非数值处理的对象基本上是字符串数据 串( string)(或称字符串) 由零个或多个字符组成的有限序列 记为:s=a1a2an’(n>=0) a;1(1<=i<=n)是字母,数字或其它字符 n称为串的长度,n=0的串称为空串( Null string) 子串一—串中任意个连续字符组成的子序列 包含子串的串叫主串

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1、行列式 1.n行列式共有n2个元素,展开后有n!项,可分解为2行列式 2.代数余子式的性质: ①、A,和a的大小无关 ②、某行(列)的元素乘以其它行(列)元素的代数余子式为0; ③、某行(列)的元素乘以该行(列)元素的代数余子式为|A| 3.代数余子式和余子式的关系:M=(-1)AA=(-1)M 4.设n行列式D:

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The causes of acceleration of a system--The first law of motion states that zero total force exists when the system has a constant velocity; a nonzero total force on the system causes its acceleration

9.1概述 9.2D/A转换接DAC0832 9.3模/数转换器ADC0809

Eco514 Game Theory Lecture 12: Repeated Games(1) Marciano Siniscalchi October 26, 1999 Introduction [By and large, I will follow OR, Chap. 8, so I will keep these notes to a minimum.] The theory of repeated games is double-edged sword. On one hand, it indicates how payoff profiles that are not consistent with Nash equilibrium in a simultaneous-move game might be achieved when the latter is played repeatedly, in a manner consistent with Nash or

At the beginning of the 20th century diabetic women suffered from- infetility, and the rare women achieving pregnancy faced a poor prognosis. Maternal death'was a real threat,and perinatal survival a more 40 percent

Term Structure models Blacks model is concerned with describing the probability distribution of a single variable at a single point in time a term structure model describes the evolution of the whole yield curve