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Re: ordering variable
From: |
James Sherman Jr. |
Subject: |
Re: ordering variable |
Date: |
Fri, 21 Mar 2008 18:28:00 -0400 |
I is a vector of indices to the original vector. So something like:
V = [ 10, 40, -5, 15];
[Y, I] = sort(V);
would return:
Y = [-5 15 10 40];
I = [3 4 1 2];
which has the relationship,
Y = V(I);
Note: This was done by hand, since I don't have octave available right
now, so any typos or errors I blame on my horrible memory.
Hope this helps,
James
On Fri, Mar 21, 2008 at 6:15 PM, <address@hidden> wrote:
>
>
> Dear James, thank you for your reply
>
> let [y,I]=sort(Z)
>
> what's the implication of I?
>
> thank you
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