Oh, I didn't think it out. thanks. Chao
On Thu, May 29, 2014 at 11:59 AM, Dave Hirschfeld <dave.hirschf...@gmail.com > wrote: > Chao YUE <chaoyuejoy <at> gmail.com> writes: > > > > > > > > > Dear all, > > I have a simple question. Is there a way to denote the unchanged > dimension > in the reshape function? like suppose I have an array named "arr" having > three dims with the first dimension length as 48, I want to reshape the > first dim into 12*4, but keeping all the other dimension length unchanged. > > > > like when we slice the array, we can use: arr[10:40, ... ], "...' > represents all remaining dimesions. > > > > however when doing reshape, we must use: > > > > arr.reshape(12,-1,arr.shape(1),arr.shape(2)) > > > > > > Is there something allowing more flexible reshape, like: > > > > arr.reshape(12,-1,...)? > > > > thanks a lot in advance,best, > > > > Chao > > > > For the example given the below code works: > > In [1]: x = randn(48,5,4,3,2) > > In [2]: x.reshape(12,-1,*x.shape[1:]).shape > Out[2]: (12L, 4L, 5L, 4L, 3L, 2L) > > > HTH, > Dave > > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion > -- please visit: http://www.globalcarbonatlas.org/ *********************************************************************************** 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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