On Apr 5, 2010, at 9:44 PM, William Stein wrote:
On Mon, Apr 5, 2010 at 9:12 PM, Michael Welsh
yom...@yomcat.geek.nz wrote:
On 6/04/2010, at 3:56 PM, Eugene Goldberg wrote:
Hello!
Here is my pyhtons results:
python
Python 2.6.5 (r265:79063, Mar 23 2010, 04:49:54)
[GCC 4.4.3] on linux2
On Apr 5, 11:56 pm, Eugene Goldberg omegat...@gmail.com wrote:
Python 2.6.5 (r265:79063, Mar 23 2010, 04:49:54)
6e-6 % 10e-6
6.0002e-06
Sage Version 4.3.5, Release Date: 2010-03-28
sage: 6e-6 % 10e-6
-4.00e-6
I'm sure sage is wrong.. :(
As William Stein said,
On Apr 6, 2:00 am, Robert Bradshaw rober...@math.washington.edu
wrote:
I would be in favor of following Python's conventions here--they at
least seem more natural to me (after all, % is related to floor
division not round division. :)
Also, currently 2==2., 3==3., but 2%3 is 2 and 2.%3.
Thank you for the answer...I have some question:
-I have gf=I.groebner_fan(); where I is a 0-dimentional ideal. Now gf
has the function gf.weight_vectors(); This returns the weight vectors
corresponding to the reduced Groebner bases. I try to call
polyedralfan() but it raises an error...maybe
sage
Sage Version 4.3.5, Release Date:
2010-03-28
sage: 1+1
2
sage: 6e-6 % 10e-6
-4.00e-6
I'm sure sage is wrong.. :(
They're both the same...
No they aren't.
If you type
sage: s = 6e-6
sage: s.__mod__??
then you can read the documentation for Sage's
If one wants to have the same answer as Python does (always nonnegative),
then function math.fmod can be used. For example,
sage: from math import fmod
sage: fmod(6e-6,10e-6)
6.0002e-06
first Python does not always give a nonnegative result:
(6e-6) % (-10e-6)
On Apr 6, 2010, at 12:17 AM, Paul Zimmermann wrote:
If one wants to have the same answer as Python does (always
nonnegative),
then function math.fmod can be used. For example,
sage: from math import fmod
sage: fmod(6e-6,10e-6)
6.0002e-06
first Python does not always give a
Can you post the system you are working with? Or if its very large,
post a link to a file? I don't work over finite fields myself, so the
current implementation is probably very biased towards QQ. It would
help me to see a real life example.
Thanks,
Marshall Hampton
On Apr 6, 2:04 am, Andrea
Hi all,
My first post...
I seem to be having trouble with solving for x in the following:
sage: d = sqrt(x^2 + 5^2)
sage: D = sqrt((20-x)^2 + 10^2)
sage: T = d + D; T
sqrt(x^2 + 25) + sqrt((x - 20)^2 + 100)
sage: diff(T, x)
(x - 20)/sqrt((x - 20)^2 + 100) + x/sqrt(x^2 + 25)
sage: solve((x -
Hi
sage: solve((x - 20)/sqrt((x - 20)^2 + 100) + x/sqrt(x^2 + 25) == 0,
x, to_poly_solve=True)
[x == (20/3)]
Robert M.
On 6 dub, 15:09, Danread5 danre...@me.com wrote:
Hi all,
My first post...
I seem to be having trouble with solving for x in the following:
sage: d = sqrt(x^2 + 5^2)
btw: the previous output is _, you can write solve(_,x) on your line.
And another calculation could look like this, in other word, we have
in fact to solve quadratic equation.
sage: d = sqrt(x^2 + 5^2)
sage: D = sqrt((20-x)^2 + 10^2)
sage: T = d + D; T
sqrt(x^2 + 25) + sqrt((x - 20)^2 + 100)
Hi, using SAGE 4.1:
%timeit('for k in xrange(2,10): factor(3+10^k)')
625 loops, best of 3: 1.08 ms per loop
Traceback (most recent call last):
File stdin, line 1, in module
File /home/notebook/sage_notebook/worksheets/admin/18/code/65.py,
line 6, in module
print
Hello
On Tue, Apr 6, 2010 at 12:02 PM, Rolandb rola...@planet.nl wrote:
Hi, using SAGE 4.1:
%timeit('for k in xrange(2,10): factor(3+10^k)')
625 loops, best of 3: 1.08 ms per loop
Traceback (most recent call last):
...
AttributeError: 'NoneType' object has no attribute 'eval'
This works
On Tue, Apr 6, 2010 at 12:02 PM, Rolandb rola...@planet.nl wrote:
Hi, using SAGE 4.1:
%timeit('for k in xrange(2,10): factor(3+10^k)')
625 loops, best of 3: 1.08 ms per loop
Traceback (most recent call last):
File stdin, line 1, in module
File
On Apr 6, 9:09 am, Danread5 danre...@me.com wrote:
sage: d = sqrt(x^2 + 5^2)
sage: D = sqrt((20-x)^2 + 10^2)
sage: T = d + D; T
sqrt(x^2 + 25) + sqrt((x - 20)^2 + 100)
sage: diff(T, x)
(x - 20)/sqrt((x - 20)^2 + 100) + x/sqrt(x^2 + 25)
sage: solve((x - 20)/sqrt((x - 20)^2 + 100) +
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