MATLAB: How to save certain values in a FOR loop

certain valuesfor loopifsave values

Hi, i am running several FOR-loops, as shown below, and want to save the step-values which satisfies the if-command. Right now I just stop the script at the first values which satisfies the criteria, but as there propably will be more than one answer, I would like to save all the different combinations in a matrix, or a file. How do I do this?
 for k = 17.12:0.001:17.13 
    for c0 = 0.1:0.1:0.5
        for c1 = 1:1:5
            for ac = 0.1:0.1:0.5
                for mc = 0.2:0.1:0.7
                    for a = 0:0.1:0.2
                        for m = 0:0.1:1
        propellerdesign;
        %This is the main script which runs as it should
                            if T_req<= T && T <= 1.001*T_req && cav_points == 0
                            return
                            end
                        end
                    end
                end
            end
        end
    end
end

Best Answer

just before the start of the first for loop, define an empty matrix, this will be the storage for all the valid step-values. Replace the return statement with a statement that updates your storage matrix.
m = [];
for k = 17.12:0.001:17.13 
  for c0 = 0.1:0.1:0.5
      for c1 = 1:1:5
          for ac = 0.1:0.1:0.5
              for mc = 0.2:0.1:0.7
                  for a = 0:0.1:0.2
                      for m = 0:0.1:1
      propellerdesign;
      %This is the main script which runs as it should
                          if T_req<= T && T <= 1.001*T_req && cav_points == 0
                          m = [m T_req]; % This causes your matrix to expand as necessary
                          end
                      end
                  end
              end
          end
      end
  end
end
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