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Wolfram|Alpha doesn't understand ln(erf(x))?

Posted 1 month ago
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It doesn't understand "ln(erf(x))", but it does understand "erf(ln(x))". I've tried both natural language and math input with the same result.

Posted 1 month ago

It does seem to understand

plot log(erf(x)) for x=0 to 2

and

roots log(erf(x)) == -x

but doesn't seem to understand some other queries.

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