Delete zeros from an array using for loops

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Juan Pérez Álvarez
评论： Juan Pérez Álvarez 2022-2-18
Hi I need delete zero elements of an array.
Note: I know theres a lot of way to complete this task.
Example: A = [1,0,2,3,0,0];
B = B(B~=0);
or
B = nonzeros(A);
I'm tryng this:
% Know the number of zeros
LA = length(A); Cont = 0;
for i = 1: LA
if A(i) == 0
Cont = Cont + 1;
end
end
% Dimention of the array B
LB = LA-Cont; B = zeros(LB,1);
for j=1:LB for k=1:LA
if A(k) ~= 0
B(j) =[A(k)];
end
end
end
Using this code I get this:
B = [3,3,3];
Because this code not reset when find a number different of zero.
Any idea? (using for loops)

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采纳的回答

David Hill
David Hill 2022-2-16
A = [1,0,2,3,0,0];
B=[];
for k=1:length(A)
if A(k)~=0
B=[B,A(k)];
end
end

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