How can we find function value f1, f2,.......f15? If function is defined by fi = Xi +3*Xi+1 - 4Xi+2 + Xi+3 and Xi=[2 5 -6 8 9 45 4 4 4 4 8 9 4 1 5]; i=1,2,......15.

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Shivangi Chauhan
Shivangi Chauhan 2016-2-10
评论： Shivangi Chauhan 2016-2-11
How can we find function value f1, f2,.......f15? If function is defined by fi = Xi +3*Xi+1 - 4Xi+2 + Xi+3 and Xi=[2 5 -6 8 9 45 4 4 4 4 8 9 4 1 5]; i=1,2,......15.
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Andrei Bobrov
Andrei Bobrov 2016-2-10
f = conv(Xi,[1 -4 3 1],'valid');

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