Grouping elements of array according to the result of a calculation ?

Hi Please i would a help with a problem, I am not sure how to approach it: - I have a list of numbers, I want to group them in a groupe, every time the sum of some numbers ( in order ) is divided by 11. It sounds confusing, so let me illustrate it with an exemple :

I have : A, B, C, D, E, F, G, H, I if (A+B)/11 = True then create "array" [A, B] and continue if (A+B+C)/11 = false then continue (A+B+C+D) ect. until i reach the end, then start form if (B+C), (B+C+D) .... ect

i hope that made some sens, please how can i best achieve that ?

Answer 1

[Walter Roberson]

V = [A, B, C, D, E, F, G, H, I];
outputs = {};

while ~isempty(V)
  idx = find( mod(cumsum(V),11) == 0 );
  for K = idx
    outputs{end+1} = V(1:K);
  end
  V = V(2:end);
end

[mounim korchi]

Thank you, i will try that.

Answer 2

[Jos (10584)]

Here is another, straightforward, double for-loop approach (but I do appreciate Walters cumsum solution too):

V = [A B C ... I]
outputs = {} ;
N = numel(V)
for k = 1:N-1
   for j = k+1:N
      if mod(sum(V(k:j)), 11) == 0
         outputs{end+1} = V(k:j) ; % add to set
      end
   end
end