function sigma2 = normalvar(v)% NORMALVAR  Calculate the value of the variance from one%    that is represeted in log scale% Copyright (C) 1999-2000 Antti Honkela, Harri Valpola,% and Xavier Giannakopoulos.%% This package comes with ABSOLUTELY NO WARRANTY; for details% see License.txt in the program package.  This is free software,% and you are welcome to redistribute it under certain conditions;% see License.txt for details.sigma2 = exp(2*(v.e - v.var));