Hi i am new to mathlab and i am trying to estimate the impulse response. i just decided to estimate using least square method.So can anybody help me with the code to estimate an impulse response using using LEAST SQUARES? thank you.

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sacha wangmo
sacha wangmo on 8 Mar 2015
Commented: John D'Errico on 8 Mar 2015
clear all;
close all;
fs=16000;
ts=1/fs;
f=440;
dftsize=256;
t=0:ts:2;
toplay=[zeros(1,size(t,2)/2) 1 zeros(1,size(t,2)/2)];
[simin,nbsecs,fs] = initparams(toplay,fs,t);
sim('recplay');
out=simout.signals.values;
x=double(out);
stem(x)
freqz(x)

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