河北经贸大学学报
河北經貿大學學報
하북경무대학학보
Journal Of Hebei University Of Economics and Trade
2010年
4期
77~79
,共null页
马尔可夫链 决策分析 稳定分布
馬爾可伕鏈 決策分析 穩定分佈
마이가부련 결책분석 은정분포
Markov chain; decision analysis; stable distribution
各种自然状态出现的概率是解决风险型决策问题的关键,自然状态概率分布大小的变化会显著地改变分析结果。因此要提高决策分析的精度就必须设法提高概率分布的估计精度。但以往通过先验概率进行决策,存在准确性不足和浪费大量人力、物力和财力的缺点。将马尔可夫链理论运用到决策过程中,可以既不用花费大量的投入。又能保证决策的准确性。
各種自然狀態齣現的概率是解決風險型決策問題的關鍵,自然狀態概率分佈大小的變化會顯著地改變分析結果。因此要提高決策分析的精度就必鬚設法提高概率分佈的估計精度。但以往通過先驗概率進行決策,存在準確性不足和浪費大量人力、物力和財力的缺點。將馬爾可伕鏈理論運用到決策過程中,可以既不用花費大量的投入。又能保證決策的準確性。
각충자연상태출현적개솔시해결풍험형결책문제적관건,자연상태개솔분포대소적변화회현저지개변분석결과。인차요제고결책분석적정도취필수설법제고개솔분포적고계정도。단이왕통과선험개솔진행결책,존재준학성불족화낭비대량인력、물력화재력적결점。장마이가부련이론운용도결책과정중,가이기불용화비대량적투입。우능보증결책적준학성。
The probability of the occurrence of every natural status is the key to risk decision-making process. The different probability of natural status will affect the analysis result and therefore the estimate of the probability has to be as precise as possible so as to guarantee the accuracy of decision. The decision based on priori probability is not adequately accurate and consumes large amount of human and material investment. The use of Markov chain theory can ensure the accuracy of decision with a relatively small investment.