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scipy.special.hankel1e

scipy.special.hankel1e(x1, x2[, out]) = <ufunc 'hankel1e'>

y=hankel1e(v,z) returns the exponentially scaled Hankel function of the first kind for real order v and complex argument z: hankel1e(v,z) = hankel1(v,z) * exp(-1j * z)