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Re: Possible bug? cell array indexing problem

From: Carnë Draug
Subject: Re: Possible bug? cell array indexing problem
Date: Tue, 18 Dec 2012 16:15:26 +0000

Moved from maintainers to help mailing list...

On 17 December 2012 18:52, mass168 <address@hidden> wrote:
> Thanks for the reply. Apologies, I tried to simplify this block of code, and
> accidentally left out some critical lines. It should have read as follows:
> y={[1,2,3];[5,8,9];[35:2:46]}
> n1=3; %Left out
> n2=2; %Left out
> n3=3; %Left out
>  for n103=1:3
>  a=num2str(n103)
>  b=strcat('n',a)
> y{b,1}(1,3)
>  endfor
> However, with this said, I'm tracking on your explanation that strings
> cannot be indexes. My question remains, is there a way to accomplish the
> intent of what i was doing here? I need the index "b" to be created
> externally, and it must be of the form that I used here (i.e n1, n2), or the
> more complicated example will not work.   Thanks!
> MJ

ok, so your problem is that `b' is not the variable for the index, but
the name of the variable that holds the index. Use eval(). Still, my
advice would be to redesign the thing, it looks messy.


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