Dawson Dawson_sub Erf Erfc Erfci Erfci_sub Erfi Erfi_sub Fresc Fresc_sub Fress Fress_sub

Erfci() Function Erfci ( Q As  Double, Optional Info As  Long  ) Complementary error function erf(x) inverse Purpose Computes a value x such that q = erfc(x), where q is the specified value of the complementary error function. Returns Double Value of x. Parameters [in] Q Argument q. (0 < Q < 2) [out] Info (Optional) = 0: Successful exit. = -1: The argument Q had an illegal value. (Q <= 0 or Q >= 2) = 1: Floating point range error. Reference boost/math/special_functions