how ca jump in another line in matlab m-file?

i have a cost function for my ICA. in my cost function 2 optimized values of 2 parameters have to find.parameters are a and b. the constraint of a is [1 50] and for b is [1 30]. the optimized value of b must be less than a. so i added i line in my cost function like below: if a<b jump to first line of cost function end how can i write the jump statement?

Answer 1

[Walter Roberson]

http://www.mathworks.com/matlabcentral/fileexchange/26949-matlab-goto-statement

This is really not recommended. You should instead code something like,

while true
  ... do some work
  if a < b
    continue;  %restart the loop
  end
  ... do more work
  break;   %exit the loop
end