本教程举例说明了如何使用 ADO 编程模型对数据源进行查询及更新。教程首先讲述了完成此项任务的必要步骤,然后分别通过 Microsoft Visual Basic、以 VC++ Extensions 为特征的 Microsoft Visual C++、Microsoft Visual Basic、Scripting Edition 和以 ADO for Windows Foundation Classes (ADO/WFC) 为特征的 Microsoft Visual J++ 进行更为具体的说明。
上传时间: 2016-10-22
上传用户:xymbian
基于VB的遗传算法软件实现 在程序中,FitnessValue (i) 为适应度值数组、avFit2nessValue (100) 为归一化适应度值数组、Population2 Chrom(i ,j) 为遗传个体的等位基因值、Popsize 为种群中的个体数,CHROMLENGTH为一母体对的等位基因 总数。
标签: avFit2nessValue FitnessValue Population2 Chrom
上传时间: 2014-01-09
上传用户:1966640071
mani: MANIfold learning demonstration GUI by Todd Wittman, Department of Mathematics, University of Minnesota E-mail wittman@math.umn.edu with comments & questions. MANI Website: httP://www.math.umn.edu/~wittman/mani/index.html Last Modified by GUIDE v2.5 10-Apr-2005 13:28:36 Methods obtained from various authors. (1) MDS -- Michael Lee (2) ISOMAP -- J. Tenenbaum, de Silva, & Langford (3) LLE -- Sam Roweis & Lawrence Saul (4) Hessian LLE -- D. Donoho & C. Grimes (5) Laplacian -- M. Belkin & P. Niyogi (6) Diffusion Map -- R. Coifman & S. Lafon (7) LTSA -- Zhenyue Zhang & Hongyuan Zha
标签: demonstration Mathematics Department University
上传时间: 2016-10-29
上传用户:youmo81
计算这个智力题: 在这个乘法算式里,每一个字母代表着0-9中的一个数,不同字母代表不同数。 A B C D E F G H * A J --------------------- E J A H F D G K C B D F H A J E C --------------------- C C C C C C C C C 请问,C 代表哪个数字?
上传时间: 2013-12-30
上传用户:stampede
对于初级C++学习者有些帮助的,H.M.Deitel,P.J.Deitel著。周靖等译。效果可能有些不好
标签:
上传时间: 2014-01-07
上传用户:xlcky
CMS4J 是 JAVA / JSP 版网站管理系统 (Content Manage System For Java)的简称,读作 “CMS For J” 国内 JAVA版网站管理系统 的领航者,依托于 JAVA 技术,专注于 网站内容管理 CMS4J绝非国外一些开源产品的改造版,我们秉承用户本土化的原 则,切身体验国内CMS系统的应用现状与实际需求,为中小企业量身定 做,CMS4J项目在立项时,就已经立下了以下四大目标: [目标 1]: 不编程,做动态网站 要让网站设计师、美工也会做动 态网站,动态网站不再是程序员的专长; [目标 2]: 高扩展,插件式架构 系统基于Plug-in结构,所有模 块均插件化, 良好的二次开发接口; [目标 3]: 小投资,低成本运营 让网站可以低成本运营,绝对不 允许存在第三方不必要的软件开支; [目标 4]: 大应用,分布式部署 立足日访量为1至100百万网站的 应用,向千万级大型综合门户应用迈进;
标签: Content Manage System CMS4J
上传时间: 2013-12-17
上传用户:dsgkjgkjg
PRINCIPLE: The UVE algorithm detects and eliminates from a PLS model (including from 1 to A components) those variables that do not carry any relevant information to model Y. The criterion used to trace the un-informative variables is the reliability of the regression coefficients: c_j=mean(b_j)/std(b_j), obtained by jackknifing. The cutoff level, below which c_j is considered to be too small, indicating that the variable j should be removed, is estimated using a matrix of random variables.The predictive power of PLS models built on the retained variables only is evaluated over all 1-a dimensions =(yielding RMSECVnew).
标签: from eliminates PRINCIPLE algorithm
上传时间: 2016-11-27
上传用户:凌云御清风
可以把客户端的内容存入数据库中,在j网页中显示出来
标签: 数据库
上传时间: 2016-11-28
上传用户:13215175592
function [U,center,result,w,obj_fcn]= fenlei(data) [data_n,in_n] = size(data) m= 2 % Exponent for U max_iter = 100 % Max. iteration min_impro =1e-5 % Min. improvement c=3 [center, U, obj_fcn] = fcm(data, c) for i=1:max_iter if F(U)>0.98 break else w_new=eye(in_n,in_n) center1=sum(center)/c a=center1(1)./center1 deta=center-center1(ones(c,1),:) w=sqrt(sum(deta.^2)).*a for j=1:in_n w_new(j,j)=w(j) end data1=data*w_new [center, U, obj_fcn] = fcm(data1, c) center=center./w(ones(c,1),:) obj_fcn=obj_fcn/sum(w.^2) end end display(i) result=zeros(1,data_n) U_=max(U) for i=1:data_n for j=1:c if U(j,i)==U_(i) result(i)=j continue end end end
标签: data function Exponent obj_fcn
上传时间: 2013-12-18
上传用户:ynzfm
function [U,V,num_it]=fcm(U0,X) % MATLAB (Version 4.1) Source Code (Routine fcm was written by Richard J. % Hathaway on June 21, 1994.) The fuzzification constant % m = 2, and the stopping criterion for successive partitions is epsilon =??????. %*******Modified 9/15/04 to have epsilon = 0.00001 and fix univariate bug******** % Purpose:The function fcm attempts to find a useful clustering of the % objects represented by the object data in X using the initial partition in U0.
标签: fcm function Version Routine
上传时间: 2014-11-30
上传用户:二驱蚊器