The program’s source implements four functions, all from the same source file!
-When you compile theorem.c as is and run with 5 args, it +
When you compile theorem.c as is and run with 5 args, it
numerically solves the equation y'=f(x,y), with a step size of h (see above
usage), over the interval x=[x1,x2], with the initial condition of y(x1)=y1.
The ‘expression’ f(x,y) is any function of x and y with the