[scilab-Users] Using a cell entry to access part of a matrix

[Adrien Vogt-Schilb]

Iai,

y(cell2mat(II(1)))

should be what you are looking for
(in the previous mail m was unnecessary)

On 07/11/2011 23:31, Adrien Vogt-Schilb wrote:
> On 07/11/2011 23:19, Iai Masafumi ax wrote:
>> Thanks for your reply. I wanted to use a cell array to manage a lot of
>> variable in my code which is more complicated.
>>
>> I guess I have to put my question in a different way:
>>
>> After running the code below, type(II(1)) returns 17 while type(ii)
>> returns 1. According to the help, 1 means "real or complex constant
>> matrix". 17 means "matrix oriented typed list (mlist)". How do I convert
>> II(1) into a "real or complex constant matrix"?
>>
> hi
>
> you could use :
>
> m=cell2mat(II) //converts cell to matrix, what you asked.
> m(1,:)
>
>
>
> if you build yourself the cell, i am guessing you are trying to mimic
> something you are used to do with matlab
> in that case, consider:
>
> 1-using structures instead of cells
> y=[100:110]
> ii=[1 3 5 7];
> jj=[2 4 6 8];
> y(ii)   // OK. This is an ordinary way.
>
> //build
> II.actual_name_i=ii;
> II.myindexes=jj;
> //access
> y(II("myindexes "))
> y(II.actual_name_i )
>
> //useful for loops
> fieldnames(II)
>
> 2-using hypermatrices if ii and jj will always have the same size
> II = zeros(1,4,2)
> II(:,:,1) = ii;
> II(:,:,2) = jj;
>
> y(II(:,:,1))
>
>
> hope this helps
>
> -- 
> Adrien Vogt-Schilb (Cired)
> Tel: (+33) 1 43 94 *73 77*


-- 
Adrien Vogt-Schilb (Cired)
Tel: (+33) 1 43 94 *73 77*
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