在Python中计算函数的逆误差函数(erf)的命令是什么?需要导入哪个模块?
For the inverse误差函数,scipy.special
has erfinv
:
http://docs.scipy.org/doc/scipy/reference/ generated/scipy.special.erfinv.html#scipy.special.erfinv http://docs.scipy.org/doc/scipy/reference/generated/scipy.special.erfinv.html#scipy.special.erfinv
In [4]: from scipy.special import erfinv
In [5]: erfinv(1)
Out[5]: inf
In [6]: erfinv(0.4)
Out[6]: 0.37080715859355784
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