CommandsinverseErfOn this pageinverseErf inverseErf (x) The inverseErf function returns the inverse of the error function. Details The function is calculated using rational approximations in several regions followed by one iteration of Halley's algorithm. See Also Statistical Analysis erf, erfc, erfcw, dawson, inverseErfc StatsNormalPDF, StatsNormalCDF, StatsInvNormalCDF