q_funct.m

用于模拟时变非平稳的ARMA过程

function Q= q_funct(x)
% function Q= q_funct(x)
%   This file is part of the TFPM toolbox v0.9 (c)
%   [e-mail] and underlies the GPL.
% 
% Computes the Q-function (Pr[X>x] for a std. Gaussian). 

Q= erfc(x/sqrt(2))/2;