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Topic: finding index of any element in a matrix
Replies: 6   Last Post: Jun 24, 2013 2:07 PM

 Messages: [ Previous | Next ]
 asif khan Posts: 16 Registered: 6/24/13
Re: finding index of any element in a matrix
Posted: Jun 24, 2013 5:27 AM

On Monday, June 24, 2013 2:46:20 PM UTC+5:30, Nasser M. Abbasi wrote:
> On 6/24/2013 4:11 AM, asif khan wrote:
>

> > I have a matrix
>
> > A = [3 5 8;
>
> > 5 1 3;
>
> > 9 4 7]
>
> >
>
> > i want to find the index of the 4 from the above matrix...
>
> >
>
> > by seeing the matrix, we can say it is r=3 & c=2.
>
> >
>
> > i want to get it by using command...
>
> >
>
>
>
>
>
> If you use the find() command with [I,J] as return values,
>
> you will get the result.
>
>
>
> EDU>> [I,J]=find(A==4)
>
>
>
> I =
>
>
>
> 3
>
>
>
>
>
> J =
>
>
>
> 2

the problem is i have taken a matrix

R = rand(6,4)

and i gave the same command that you mentioned...

but it is not giving the answer...

Date Subject Author
6/24/13 asif khan
6/24/13 Nasser Abbasi
6/24/13 asif khan
6/24/13 Nasser Abbasi
6/24/13 asif khan
6/24/13 Nasser Abbasi
6/24/13 asif khan