Re: for loop on decimal numbers fails.

[Swiss_Knight]

Hi, 
thanks for the fast reply, and yes, it was a typo, sorry.

Nice trick, it helps, but I still have a strange error :

A=[sort(repmat ([1:1:10]',[4,1])), repmat([5:5:20]',[10;1]), rand(40,1)];
A(:,1)=A(:,1)/10;
A(:,2)=A(:,2)/10;

I=0.1:0.1:1; 
J=0.5:0.5:2; 

for i_index=1:length(I);
  i=I(i_index);
  for j_index=1:length(J); 
    j=J(j_index);
    A((find((A(:,1)==i))))
  endfor;
endfor;

It fails for i=0.3 and i=0.7. (seems like a numerical computing issue ?!)

But if I define A this way with having the two first columns directly in the
right units :
A=[sort(repmat ([0.1:0.1:1]',[4,1])), repmat([0.5 1 1.5 2]',[10;1]),
rand(40,1)];

Everything is OK. 
I can't understand...


Thanks a lot.



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