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本程序是D.R.J.OWEN主编的FINITE ELEMENTS IN PLASTICITYG一书中第八章例题的有限元程序，网上流传的这个版本的源码里有错误，我把它更正过来了，而且还添加了输入文本。绝对好东西啊。

D.R.J.OWEN的经典著作--< 有限元程序>

balance tree operation

In 1960, R.E. Kalman published his famous paper describing a recursive solution to the discrete-data linear filtering problem. Since that time, due in large part to advances in digital computing, the Kalman filter has been the subject of extensive research and application, particularly in the area o ...

In 1960, R.E. Kalman published his famous paper describing a recursive solution to the discretedata linear filtering problem [Kalman60]. Since that time, due in large part to advances in digital computing, the Kalman filter has been the subject of extensive research and application, particularly in ...

代入法的启发示搜索 我的代码实现是：按照自然语言各字母出现频率的大小从高到低（已经有人作国统计分析了）先生成一张字母出现频率统计表（A）--------(e),(t,a,o,i,n,s,h,r),(d,l),(c,u,m,w,f,g,y,p,b),(v,k,j,x,q,z) ，再对密文字母计算频率，并按频率从高到低生成一张输入密文字母的统计表（B），通过两张表的对应关系 ...

设R={ r , r , , rn 1 2 &#61516 }是要进行排列的n个元素。其中元素n r , r , , r 1 2 &#61516 可能相同。试设计 一个算法，列出R的所有不同排列。

在linux下实现ls -R功能，去年做的

fg jklhj ghl jtojhu klg dioj ioty jo[jhd j ghl ityjdo jgo rj ao[gj r dj k h fhg

this a good book of sap r/3