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Re: compex vector in 'C' -> complex vector in 'octave'
From: |
James Sherman Jr. |
Subject: |
Re: compex vector in 'C' -> complex vector in 'octave' |
Date: |
Thu, 24 Apr 2008 14:33:43 -0400 |
I'm not sure how "elegant" it is, but I'd just do
y = x(1:2:end) + x(2:2:end)*i;
The best solution is probably just put this in your own
"read_complex_vector" function and just use that whenever you want to
read in that file format.
Hope this helps.
On Thu, Apr 24, 2008 at 2:14 PM, Sergei Steshenko <address@hidden> wrote:
> Hello All,
>
> supposed I have a complex vector generated by a 'C' program and dumped in
> binary form into a file
> using 'fwrite'.
>
> So, the data will put into the file this way:
>
> re[0], im[0], re[1], im[1], ... re[N-1], im[N-1]
>
> where N is number of elements in the vector.
>
> I can load the vector into octave using 'fread', but, I quess, it will look
> like vector
> of real numbers.
>
> I can take data at indexes 1, 3, 5... (the real parts) and at indexes 2, 4,
> 6 ... (the imaginary
> parts) and "reconstitute" the vector, but maybe there is a handy function
> which already does
> this ?
>
> I read
>
>
> http://www.gnu.org/software/octave/doc/interpreter/Rearranging-Matrices.html#Rearranging-Matrices
>
> but could come up with anything more elegant than the straightforward
> odd-even indexes solution.
>
> Thanks,
> Sergei.
>
> Applications From Scratch: http://appsfromscratch.berlios.de/
>
>
>
>
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