On Sun, 24 Aug 2008 23:49:45 -0600, Charles R Harris wrote:
On Sun, Aug 24, 2008 at 9:48 PM, Daniel Lenski [EMAIL PROTECTED]
wrote:
Hi all,
I need to take the determinants of a large number of 3x3 matrices, in
order to determine for each of N points, in which of M tetrahedral
cells they
Hi all,
I need to take the determinants of a large number of 3x3 matrices, in
order to determine for each of N points, in which of M tetrahedral cells
they lie. I arrange the matrices in an ndarray of shape (N,M,5,3,3).
As far as I can tell, Numpy doesn't have a function to do determinants
On Mon, 25 Aug 2008 03:48:54 +, Daniel Lenski wrote:
* it's fast enough for 100,000 determinants, but it bogs due to
all the temporary arrays when I try to do 1,000,000 determinants
(=72 MB array)
I've managed to reduce the memory usage significantly by getting the
number of
2008/8/25 Daniel Lenski [EMAIL PROTECTED]:
On Mon, 25 Aug 2008 03:48:54 +, Daniel Lenski wrote:
* it's fast enough for 100,000 determinants, but it bogs due to
all the temporary arrays when I try to do 1,000,000 determinants
(=72 MB array)
I've managed to reduce the memory
On Sun, Aug 24, 2008 at 9:48 PM, Daniel Lenski [EMAIL PROTECTED] wrote:
Hi all,
I need to take the determinants of a large number of 3x3 matrices, in
order to determine for each of N points, in which of M tetrahedral cells
they lie. I arrange the matrices in an ndarray of shape (N,M,5,3,3).