回答編集履歴
1
型修正
test
CHANGED
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@@ -22,7 +22,7 @@
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22
22
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def LogCombine(expr):
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def f(rv):
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if rv.is_Add:
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25
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-
logs = defaultdict(lambda:
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25
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+
logs = defaultdict(lambda: S.One)
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other = []
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for arg in rv.args:
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if isinstance(arg, Log):
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@@ -30,7 +30,7 @@
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else:
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other.append(arg)
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for (base, antilog) in logs.items():
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33
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-
if antilog.is_rational and antilog.numerator ==
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33
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+
if antilog.is_rational and antilog.numerator == 1:
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other.append(-Log(base, antilog.denominator))
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else:
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other.append(Log(base, antilog))
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