On Tue, Jun 2, 2009 at 12:04 PM, Ryan Krauss wrote:
> I was thinking the same thing about making it work for all printers.
>
> I will read the patch howto tomorrow and hopefully submit shortly after
> that
Ok, excellent. If you need any help with git, just ask.
Ondrej
--~--~-~--~-
I was thinking the same thing about making it work for all printers.
I will read the patch howto tomorrow and hopefully submit shortly after
that
On Tue, Jun 2, 2009 at 12:30 PM, Ondrej Certik wrote:
> On Tue, Jun 2, 2009 at 8:25 AM, Ryan Krauss wrote:
> > OK, there is probably a cleaner w
On Tue, Jun 2, 2009 at 8:25 AM, Ryan Krauss wrote:
> OK, there is probably a cleaner way to implement this, but the following
> seems to be working:
>
> def _print_Add(self, expr):
> args = list(expr.args)
> if self._mainvar is not None:
> mainvar = self._mainvar
>
OK, there is probably a cleaner way to implement this, but the following
seems to be working:
def _print_Add(self, expr):
args = list(expr.args)
if self._mainvar is not None:
mainvar = self._mainvar
def compare_exponents(a, b):
p1, p2, p3
OK, I further hacked up compare_exponents and think I have a solution:
def compare_exponents(a, b):
print('')
print('a = %s' % a)
print('b = %s' % b)
print('mainvar = %s' % mainvar)
p1, p2, p3 =
I have an approach. It is fairly rough and not completely working:
In printing/latex.py
def latex(expr, inline=True, matstr=None, matdelim=None, \
mainvar=None, descending=False):
if inline:
if matstr is None:
matstr = 'smallmatrix'
if matdelim is None:
Thanks. I think I understand what this code does. How do you want it
patched? Am I just writing my own alternative to sympy.latex? Are mainvar
and descending keyword arguments to sympy.latex or some other printing
function? I assume not everyone wants their polynomials in order of
descending p
On Mon, Jun 1, 2009 at 9:33 PM, Ryan Krauss wrote:
> So, I think I have a good test and a better understanding of the problem:
>
> mylist = ['m', 's', 'b', 'x', 'y', 's', 'x', 'y', 's', 'EI']
> sympy.var(mylist)
> test = m*s**2+b*x*y*s+x**2+y**2+s+EI
> args = list(test.args)
> args.sort(sympy.Bas
So, I think I have a good test and a better understanding of the problem:
mylist = ['m', 's', 'b', 'x', 'y', 's', 'x', 'y', 's', 'EI']
sympy.var(mylist)
test = m*s**2+b*x*y*s+x**2+y**2+s+EI
args = list(test.args)
args.sort(sympy.Basic._compare_pretty)
args.reverse()
This doesn't get my list in t
On Mon, Jun 1, 2009 at 3:39 PM, Ryan Krauss wrote:
> So, when would just adding an args.reverse() breakdown:
>
> den3 = s**4*m1*m2+k*s**2*m2+Gc*k
> args = list(den3.args)
> args.sort(sympy.Basic._compare_pretty)
> args.reverse()
>
> seems to produce the ordering that I want. Adding the reverse l
So, when would just adding an args.reverse() breakdown:
den3 = s**4*m1*m2+k*s**2*m2+Gc*k
args = list(den3.args)
args.sort(sympy.Basic._compare_pretty)
args.reverse()
seems to produce the ordering that I want. Adding the reverse line to
str.py and latex.py _print_Add methods seems to work. But o
That sounds good, but what do you mean by
"write a sympy code that orders the list of arguments of the Add instance
above, which it is easy -- you just order it with respect to 's'"
I understand that that is what I want to do, but how do I get started coding
it up?
On Mon, Jun 1, 2009 at 3:29 PM,
On Mon, Jun 1, 2009 at 2:24 PM, Ryan Krauss wrote:
> I have a sympy result:
>
> In [57]: x1_res_up
> Out[57]: Gc*k*xd/(Gc*k + k*m1*s**2 + k*m2*s**2 + m1*m2*s**4)
>
> In [58]: type(x1_res_up)
> Out[58]:
>
> but I would like the denominator to print in decending powers of s:
>
> Gc*k*xd/(m1*m2*s**
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