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how to resize a given signal? My input signals are y2=[ 1 9385];yh=[1 37508]; I need to find y2+y5.
You'll probably want to use either interp1() or imresize(). Both are illustrated in the demo below:
clc; clearvars; y2 = rand(1, 9385); y5 = rand(1, 37508);
% The easiest method, using imresize(). % Make y2 the same size as y5 y2Larger = imresize(y2, size(y5)); % Now sum them output = y2Larger + y5;
% Alternative method using interp1 x = linspace(1, length(y5), length(y2)); xi = 1:length(y5); y2Larger = interp1(x, y2, xi) % Now sum them output = y2Larger + y5;