1.Objectives of this lecture; 2.know how to polish and refine sentences a. sentence unity b. long and short sentences c. loose and periodic sentences

1 a) Buy IBX stock in Tokyo and simultaneously sell them in NY, and your arbitrage profit is $2 per share. b)The prices will converge. c)Instead of the prices becoming exactly equal, there can remain 1%% discrepancy between

1.Objectives of this lecture; 2.know how to polish and refine sentences a. sentence unity b. long and short sentences c. loose and periodic sentences

1) (a)Study DC motors, (b) Servo motors 2) Study Stepping Motors 3) Study open-loop and closed-loop control 4) Control methods – I) Proportional feedback control – II) PID (proportional-integral-derivative) control

Multiple Choice If one person can perform a task in fewer hours than another, you know the person has in performing the task. a. an absolute advantage. b. a comparative advantage. C. both a comparative advantage and an absolute advantage. rd. neither an absolute nor a comparativ advantage

Section A Environmental Protection Throughout the World Section B Green Spaces in Cities Section C Earth--aLiving Planet

Lead-in Questions 1. Are you iron deficient 2 How would you know? a, tired b have reduced ability to exercise. C have poor stamina d get frequent infections e are lethargIc

Lead-in Questions 1. Are you iron deficient 2. How would you know? a. tired b. have reduced ability to exercise. C. have poor stamina d. get frequent infections e. are lethargic

Monte Carlo Integration Hit and miss method:Algorithm: （ 1) generate N uniform random numbers, (i=1, 2,..., N), on(a,b) and N uniform random numbers, (i=1, 2,..., N), on (0,c); （2) calculate g() and count the number of cases, Nhit for whichg() （3)I can be estimated by

2.3逆矩阵 定义:对于Ann,若有Bn满足AB=BA=E,则称A为可逆矩阵, 且B为A的逆矩阵,记作A-1=B. 定理1若A为可逆矩阵,则A的逆矩阵唯一 证设B与C都是A的逆矩阵,则有