math - Calculate differential in Fortran -

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I calculate w j = 0 to n Want to function below Is there a written library already for this in Fortran?

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Actually I have a program Want to write that which gets the n from the user, and what will I do for the difference in the print w and ln (x) ?

That recurrence relation has n-th order lender polynomial, and x j And w will be generated from j , I think you are writing a program to perform Gauss-Legendre performance (not know why q is x).

It provides one that calculates the nodes and the weight, which uses the Trivedi-Agevalue method and writes them in the external file. You can try all the underlying functions and keep them in a module for run-time calculations of nodes and weights.

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