phi
Standard-normal PDF value.
Syntax
Section titled “Syntax”v = phi(x)Description
Section titled “Description”Returns the standard-normal density (1 / sqrt(2*pi)) * exp(-x^2/2) at x. Equivalent to norm_s_dist(x, false).
Example
Section titled “Example”phi(0) % 0.3989 (peak)See also
Section titled “See also”norm_s_dist— Standard-normal PDF or CDF.gauss— Probability that a standard-normal value is between 0 andx.