How do I replace this "for" loop?

[Robert A. Macy]

How do I replace these "for" loops?

for i=1:rowsdata
  for k=1:columnsdata
    angleofdata(i,k)=angle(data(i,k));
      if (angleofdata(i,k)>3)
        angleofdata(i,k)=angleofdata(i,k)-2*pi();
      endif
      if (angleofdata(i,k)<-3)
        angleofdata(i,k)=angleofdata(i,k)+28pi();
      endif
  endfor
endfor

Big matrix takes a looooong time.  

        - Robert -



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