On Sat, Mar 22, 2014 at 10:12 PM, Christoph Gohlke wrote:
> On 3/22/2014 7:28 PM, Charles R Harris wrote:
> > Hi All,
> >
> > It is time for the 1.8.1 release to go forward. I'm on the fence as to
> > whether to do an rc2 or just release and do a 1.8.2 if needed. The
> > problems noted with the 1
On 3/22/2014 7:28 PM, Charles R Harris wrote:
> Hi All,
>
> It is time for the 1.8.1 release to go forward. I'm on the fence as to
> whether to do an rc2 or just release and do a 1.8.2 if needed. The
> problems noted with the 1.8.1rc1 should be fixed, but if you are in a
> position to test the curr
On Sat, Mar 22, 2014 at 10:35 PM, Sturla Molden wrote:
> On the other hand, this
>
> vec.T @ Mat @ Mat
>
> would not need parentheses for optimisation when the associativity is
left.
>
>
Nor does it require .T if vec is 1d.
>
> By the way, the * operator for np.matrix and Matlab matrices are
Nathaniel Smith wrote:
> - There might be some speed argument, if people often write things
> like "Mat @ Mat @ vec"? But no-one has found any evidence that people
> actually do write such things often.
With left associativity, this would be an algorithmic optimization:
Mat @ (Mat @ vec)
Hi All,
It is time for the 1.8.1 release to go forward. I'm on the fence as to
whether to do an rc2 or just release and do a 1.8.2 if needed. The problems
noted with the 1.8.1rc1 should be fixed, but if you are in a position to
test the current 1.8.x branch, please give it a try.
Chuck
__
On Sat, Mar 22, 2014 at 7:59 PM, Robert Kern wrote:
> On Sat, Mar 22, 2014 at 6:13 PM, Nathaniel Smith wrote:
>> Hi all,
>>
>> After 88 emails we don't have a conclusion in the other thread (see
>> [1] for background). But we have to come to some conclusion or another
>> if we want @ to exist :-)
Charles R Harris wrote:
> Well, I this point I think we might as well go with left associativity.
> Most of the operator uses looked to involve a single `@`, where it doesn't
> matter, and the others were short where adding a couple of parenthesis
> wouldn't mess things up too much.
That is wha
Hi All,
It is time to start looking forward to the 1.9.0 release. Currently there
are some 76 open PRs and they keep rolling in, which is good, but we need
to decide on what is important for 1.9 and what can be put off to 1.10
because otherwise we will never finish. The datetime problems and some
On Sat, Mar 22, 2014 at 12:13 PM, Nathaniel Smith wrote:
> Hi all,
>
> After 88 emails we don't have a conclusion in the other thread (see
> [1] for background). But we have to come to some conclusion or another
> if we want @ to exist :-). So I'll summarize where the discussion
> stands and let'
Hi,
On 22 March 2014 19:13, Nathaniel Smith wrote:
> Hi all,
>
> After 88 emails we don't have a conclusion in the other thread (see
> [1] for background). But we have to come to some conclusion or another
> if we want @ to exist :-). So I'll summarize where the discussion
> stands and let's see
On Sat, Mar 22, 2014 at 6:13 PM, Nathaniel Smith wrote:
> Hi all,
>
> After 88 emails we don't have a conclusion in the other thread (see
> [1] for background). But we have to come to some conclusion or another
> if we want @ to exist :-). So I'll summarize where the discussion
> stands and let's
Hi Nate,
Many thanks first for the efforts you put in this.
I'm not a computer scientist, but will give my opinion as physicist.
As such, when I see A x B x C (A, B and C being matrices), I tend to read it
from right to
left : Ax (BxC).
But if the size of the matrices do not match like this, t
On 2014/03/22 8:13 AM, Nathaniel Smith wrote:
> Hi all,
>
> After 88 emails we don't have a conclusion in the other thread (see
> [1] for background). But we have to come to some conclusion or another
> if we want @ to exist:-). So I'll summarize where the discussion
> stands and let's see if we ca
On Sat, Mar 22, 2014 at 2:13 PM, Nathaniel Smith wrote:
> If you think of some other arguments in favor of left-associativity,
> then please share!
>
I argued on python-ideas [1] that given the display properties of python
lists and numpy arrays, vec @ Mat is more natural than Mat @ vec. The
la
Hi all,
After 88 emails we don't have a conclusion in the other thread (see
[1] for background). But we have to come to some conclusion or another
if we want @ to exist :-). So I'll summarize where the discussion
stands and let's see if we can find some way to resolve this.
The fundamental questi
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