Thanks to the two of you!! Chao
On Mon, Jun 3, 2013 at 11:53 AM, Sebastian Berg <[email protected]>wrote: > On Mon, 2013-06-03 at 10:44 +0200, Chao YUE wrote: > > Dear all, > > > > I have an array with 4 dim: > > > > In [24]: dd.shape > > Out[24]: (12, 13, 120, 170) > > > > I would like to collapse the last two dim for applying np.sum(axis=-1) > > > If you use Numpy >= 1.7. you can also just use dd.sum(axis=(-1,-2)) > > - Sebastian > > > > In [25]: dd.reshape(12,13,-1).shape > > Out[25]: (12, 13, 20400) > > > > is there a more general way to do this? something like > > In [21]: dd.reshape(*dd.shape[0:2],-1).shape > > ------------------------------------------------------------ > > File "<ipython console>", line 1 > > SyntaxError: only named arguments may follow *expression (<ipython > > console>, line 1) > > > > thanks a lot for any hints, > > > > cheers, > > > > Chao > > > > -- > > > *********************************************************************************** > > Chao YUE > > Laboratoire des Sciences du Climat et de l'Environnement (LSCE-IPSL) > > UMR 1572 CEA-CNRS-UVSQ > > Batiment 712 - Pe 119 > > 91191 GIF Sur YVETTE Cedex > > Tel: (33) 01 69 08 29 02; Fax:01.69.08.77.16 > > > > > ************************************************************************************ > > _______________________________________________ > > NumPy-Discussion mailing list > > [email protected] > > http://mail.scipy.org/mailman/listinfo/numpy-discussion > > > _______________________________________________ > NumPy-Discussion mailing list > [email protected] > http://mail.scipy.org/mailman/listinfo/numpy-discussion > -- *********************************************************************************** Chao YUE Laboratoire des Sciences du Climat et de l'Environnement (LSCE-IPSL) UMR 1572 CEA-CNRS-UVSQ Batiment 712 - Pe 119 91191 GIF Sur YVETTE Cedex Tel: (33) 01 69 08 29 02; Fax:01.69.08.77.16 ************************************************************************************
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