how can i give rand function as an input to the given difference equation?
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n=10
x(n)=randn(n,1)
y(n)=2.5*x(n)+ x(n-1)
The x(n)should be given as input to the y(n) but when i tried doing that x(n) it is giving me the following error.
??? In an assignment A(I) = B, the number of elements in B and
I must be the same.
Error in ==> Untitled at 5
x(n)=randn(n,1).
But without using x(n) i cannot give the input to the y(n).
Kindly provide me a solution.
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Accepted Answer
Star Strider
on 1 Jul 2015
You need a loop:
n = 10;
x = randn(n,1);
for k1 = 2:n
y(k1) = 2.5*x(k1) + x(k1-1);
end
figure(1)
plot(x, y, '-o')
grid
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