Dear all, if I have In [395]: a Out[395]: array([[0, 1, 2, 3, 4], [5, 6, 7, 8, 9]]) In [396]: a[...,-1] Out[396]: array([4, 9]) In [397]: a[...,-4:-1] Out[397]: array([[1, 2, 3], [6, 7, 8]]) In [398]: a[...,-4:0] Out[398]: array([], shape=(2, 0), dtype=int64) how can I pick up something like: array([[1, 2, 3, 4], [6, 7, 8, 9]]) I want to index the final 4 rows. I cannot figure out how to do this? Thanks for any help, 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 ************************************************************************************