Your code should be something like this
N=10;
n=0:N-1;
h=[0 0 0 1 -2.7083 4.1861 -3.0451 0.73071 0 ];
x=[01.9021 -1.1756 -1.1756 1.9021 0.0000 -1.9021 1.1756 1.1756 -1.9021]
d=h.*x;
plot(d)
But it seems that you need to read basics of Matlab
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