MATLAB: For if matrix

for loopif elseMATLAB

for i=1:n-1
    for j=1:n-1
        for r=1:332
            if i + r  > 333
              data(i+r,:)=0;
                    *else if i-r = < 0
                            data(i-r,:)=0;*
                            else if j+r > 333
                                    data(:,j+r)=0;
                                     else if j-r = < 0
                                            data(:,j-r)=0;
                                         end
                                end
                          end
            end
          end
      end
  end
Please tell me how I can correct the error at i-r = < 0

Best Answer

Change the '= <' to '<=' (without the apostrophes.)
http://www.mathworks.com/help/techdoc/ref/le.html
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