#14266: Simple Ascii-Art
---------------------------------------+------------------------------------
Reporter: elixyre | Owner: was
Type: task | Status: new
Priority: major | Milestone: sage-5.8
Component: user interface | Resolution:
Keywords: ascii-art | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Jean-Baptiste Priez | Merged in:
Dependencies: | Stopgaps:
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Comment (by elixyre):
I don't reinventing the wheel... Then I prefere a nice LaTeX
representation too but with some objects the LaTeX compilation is very
slow.
Then thanks to the method
{{{
sage: sage_input(m)
}}}
I didn't know but... after try...
{{{
sage: R = NonCommutativeSymmetricFunctions(QQ).R()
sage: a = R[1]**3; a
R + R + R + R
* ** * ***
* * **
*
sage: %pcp
'Pretty Console Print' is uninstalled
sage: sage_input(a)
---------------------------------------------------------------------------
ValueError Traceback (most recent call
last)
<ipython-input-10-7eccf1bd1684> in <module>()
----> 1 sage_input(a)
/home/priezjea/sage-5.8.beta4/local/lib/python2.7/site-
packages/sage/misc/sage_input.pyc in sage_input(x, preparse, verify,
allow_locals)
252 if not verify:
253 sib = SageInputBuilder(allow_locals=allow_locals,
preparse=preparse)
--> 254 return sib.result(sib(x))
255
256 # In verify mode, we actually compute and verify the answer
with
/home/priezjea/sage-5.8.beta4/local/lib/python2.7/site-
packages/sage/misc/sage_input.pyc in __call__(self, x, coerced)
540 return SIE_literal_stringrep(self, loc_name)
541 else:
--> 542 raise ValueError, "Can't convert %r to sage_input
form"%x
543
544 def preparse(self):
ValueError: Can't convert R[1, 1, 1] + R[1, 2] + R[2, 1] + R[3] to
sage_input form
}}}
and
{{{
sage: R[1]**3
R[1, 1, 1] + R[1, 2] + R[2, 1] + R[3]
}}}
can be easily be copy.
So I don't say I invented something... I just purpose something to work
(In my case) easily with linear combination.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14266#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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