y

This is solved numerically with different onestep methods, i.e. the solution y(t) is determined approximately.

The determined solution is displayed graphically and in form of a table.

If the differential equation is given in a different form, it must first be converted to the specified form,

i.e. solved for the first derivative y

The program uses

have time as independent variable. So if you have a differential equation with

The method used and the selected step size Δt of the integration largely determine the quality of the approximate solution.

For all methods, the value Δt is also the step size for the graphic output.

This also applies to the Runge-Kutta method with automatic step size control. Internally, however, problem-adjusted increments are used.

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