Numerical integration of differential equations with EJS
Using EJS it is very easy to solve differential equations. Several algorithms for different methods are programmed and can be chosen at page Evolution with a mouse click. The steps of the variable x are automatically calculated, when the difference dx has been defined. For a first order differential equation one defines:
dy/dt = y´ = f( y, x )
In this simulation with a ComboBox the formula is:
y´ = (formula in field y´, evaluated for x, and y)
In February 2011 EJS 4.3 presents the following methods: