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This is a follow-up to #5793.
CC: @nathanncohen @rlmill
Component: **documentation**
Author: **Minh Van Nguyen**
Reviewer: **Nathann Cohen, Alex Ghitza**
Merged: **Sage 4.1.1.rc2**
_Issue cre…
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This is right:
```
sage: integrate(x, x,-1,1)
0
```
This error message (which is because I forgot to give the variable of integration) is
completely broken. The "raise err" line in the source code…
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On an Itanium:
```
sage -t devel/sage/sage/calculus/calculus.py
**********************************************************************
File "/home/mabshoff/build-3.2.a2/sage-3.2.alph…
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This patch depends on #4432. It replaces the factorial in sage.rings.arith with the symbolic
version of #4432 in sage.calculus.calculus.
For now sage.rings.arith.factorial is just renamed to factor…
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The current minpoly algorithm on symbolic objects is slow and often fails. This patch makes it work in many more cases, as well as implementing better conversion into QQbar.
Component: **calculu…
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For example:
```
sage: var('n,m')
(n, m)
sage: assume(n, m, 'integer')
sage: sin(n*m*pi)
0
sage: forget()
sage: sin(n*m*pi)
sin(pi*m*n)
```
Component: **calculus**
_Issue created by migration fr…
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This attached patch makes several changes to
`sage/rings/number_field/number_field.py` and
`sage/rings/number_field/morphism.py` that are mainly concerned with
improving performance for cyclotomic f…
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This is from Hector:
```
I also hit this bug while doing this (taken from the "piecewise"
documentation):
sage: f1 = lambda x:-1
sage: f2 = lambda x:2
sage: f = Piecewise([[(0,pi/2),f1],[(pi/2,pi)…
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Below are the SAGE doctest errors so far that I don't see an obvious cause of:
- CRT gives the wrong answer
- modular symbols in ambient.py get wrong answers
- Many constants are rounded in constan…
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```
On Dec 25, 2007 9:18 AM, David Joyner wrote:
>
> Hi:
>
> (a) I'm not sure if this is a bug or something missing, but it seems
> to me it should be easy to plot y=arccsc(x) in SAGE, since it
> …