rank-of-school

关于教育梦的相关文章，内容新颖,是一篇值得借鉴和欣赏的教育梦想的文章。(Related articles about education dream, content is novel, is a worthy of reference and appreciate education dream.)

字典树的基本功能是用来查询某个单词（前缀）在所有单词中出现次数的一种数据结构，它的插入和查询复杂度都为O(len),Len为单词（前缀）长度，但是它的空间复杂度却非常高，如果字符集是26个字母，那每个节点的度就有26个，典型的以空间换时间结构。(The basic function of the dictionary tree data structure is used to query a number of times a word (prefix) appears in all the words, which insertion and query complexity are O (len), Len is a word (prefix) length, but its space complexity is very high, if the character set is 26 letters, and that the degree of each node will have 26, the typical structure of space for time.)

dojo基类扩展的三种方法说明，包括extend，declare和mixin等。(dojo base class extended three methods described, including extend, declare and mixin like.)

PhotoAlbum 个人相册网上管理简单系统````````` (PhotoAlbum personal album simple online management system `````````)

国外自适应滤波器经典教材ppt，课后习题答案，课程部分代码(Foreign adaptive filter classic textbook ppt, answers to the questions, the course of the code)

根据描述飞行器在铅垂平面内运动的数学模型，编制某飞行器的铅垂平面飞行轨迹仿真程序。(theflightequation)

matlab code for edge detection using dwt

autocov computes the autocovariance between two column vectors X and Y with same length N using the Fast Fourier Transform algorithm from 0 to N-2. The resulting autocovariance column vector acv is given by the formula: acv(p,1) = 1/(N-p) * sum_{i=1}^{N}(X_{i} - X_bar) * (Y_{i+p} - Y_bar) where X_bar and Y_bar are the mean estimates: X_bar = 1/N * sum_{i=1}^{N} X_{i} Y_bar = 1/N * sum_{i=1}^{N} Y_{i} It satisfies the following identities: 1. variance consistency: if acv = autocov(X,X), then acv(1,1) = var(X) 2. covariance consistence: if acv = autocov(X,Y), then acv(1,1) = cov(X,Y)

压裂水平气井产能分析 Malab 源程序代码(Productivity analysis of fractured horizontal wells)

贝叶斯估计 和极大似然估计的matlab程序(matlab program of Bayesian estimation and maximum likelihood estimation )