On Mar 16, 10:47 pm, Alec Mihailovs alec.mihail...@gmail.com wrote:
By the way, vector doesn't work with integer numpy arrays,
from numpy import array
vector(array([1,2]))
Traceback (most recent call last):
That shouldn't be too hard to implement - in particular, the following
works,
sage:
On Mon, Mar 15, 2010 at 10:16 PM, Jason Grout
jason-s...@creativetrax.com wrote:
Whoever takes care of this original issue gets to claim a 3-digit ticket!
http://trac.sagemath.org/sage_trac/ticket/261
Patch up for review.
--Mike
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On Mar 16, 2:32 am, Mike Hansen mhan...@gmail.com wrote:
On Mon, Mar 15, 2010 at 10:16 PM, Jason Grout
jason-s...@creativetrax.com wrote:
Whoever takes care of this original issue gets to claim a 3-digit ticket!
http://trac.sagemath.org/sage_trac/ticket/261
Patch up for review.
--Mike
On Tue, Mar 16, 2010 at 12:38 PM, Alec Mihailovs
alec.mihail...@gmail.com wrote:
Will it work as matrix(5,f) as well, or only as matrix(5,5,f) ?
It now works with both.
--Mike
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On Mar 16, 3:57 pm, Mike Hansen mhan...@gmail.com wrote:
On Tue, Mar 16, 2010 at 12:38 PM, Alec Mihailovs
alec.mihail...@gmail.com wrote:
Will it work as matrix(5,f) as well, or only as matrix(5,5,f) ?
It now works with both.
--Mike
That's great!
What about vector(3,f), f.vector(3), and
On Tue, Mar 16, 2010 at 1:06 PM, Alec Mihailovs
alec.mihail...@gmail.com wrote:
What about vector(3,f), f.vector(3), and f.matrix(3,4) or
f.matrix(5) ?
I didn't do anything about vector() -- I could probably get to it later.
There's no good way to make a syntax like f.matrix() or f.vector()
By the way, vector doesn't work with integer numpy arrays,
from numpy import array
vector(array([1,2]))
Traceback (most recent call last):
File stdin, line 1, in module
File _sage_input_60.py, line 5, in module
vector(array([_sage_const_1 ,_sage_const_2 ]))
File , line 1, in module
On Mar 15, 3:39 am, Alec Mihailovs alec.mihail...@gmail.com wrote:
The second problem is that something strange happens for 1x1 matrices,
with any dtype,
matrix(fromfunction(lambda i,j:i-j,(1,1),dtype=int))
[]
matrix(fromfunction(lambda i,j:i-j+3,(1,1),dtype=int))
[0 0 0]
[0 0 0]
[0 0
Am Montag, den 15.03.2010, 00:48 -0700 schrieb Alec Mihailovs:
On Mar 15, 3:39 am, Alec Mihailovs alec.mihail...@gmail.com wrote:
The second problem is that something strange happens for 1x1 matrices,
with any dtype,
matrix(fromfunction(lambda i,j:i-j,(1,1),dtype=int))
[]
On Mon, Mar 15, 2010 at 10:32 AM, Eckhard Kosin
e...@mathematik-service-kosin.de wrote:
sage: fromfunction(lambda i,j:i-j+3,(1,1),dtype=int)
---
NameError Traceback (most recent call
last)
That could be also done as
from numpy import fromfunction
matrix(fromfunction(lambda i,j:i-j, (6,6), dtype=int))
[ 0 -1 -2 -3 -4 -5]
[ 1 0 -1 -2 -3 -4]
[ 2 1 0 -1 -2 -3]
[ 3 2 1 0 -1 -2]
[ 4 3 2 1 0 -1]
[ 5 4 3 2 1 0]
_.parent()
Full MatrixSpace of 6 by 6 dense matrices over
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