BSW Math 
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Solution of Ordinary Differential Eqations 
This script gives the numirical solution of ODE of second order in the form A Y''(x)+B Y'(x)+C Y(x)= f(x) The calculation is carried by iteration method where A, B and C are functions on x You can make a data fitting for the results as a polynomial up to 10th order. 
This is an example for output data in exel of the problem Uxx+U=x, U(x)=0 at all boundaries and 1 < x < 1 
