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Extra \cdot in LaTeX output for Mul between a numeric power and a polynomial with numeric coefficient since SymPy 1.10 #26540

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Extra \cdot in LaTeX output for Mul between a numeric power and a polynomial with numeric coefficient since SymPy 1.10 #26540

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9 changes: 8 additions & 1 deletion sympy/printing/latex.py
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Original file line number Diff line number Diff line change
Expand Up @@ -558,7 +558,14 @@ def convert_args(args) -> str:

_tex += term_tex
last_term_tex = term_tex
return _tex

# Debug output before modification
# print("Original LaTeX:", _tex)
pattern = r'(\^\{[\d]+?\})\s*\\cdot\s*(\\left\(.+?\\right\))'
modified_latex = re.sub(pattern, r'\1 \2', _tex)
# print("Modified LaTeX:", modified_latex)
return modified_latex
Comment on lines +562 to +567
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The erroneous code should not be generated in the first place. Attempting to fix it afterwards with a regex is not the right fix.

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@oscarbenjamin How do you propose to fix it properly?

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You would need to find the source of the incorrect \cdot and fix it.



# Check for unevaluated Mul. In this case we need to make sure the
# identities are visible, multiple Rational factors are not combined
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