qfuncinv
Inverse Q function
Syntax
Description
returns the input argument of the Q function for which the output value of the Q function is
z
= qfuncinv(y
)y
. For more information, see Algorithms.
Examples
Input Arguments
Output Arguments
Algorithms
For a scalar x, the Q function is (1 – f), where f is the result of the cumulative distribution function of the standardized normal random variable. The Q function is defined as
The Q function is related to the complementary error function, erfc, according to
Version History
Introduced before R2006a