Re: error: memory exhausted or requested size too large for range of Octave's index type --

[Przemek Klosowski]

On 03/15/2011 01:05 PM, nuncio m wrote:
> Hi list,
>          Here is the code I am trying to do a PCA analysis
>
>          filename='test_eof.txt';
>          oufile='pc.txt';
>          data=load(filename);
>          data1=reshape(data,25200,132);
>          data2=data1';
>          f=detrend(data2,0);
>          R=f'*f;

Your data seems to be of the size 132x25200, and you are essentially 
building an array 25200x25200, which would be 5GB in size. If that's 
what you really need, you have to get a 64-bit octave and enough 
physical memory to match.