divide_by_pot.m

来自「基于matlab的bayes net toolbox,希望对大家能有些帮助」· M 代码 · 共 14 行

function bigpot = divide_by_pot(bigpot, smallpot)
% DIVIDE_BY_POT bigpot /= smallpot for cpot
% bigpot = divide_by_pot(bigpot, smallpot)
%
% smallpot's domain must be a subset of bigpot's domain.

bigpot.g = bigpot.g - smallpot.g;
if sum(smallpot.sizes) > 0
  mask = find_equiv_posns(smallpot.domain, bigpot.domain);
  u = block(mask, bigpot.sizes);
  bigpot.h(u) = bigpot.h(u) - smallpot.h;
  bigpot.K(u, u) = bigpot.K(u, u) - smallpot.K;
end