[Numpy-discussion] reshaping arrays

Bradley M. Froehle brad.froehle@gmail....
Sat Mar 2 21:20:42 CST 2013


On Sat, Mar 2, 2013 at 6:03 PM, Sudheer Joseph <sudheer.joseph@yahoo.com>wrote:

> Hi all,
>         For a 3d array in matlab, I can do the below to reshape it before
> an eof analysis. Is there a way to do the same using numpy? Please help.
>
> [nlat,nlon,ntim ]=size(ssh);
> tssh=reshape(ssh,nlat*nlon,ntim);
> and afterwards
> eofout=[]
> eofout=reshape(eof1,nlat,nlon,ntime)
>

Yes, easy:

nlat, nlon, ntim = ssh.shape
tssh = ssh.reshape(nlat*nlon, ntim, order='F')
and afterwards
eofout = eofl.reshape(nlat, nlon, ntim, order='F')

You probably want to go read through
http://www.scipy.org/NumPy_for_Matlab_Users.

Cheers,
Brad
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