How to handle polynomial expansion in MATLAb

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Fred
Fred 2013-7-9
Dear all;
I have two vectors Z(m*1) and S(n*1) (Z is my data and S are coefficients from another formula) and I want to adjust Z values by some type of differencing like this:
H(i)=Z(i)-0.3*Z(i-1)-0.105*Z(i-2)-0.059*Z(i-3)-...
S=[0.3 0.105 0.059 ...]
I don't know how should I handle both S and Z with different dimensions? I appreciate your help

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Matt J
Matt J 2013-7-9
编辑：Matt J 2013-7-9
H=filter([1,-S],0 , Z);

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