Error function – Wikipedia, the free encyclopedia – In mathematics, the error function (also called the Gauss error function) is a special function (non- elementary) of sigmoid shape that occurs in probability ……

Inverse of matrix in R – Stack Overflow – I was wondering what is your recommended way to compute the inverse of a matrix? The ways I found seem not satisfactory. For example, > c=rbind(c(1, -1/4), c(-1/4 ……

Inverse error function – MATLAB erfinv – Mathworks – Examples Inverse Error Function for Floating-Point and Symbolic Numbers. Depending on its arguments, erfinv can return floating-point or exact symbolic results….

5.3 (Sitenko) function ϕ(x) Another function (Sitenko, 1982, p. 24) is ϕ(x), deﬁned only for real argu-ments: ϕ(x) = 2xe−x2 Z x 0 et2 dt (10) so that…

Since the trig functions are all periodic graphs, none of them pass the horizontal line test. Thus, none of the graphs are 1-1 and do not have inverse functions….