how to vectorize it

[shivax]

hi, see this code:

 input for example:

 ris=[1 0 0;0 1 0;1 0 0; 0 1 1]
 tit=[0 1 0 0]

 tic
 bb=0;
 for hh=1:columns(ris)
  bb=0;
  for gg=1:rows(ris)
    if tit(gg) 
         bb=0;
        if ris(gg,hh)
            bb=1;    
     endif
    endif 
     ris(gg,hh)=bb;   
   endfor
 endfor
 toc
 
 

it's possible to avoid loop?



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