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一、四维电流密度矢量 1、电荷密度的可变性 电荷是洛伦兹标量,即Q=Q,但电荷密度与体积有关, 必然是一个可变量(设静止密度为P,它是一不变量)。 设带电体与y固连,运动速度为p=Po,dV=dV ∑系观察者测量带电体密度分布为,体积为dV,P
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Task Team of FUNDAMENTAL ACCOUNTING School of Business. Sun Y at-sen University Lesson 11 Understanding Accounting standards Self-Test True and False Questions I. Accounting standards are laws accountants should follow in their work 2. The scandals, such as Enron and the Yinguangxia, happened because the accounting
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Task Team of FUNDAMENTAL ACCOUntING hool of Business, Sun Y at-sen University Lesson notes Lesson 2: Economic Transactions and Accounting Equation Learning objectives This lesson begins with a discussion of the purpose of a business, including a discussion of forms of organizations. Next, the nature of
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Task Team of FUNDAMENTAL ACCOUntING hool of Business, Sun Y at-sen University Lesson notes Lesson 3: Analyzing and Recording Accounting transactions Learning objectives Provide the students with a background of the accounting process to better understand the numbers on the financial statements Define the economic transactions and
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8.1. Independent Firms The downstream firm's problem is max(a-bxc-wT The upstream firm's problem is max(a-2b)3-cr The output is 8.2. Integrated Firm Suppose now that the two firms merge into one firm. This firms problem is max(a-by)y
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Problem set 1 Micro Theory S. Wang Question1.1. Show that“f(X)=f(x),Vx∈R,A>1” implies“f(A)= Af(x),Vx∈R,A>0.” estion 1.2. Use a Lagrange function to solve c(w1, w2, y) for the following problem
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第四章函数的连续性 1连续性概念 例1用E-6方法验证下列函数的连续性: (1)y=x2:(2)
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4.1导数定义和某些初等函数的导数 1.定义设y=f(x)在(a,b)上定义,x∈(a,b),若极限
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Redefining variables Changing the scale of the y variable will lead to a corresponding change in the scale of the coefficients and standard errors. so no change in the significance or interpretation Changing the scale of one x variable will lead to a change in the scale of that coefficient and standard error, so no change in the significance or interpretation Economics 20- Prof anderson
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一、微商概念及其计算 1.求抛物线y=x2在A(1,1)点和B(-2,4)点的切线方程和法线方程
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