Am 25.02.2015 um 22:35 schrieb Paul Royik:
But then, when I substitute positive symbol back to normal:
symbols = f.free_symbols
for symbol in symbols:
f = f.subs(symbol, sympy.Symbol(symbol.name))
It still shows log(x), isntead of log(|x|)
Maybe that's a bug.
I'm not sure how to make SymPy print the assumptions for a symbol; that
should help verify what's actually going on.
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