Comment #1 on issue 1843 by smichr: Increase coverage of ode.py
http://code.google.com/p/sympy/issues/detail?id=1843
I only looked at the ode part and would add the following (besides the
comments that
I made on your github page).
Here are some typos:
-# here
Comment #1 on issue 1838 by smichr: Add support for [0]*S(5), etc.
http://code.google.com/p/sympy/issues/detail?id=1838
This works in python from the left or right.
2*[1,2,3]
[1, 2, 3, 1, 2, 3]
[1,2,3]*2
[1, 2, 3, 1, 2, 3]
2*'o'
'oo'
For sympy, however, we might want to override that
Comment #3 on issue 1838 by asmeurer: Add support for [0]*S(5), etc.
http://code.google.com/p/sympy/issues/detail?id=1838
The motivation was this conversation on IRC:
xvedejas joined the chat room.
[11:43am] xvedejas: can anyone here help me with sympy?
[11:43am] xvedejas: it seems to have
Comment #4 on issue 1838 by smichr: Add support for [0]*S(5), etc.
http://code.google.com/p/sympy/issues/detail?id=1838
In objection to my comment, we could reserve one of the sides (preferrably
right) for
the normal scalar behavior of python so [0]*S(2) would give [0, 0] and if
someone
Comment #2 on issue 1843 by asmeurer: Increase coverage of ode.py
http://code.google.com/p/sympy/issues/detail?id=1843
Could you make a patch with all of these changes, to be applied on top of
my branch? That would be easier.
Comments:
Typos: Thanks for the catches. I always remember to
Updates:
Labels: NeedsReview
Comment #1 on issue 1837 by smichr: 0**(x-2) becomes (oo)**(2-x)
http://code.google.com/p/sympy/issues/detail?id=1837
commit 1837 in smichr's 1766 branch at github retains the above behavior
but doesn't
let the exponent and multinomial expansions
