comparison of loop and vectorization in matlab

Question

let us consider following code for impulse function

function y=impulse_function(n);
y=0;
if n==0
    y=1;
end
end

this code

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Answer 1

You can write an even simpler function:

function y=impulse_function(n);
y = n==0;

Note that this will return y as a type logical array but that should not affect later numerical computations.