MATLAB: Can any one help me to correct this code

function h=dd1(n)
h=zeros(1, length(n));
n = [1 2 3 4 5 6 7];
h(n==0) = 1;
n=-10:10;
h(n)=dd1(n-3)-2.7083*dd1(n-4)+4.1861*dd1(n-5)-3.0451*dd1(n-6)+0.73071*dd1(n-7);
stem(n, h)
xlabel('n')
ylabel('Delta Function')
Thank you.

Best Answer

function h=dd1(n)
h=zeros(1, length(n));
% n = [1 2 3 4 5 6 7];   % What this line is doing here?
h(n==0) = 1;
The call your function
n=-10:10;
h=dd1(n-3)-2.7083*dd1(n-4)+4.1861*dd1(n-5)-3.0451*dd1(n-6)+0.73071*dd1(n-7);
stem(n, h)
xlabel('n')
ylabel('Delta Function')
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