Re: [Numpy-discussion] LA improvements (was: dot function or dot notation, matrices, arrays?)

2009-12-23 Thread Anne Archibald
2009/12/23 David Goldsmith d.l.goldsm...@gmail.com: Starting a new thread for this. On Tue, Dec 22, 2009 at 7:13 PM, Anne Archibald peridot.face...@gmail.com wrote: I think we have one major lacuna: vectorized linear algebra. If I have to solve a whole whack of four-dimensional linear

Re: [Numpy-discussion] LA improvements (was: dot function or dot notation, matrices, arrays?)

2009-12-23 Thread David Warde-Farley
On 23-Dec-09, at 10:34 AM, Anne Archibald wrote: It's been a little while since I took a really close look at it, but I'll try to describe the problems I had. Chiefly I had problems with documentation - the only way I could figure out how to build additional gufuncs was monkey-see-monkey-do,

Re: [Numpy-discussion] LA improvements (was: dot function or dot notation, matrices, arrays?)

2009-12-23 Thread David Goldsmith
On Wed, Dec 23, 2009 at 10:30 AM, David Warde-Farley d...@cs.toronto.edu wrote: On 23-Dec-09, at 10:34 AM, Anne Archibald wrote: It's been a little while since I took a really close look at it, but I'll try to describe the problems I had. Chiefly I had problems with documentation - the only

Re: [Numpy-discussion] LA improvements (was: dot function or dot notation, matrices, arrays?)

2009-12-23 Thread Anne Archibald
2009/12/23 David Warde-Farley d...@cs.toronto.edu: On 23-Dec-09, at 10:34 AM, Anne Archibald wrote: The key idea would be that the linear algebra dimensions would always be the last one(s); this is fairly easy to arrange with rollaxis when it isn't already true, would tend to reduce copying

Re: [Numpy-discussion] LA improvements (was: dot function or dot notation, matrices, arrays?)

2009-12-23 Thread David Warde-Farley
On 23-Dec-09, at 2:19 PM, David Goldsmith wrote: Thanks Anne (and Dave): it may seem to you to be a bit silly to dream up an API without implementing anything, but I think it's useful to get these things on the record so to speak, and as a person charged with being especially concerned w/

Re: [Numpy-discussion] LA improvements (was: dot function or dot notation, matrices, arrays?)

2009-12-23 Thread David Goldsmith
On Wed, Dec 23, 2009 at 2:26 PM, David Warde-Farley d...@cs.toronto.edu wrote: On 23-Dec-09, at 2:19 PM, David Goldsmith wrote: Thanks Anne (and Dave): it may seem to you to be a bit silly to dream up an API without implementing anything, but I think it's useful to get these things on the

Re: [Numpy-discussion] LA improvements (was: dot function or dot notation, matrices, arrays?)

2009-12-23 Thread David Warde-Farley
On Wed, Dec 23, 2009 at 05:30:16PM -0800, David Goldsmith wrote: On Wed, Dec 23, 2009 at 2:26 PM, David Warde-Farley d...@cs.toronto.edu wrote: On 23-Dec-09, at 2:19 PM, David Goldsmith wrote: Thanks Anne (and Dave): it may seem to you to be a bit silly to dream up an API without

[Numpy-discussion] LA improvements (was: dot function or dot notation, matrices, arrays?)

2009-12-22 Thread David Goldsmith
Starting a new thread for this. On Tue, Dec 22, 2009 at 7:13 PM, Anne Archibald peridot.face...@gmail.com wrote: I think we have one major lacuna: vectorized linear algebra. If I have to solve a whole whack of four-dimensional linear systems, right now I need to either write a python loop and