function a = subsasgn(a, index, b)% SUBSASGN implement subscripted assignment for probdists% Copyright (C) 1999-2004 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.% Handle possible other references recursivelyif (length(index) > 1)  b = subsasgn(subsref(a, index(1)), index(2:end), b);endswitch index(1).type case '()'  a.expection(index(1).subs{:})=b.expection;  a.variance(index(1).subs{:})=b.variance; case '.'  switch index(1).subs   case 'e'    a.expection = b;   case 'var'    a.variance = b;   otherwise    error(sprintf('Probdist object does not have element %s', index(1).subs))  end  otherwise  error('Unsupperted function')end