For loop not working

I am looping over one year in minutes. However the script stops looping values at T=49716 for some reason. Then element j=1248 in matrix B

B has one column saying which minute of the year that the value in the second column appears (13377x2 double)

How can I make it loop for the entire year?

for T=1:525600

if T~=B(j,1)
    A(T)=0;

elseif T==B(j,1)
    A(T)=B(j,2);
    j=j+1;
end
    
end

Answer 1

[Jan]

The loop does run over all T. Why do you think, that the loop stops?

A = zeros(1, 525600);  % Pre-allocation, faster and simpler code
j = 1;                 % Assumption
for T = 1:525600
  if T == B(j, 1)
     A(T) = B(j, 2);
     j    = j + 1;
  end
end

Equivalent code without a loop:

A          = zeros(1, 525600);
A(B(:, 1)) = B(:, 2):

[Joel Schelander]

It worked without the loop, thank you Jan