integ3m

Overview

subroutine integ.f

source
Bevington, page 274.

purpose
integrate the area beneath two data points

usage
call integ (x, y, nterms, i1, x1, x2, sum)

description of parameters
x - array of data points for independent variable
y - array of data points for dependent variable
nterms - number of terms in fitting polymonial
i1 - first data point for fitting polynomial
x1 - first value of x for integration
x2 - final value of x for integration

subroutines and function subprograms required
none

comments
valid for nterms up to 10