{\prime }&=0 \\ \end{align*}

[_quadrature]

0.271

25818

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

[_quadrature]

0.253

25819

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

[_separable]

2.026

25820

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

[_separable]

2.486

25821

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

[_separable]

1.455

25822

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

[_separable]

2.675

25823

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

[_separable]

2.014

25824

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

[_separable]

3.658

25825

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

[_separable]

2.283

25826

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

[_separable]

4.296

25827

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

[_separable]

3.845

25828

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

[_separable]

2.909