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Subject: repost problem of find function due to the misaligned text
Date: Fri, 27 May 2011 18:37:04 +0000 (UTC)
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"Yihui" wrote in message <iroop9$bvf$1@newscl01ah.mathworks.com>...
> Dear Matlab experts,
> 
> I have a problem with &#8220;find&#8221; function.
> Assuming that I have a 4 x 3 data as follows: 
> 1   4    7
> 2   5    8
> 3   6    9
> 44  74  12
> 
> I would like to selectively output certain number by entering the numbers in the first three rows. For instance, I enter 
> 1     4 
> 2     3
> 3     6
> 
> and then i can get 
> 1    4 
> 2    5
> 3    6
> 44   74
> as output.
> 
> Could you please tell me how to do this? Thanks for any suggestions in advance.
> Sincerely,
> Yihui
> 
>                                                                     

% Its hard to determine exactly what you are trying do do.
% From your example, why not simply:

>> A = [1 4 7;
2 5 8;
3 6 9;
44 74 12]

A =

     1     4     7
     2     5     8
     3     6     9
    44    74    12

>> B = A(:,1:2)

B =

     1     4
     2     5
     3     6
    44    74