//Example 14.7 //Gaussian Quadrature Formula //Page no. 463 clc;close;clear; deff('y=f(x)','y=cos(x)*log(x)') s=0; for i=0:2:2000 s=s+integrate('((-1)^(i/2))*(x^i)/factorial(i)*log(x)','x',0,1) end disp(s,'Till 1000 terms .... I =')