?? centroid.m
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function y=centroid(funfcn,a,b,tol,p1,p2,p3)% CENTROID Finds the centroid of a function over a region.% Y=CENTROID('F',A,B,TOL,P1,P2,P3), finds the centroid of the% function F defined in an m-file on the [A,B] region. The% function can contain up to three parameters, P1, P2, P3.% tol=the relative error.args=[];for n=1:nargin-4 args=[args,',p',int2str(n)];endargs=[args,')'];funfcn1='x_fnct';y1=eval(['quad(funfcn1,a,b,tol,[],funfcn',args]);y2=eval(['quad(funfcn,a,b,tol,[]',args]);y=y1/y2;
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