It is a kind of initial value problem in which initial conditions are known, i.e the values of x 0 and y 0 are known, and the values of y at different values x is to be found out.
The examples given are full-fledged programs for Euler integration and Runge-Kutta. This C program for Runge Kutta 4 method is designed to find out the numerical solution of a first order differential equation. Hi, I dont understand very well the next code (its written in fortran 90). Chapter 3 describes a method for writing simulation models in FORTRAN.
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