【Definition】An algorithm is a finite set of instructions that, if followed, accomplishes a particular task. In addition, all algorithms must satisfy the following criteria: (1) Input There are zero or more quantities that are externally supplied

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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

The Futurist http://www.wfs.org/futurist.htm, a bi￾monthly magazine of predictions, trends and ideas published since 1967, takes no position on what the future will or should be but acts simply as a clearing house for ideas

Stage 1: Warming-up Activities Stage 2: Reading-Centred Activities Stage 3: Vocabulary Exercises Stage 4: Translating and Writing

在求一个数字矩阵A的特征值和特征向量时曾出现过-矩阵AE-A,我们 称它A为的特征矩阵这一节的主要结论是证明两个nxn数字矩阵A和B相似的 充要条件是它们的特征矩阵E-A和AE-B等价. 引理1如果有nxn数字矩阵PQ使 ME-A=(ME-B)

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

定理7设A是n维线性空间V的一个线性变换A的矩阵可以在某一基下为 对角矩阵的充要条件是A有n个线性无关的特征向量. 定理8属于不同特征值的特征向量是线性无关的 推论1如果在n维线性空间V中,线性变换的特征多项式在数域P中有n 个不同的根,即A有n个不同的特征值,那么A某组基下的矩阵是对角形的 推论2在复数上的线性空间中,如果线性变换A的特征多项式没有重根