www.gusucode.com > optim 案例源码 matlab代码程序 > optim/filtobj.m
function f = filtobj(xfree,x,xmask,n,h,maxbin) %FILTOBJ Returns frequency response for DFILDEMO. % Copyright 1990-2006 The MathWorks, Inc. x(xmask) = xfree; h2=abs(freqz(x(1:n), x(n+1:2*n), 128)); f= h2 - h;