定义:对于An,若有B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

Unit seven Making a living Teaching Period 10(1-2) Reference book:(New)Integrated Course 3 Student's and Teaching's book Teaching Method: Combining explanation and practice To understand the read ing material (Text A)

23 F.E. and B.E. Meshing Algorithms 23.1 General 23.1.1 Finite Element Method(FEM) 23.1.2Mesh 23. 1.3 Some Criteria for a Good Meshin 23. 1.4 Finite Element Analysis in a CAD Environment

21 Object Matching 21.1 Various matching methods ..ti 21.2 Methods through localization/registration 21.3 Classification of matching methods 21.4 Problem statement. 21.4.1 Distance metric 21.4.2 Distance between a point and a parametric surface 21.4.3 Distance metric function 21.5 Matching problems: CGWOS, CPWOS, CGWS or CPWS

一、选择题 1．（B） 2．（C） 3．（C） 4．（C） 5．（A） 6．（B） 7.（D） 8．（D） 9．（D） 10．（A）

第二讲矩阵的运算 复习:一、加法。 二、数乘。 三、矩阵与矩阵相乘。 四、转置矩阵 新授: 五、方阵的行列式 定义由n阶方阵A的元素所构成的n阶行列式(各元素 的位置不变),称为方阵A的行列式。记作A或detA (determinant). 注意:方阵与其行列式不同,前者为数表,后者为数值。 运算律: (1)A|=A(行列式性质1) (2) kA=k\A() (3)|AB|=|B(证明较繁)

1. Constant Power and Thrust: Prescribed Mission Time Starting with a mass M0 , and operating for a time t an electric thruster of jet speed c, such as to accomplish an equivalent (force-free) velocity change of ∆V , the final

DEFINE the terms organizational culture socialization. and career OEXPLAIN it is too simplistic to assume tha managers can state that they are creating a firm's culture ODESCRIBE the relationship between a society's culture and organizational culture OIDENTIFY specific practices and programs used by organizations to facilitate socialization

Objectives of the class (1)A better understanding of \writing\ (2)A better understanding of what the students have brought into the

8-1 LED 显示器接口 8-2 键盘与单片机接口 8-3 D/A转换器接口 8-4 A/D转换器接口