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Inverse complementary error function


X = erfcinv(Y)


X = erfcinv(Y) returns the value of the inverse of the complementary error function for each element of Y. Elements of Y must be in the interval [0 2]. The function erfcinv satisfies y = erfc(x) for 2 ≥ y ≥ 0 and −∞ ≥ x ≥ ∞.

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The relationship between the inverse complementary error function erfcinv and the inverse standard normal probability distribution returned by the Statistics Toolbox™ function norminv is:

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