CODEWITHSUNDEEP
pythonjuliasympy
luchonacho
luchonacho

Reputation: 7167

erfcinv from SymPy not workink with Julia

I am running the following code in IJulia's Notebook:

using Sympy
z = Sym("z");
diff(erfcinv(z),z)

Yet, it yields:

erfinv has no method matching erfinv(::Sym)

erfinv doesn't work either. erf, erfc, and erfi do work. Moreover, if I run erfcinv(0.3), I get a numeric result.

In conclusion, for some reason Julia cannot differenciate erfcinv with symbolim expression, even though it is possible according to SymPy code. I confirmed this since the above differentiation does work in python.

Upvotes: 0

Views: 168

Answers (1)

jverzani
jverzani

Reputation: 5700

Thanks. This was an ommission. The current master now has erfcinv for symbolic values. (What you were finding was the built-in function from base.) If you find other missing features, please post an issue on the github site.

Upvotes: 2

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