#5711: [with patch, needs review] Enhanced Typesetting of Symbolic Functions
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Reporter: gmhossain | Owner: cwitty
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.4.2
Component: misc | Keywords: Enhance Typesetting, LaTeX, Symbolic
Functions
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Here is a patch that enhances current typesetting capability
of symbolic functions within sage.
This issue has been under a long discussion in the thread
http://groups.google.com/group/sage-
devel/browse_thread/thread/a51f269f057d8223/536b4ef2493bb20c
Main enhancements are:
(1) Symbolics functions with name in Greek letters (with possible
suffixes), are typeset nicely in LaTeX.
Ex: psi(x) => \psi(x)
(2) Functions such as "diff", "integrate", "limit", "conjugate",
"laplace", "inverse_lapse" are now typeset within Sage itself.
Ex: psi(x).conjugate() => {\psi}^*(x)
(3) Default (fall-back) typesetting for unknown functions (as
in Maxima).
Ex: myfn(x) => {\it myfn}(x)
(4) Allows users to define their own/custom LaTeX expression
for any symbolic functions via a new method "set_latex()" for
the class SymbolicFunctionEvaluation.
Ex:
{{{
var('t');
hubble(t) = function('hubble',t)
hubble(t).set_latex('\\mathcal{H}')
#To reset custom LaTeX expression
hubble(t).set_latex()
}}}
(5) If the arguments of a symbolic function are all symbolic
variables then typesetting will avoid using \left(, \right).
Ex: Phi(x,y) => \Phi(x, y) (if x,y are symbolic vars)
Note: You need to apply a small patch
http://trac.sagemath.org/sage_trac/ticket/5678
before you apply the attached patch. This patch is
created using sage-3.4.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5711>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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