How to appendant for loop data to new coloum of a matrix

Hi guys, I am having problem storing my new for loop data to a new column of my matrix. For each C value, there should be a set of B values with all A values. I want to store each set of B values to new column in MAB. My current codes overwrite the column:

s=0;
g=0;

for C = 1:0.1:5;
for A = -10:1:10;

      B = pi*A*C;

    MAB(s+1,1) = A;
    MAB(s+1,2) = B;
    s = s+1;
  end
  s = 0;

plot(MAB(:,1),MAB(:,2))

MAC(g+1,1) = C;
MAC(g+1,2) = B;

g = g+1;

end
g=0;

figure
plot(MAC(:,1),MAC(:,2))

Please let me know what I can do. Thanks heaps!

Answer 1

[KSSV]

C = 1:0.1:5 ;
A = -10:1:10 ;
MAB = cell(length(C),length(A)) ;
MAC = cell(length(C),1) ;
for i = 1:length(C);
    for j = 1:length(A)
        B = pi*A(j)*C(i);
        MAB{i,j}(j,1) = A(j);
        MAB{i,j}(j,2) = B;
    end
    MAC{i}(i,1) = C(i);
    MAC{i}(i,2) = B;
end

NOw MAB, MAC are cells. You can access them.

[Catherine]

Hi KSSV, thanks for the reply. I don't know how to access the cell array as each element is a double. But I figured it out at the end which is sort of similar to your code:

s=0;
g=0;

for C = 1:0.1:2;
for A = -10:1:10;

      B(s+1,g+1) = pi*A*C;

      MAB(s+1,1) = A;

      s = s+1;
    end
    s = 0;

     MAC(g+1,1) = C;

g = g+1;
end
g=0;

Which makes the row of corresponds to C values and column corresponds to A values respectively.

Thanks a lot though!