scipy.special.erfi#

scipy.special.erfi(z, out=None) = <ufunc 'erfi'>#

虚数误差函数,-i erf(i z)

参数:
zarray_like

实数或复数值参数

ndarray,可选

函数结果的可选输出数组

返回:
标量或ndarray

虚误差函数的值

参见

erf, erfc, erfcx, dawsn, wofz

注释

Added in version 0.12.0.

参考文献

[1]

Steven G. Johnson, Faddeeva W 函数实现。http://ab-initio.mit.edu/Faddeeva

示例

>>> import numpy as np
>>> from scipy import special
>>> import matplotlib.pyplot as plt
>>> x = np.linspace(-3, 3)
>>> plt.plot(x, special.erfi(x))
>>> plt.xlabel('$x$')
>>> plt.ylabel('$erfi(x)$')
>>> plt.show()
../../_images/scipy-special-erfi-1.png