Hello I\'m writing a nested for loop to do element wise multiplication in a matr

Question

Hello I'm writing a nested for loop to do element wise multiplication in a matrix and I keep getting a wonky output. What should get is a 2 x 2 matrix of [2,3;4,5]; but entries 4 and 5 end up being zeros for some reason here's the code thanks and this is written for matlab.

clear all

clc

clear all

D = ones(2,2);

E = [2,3;4,5];

F1 = zeros(2,2);

sizeD = D;

sizeE = E;

for i = 1:sizeD(1,:);

for j = 1:sizeE(1,:);

for i1 = 1:sizeD(:,1);

for j1 = 1:sizeE(:,1);

F1(i,j) = E(i,j)* D(i1,j1);

end

end

end

end

disp('F = ');

disp(F1);

%Output

F =

2 3

0 0

Explanation / Answer

E = [2 3; 4 5]; D = ones(2,2); F1 = zeros(2,2); for i1 = 1:2 for i2 = 1:2 for i3 = 1:2 F1(i1,i2) = F1(i1,i2) + D(i1,i3)*E(i3,i2); end; end; end; disp('F='); disp(F1);

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