數(shù)學(xué)期望在經(jīng)濟(jì)決策中的應(yīng)用

信息計(jì)算科學(xué)論文編號:XXLW047 論文字?jǐn)?shù):9538,頁數(shù):22

目  錄
中文摘要  i
英文摘要  ii
目 錄 .........iii
第一章  前言 1
1.1 論文研究的背景和意義 1
第二章 隨機(jī)變量的數(shù)字特征 2
2.1 數(shù)學(xué)期望的定義 2
2.1.1 離散隨機(jī)變量的數(shù)學(xué)期望 2
2.1.2連續(xù)隨機(jī)變量的數(shù)學(xué)期望 2
2.1.3 隨機(jī)變量函數(shù)的數(shù)學(xué)期望 3
2.2 方差的定義 3
2.4 求解期望的常用MATLAB函數(shù) 5
第三章 利用數(shù)學(xué)期望作經(jīng)濟(jì)決策的方法 6
3.1 經(jīng)濟(jì)決策的基本原則 6
3.2 經(jīng)濟(jì)決策的基本程序 7
3.3 期望值的決策法 7
第四章 數(shù)學(xué)期望在經(jīng)濟(jì)決策舉例 9
4.1 商店最優(yōu)進(jìn)貨案例 9
4.2 決策者的偏好因素的影響案例 11
4.3 數(shù)學(xué)期望在解決民事糾紛中的應(yīng)用 12
4.4多級風(fēng)險(xiǎn)決策 14

第五章 結(jié)論 17
致  謝 18
參考文獻(xiàn) 19

摘    要
    數(shù)學(xué)期望是反映隨機(jī)變量總體取值的平均水平的一個(gè)重要的數(shù)字特征。在經(jīng)濟(jì)生活中, 有許多問題都可以直接或間接的利用數(shù)學(xué)期望來解決。本文從數(shù)學(xué)期望的內(nèi)涵出發(fā)，對數(shù)學(xué)期望在經(jīng)濟(jì)決策中的運(yùn)用進(jìn)行了簡明分析。首先本文通過幾個(gè)例子說明數(shù)學(xué)期望的計(jì)算方法和計(jì)算步驟。在第二部分描述經(jīng)濟(jì)決策的基本原則和求解基本步驟后，將數(shù)學(xué)期望與經(jīng)濟(jì)問題結(jié)合，用具體實(shí)例說明利用數(shù)學(xué)期望方法解決經(jīng)濟(jì)決策的可行性。最后，利用數(shù)學(xué)期望建立商家進(jìn)貨最優(yōu)模型，投資者偏好因素問題，民事訴訟問題和多項(xiàng)決策問題，以數(shù)學(xué)期望值作為盈利值，體現(xiàn)了數(shù)學(xué)期望在經(jīng)濟(jì)決策問題中的應(yīng)用。
關(guān)鍵字：數(shù)學(xué)期望 經(jīng)濟(jì)決策 盈利值

Abstract
 Mathematical expectation is a reflection of the overall value of random variables, the average level of an important figure.In the economy life, there are many problems can be directly or indirectly using mathematical expectation to solve..From the content of mathematical expectation, it analysises the mathematical expectation in economic decision-making.Through some examples to explain the solving ways and steps about mathematical expectation from this article. In the second part, it describes economy decisions’ fundamental and solving steps, it also combines mathematical expectation and economy problems, uses some examples to show the feasibility of using mathematical expectation method to answer economy decisions. Finally, depending on mathematical expectation to the establish the merchant supplies the best model, investors, civil litigation preferences factors and various decision-making problem in mathematics as a profitable expectations, the problem in mathematics to the application of economic decision-making.
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Keywords: Mathematical expectation; Economic decision-making ;Profit value