How can I implement this for loop in vector operation form?
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I have this for loop that I would like to implement more efficiently
clear all;
clearvars;
N = 5;
Rs = 100*10^6;
Ts = 1/Rs;
J = 4;
Tsamp = Ts/J;
x = 2.*randi([0 1], N, 1)-1;
s = repelem(x,J);
n=0:N*J-1;
t = Tsamp.*n;
x_t=0;
%% This is the for loop
for nn=1:length(n)
x_t = x_t+ s(nn).*sinc(n-nn);
end
plot(t, x_t)
How can I do this?
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Anuj
il 10 Lug 2023
Hi Mawe,
You can use parallel computing toolbox to use parfor to run the for loop parallelly, which would extensively reduce the computation time.
refer to this article - Parallel for-Loops (parfor) - MATLAB & Simulink - MathWorks India
or you can vertorize the inner for loop step with the following code -
x_t = sum(s .* sinc(n - (1:length(n))));
By vectorizing the code, we avoid the need for an explicit for loop, which can improve the execution speed and efficiency of the code.
NOTE - The vectorized version assumes that the dimensions of s and n are compatible for element-wise operations.
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