Status: New
Owner: ----
Labels: Type-Defect Priority-Medium Printing
New issue 3871 by boyfarr...@gmail.com: sympy.printing.latex returns
incorrect latex code for symbol with symbolic superscript and subscript
http://code.google.com/p/sympy/issues/detail?id=3871
If we make a simple equation with symbolic variables defined with names
including superscripts and subscripts,
a,b = symbols("a_{j}^{+},b_{j}^{-}")
f = 1 / (a + b)**2
Calling latex(f) returns correct the correct latex (which compiles fine),
latex(f)
'\\left(a^{{+}}_{{j}} + b^{{-}}_{{j}}\\right)^{-2}'
However, if a substitution is made,
f = f.subs({b:0})
The returned latex code then fails,
latex(f)
a^{{+}}_{{j}}^{-2}
This latex is incorrect, a bracket is need before the squared term e.g.
(a^{{+}}_{{j}})^{-2}
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