myunion.m

马尔可夫过程是一类重要的随机过程,它的原始模型马尔可夫链,由俄国数学家Α.Α.马尔可夫于1907年提出。本程序是对隐马尔可夫模型的一个完整的建模。

function C = myunion(A,B)
% MYUNION Union of two sets of positive integers (much faster than built-in union)
% C = myunion(A,B)

if isempty(A)
  ma = 0;
else
  ma = max(A);
end

if isempty(B)
  mb = 0;
else
  mb = max(B);
end

if ma==0 & mb==0
  C = [];
elseif ma==0 & mb>0
  C = B;
elseif ma>0 & mb==0
  C = A;
else
  %bits = sparse(1, max(ma,mb));
  bits = zeros(1, max(ma,mb));
  bits(A) = 1;
  bits(B) = 1;
  C = find(bits);
end