How to write y(n)=y(n-1)+x(n) in a way to store all values of y from n=1 to n?

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How to write y(n)=y(n-1)+x(n) in a way to store all values of y from n=1 to n?

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James Tursa
James Tursa il 20 Apr 2017
Modificato: James Tursa il 20 Apr 2017
There are vectorized ways to do this, but using your formula directly:
y = zeros(size(x));
y(1) = something; % <-- you fill this in, e.g. maybe x(1)?
n = something; % <-- you fill this in
for k=2:n % <-- for the rest of the elements through n
y(k) = y(k-1) + x(k); % <-- your formula
end

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