数学建模,马尔科夫链,论文
end case 3
switch Z(i+2) case 1
F2(3,1)=F2(3,1)+1; case 2
F2(3,2)=F2(3,2)+1; case 3
F2(3,3)=F2(3,3)+1; case 4
F2(3,4)=F2(3,4)+1; end case 4
switch Z(i+2) case 1
F2(4,1)=F2(4,1)+1; case 2
F2(4,2)=F2(4,2)+1; case 3
F2(4,3)=F2(4,3)+1; case 4
F2(4,4)=F2(4,4)+1; end end end
for i=1:4 %计算 for j=1:4
P2(i,j)=F2(i,j)/sum(F2(i,:)); end end
for i=1:length(Z)-3 %计算 switch Z(i) case 1
switch Z(i+3) case 1
F3(1,1)=F3(1,1)+1; case 2
F3(1,2)=F3(1,2)+1; case 3
F3(1,3)=F3(1,3)+1; case 4
F3(1,4)=F3(1,4)+1; end case 2
2步转移概率矩阵P2 3步转移频数矩阵F3
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