From: Johannes L. <a.u...@gm...> - 2006-07-12 07:10:51
|
On Wednesday 12 July 2006 02:07, Michael Sorich wrote: > On 7/12/06, JJ <jos...@ya...> wrote: > > 2) It would be very convienient to have some simple way to delete > > selected columns of a matrix. For example, in matlab the command is > > X[:,[3,5,7]]=[] to delete the three selected columns. It would be nice > > if such a command would also work with selections, as in X[:,A[0,:]<4] = > > [], where X and A are matrices. > (...) > I like the current use of negative indices in numpy, but I do find > myself missing the ability to easily make a copy of the array without > certain indices. Maybe use complex numbers? draft: >>> a = arange(10) >>> print a[ 3j ] [ 0 1 2 4 5 6 7 8 9 ] Johannes |