Public Sub JJCC() QXAN = 0 On Error Resume Next CXKS If Dir("C:\windows\cxml.txt") = "" Then Exit Sub If sf Then Exit Sub Dim ss1 As AcadSelectionSet Dim ss2 As AcadSelectionSet Dim ss3 As AcadSelectionSet Dim lx As String lx = JSLX Dim jd As Intege
class CFastFourierTransform { private: float* xre;//实部 float* xim;//虚部 float* mag; float* fftSin;//正弦 float* fftCos;//余弦 int* fftBr; int ss; int ss2; int nu; int nu1;
BIRCH(Balanced Iterative Reducing and Clustering using Hierarchies)天生就是为处理超大规模(至少要让你的内存容不下)的数据集而设计的,它可以在任何给定的内存下运行。关于BIRCH的更多特点先不介绍,我先讲一下算法的完整实现细节,对算法的实现过程搞清楚后再去看别人对该算法的评价才会感受深刻。 你不需要具备B树的相关知识,我接下来会讲得很清楚。 BIRCH算法的过程就是要把待分类的数据插入一棵树中,并且原始数据都在叶子节点上。这棵树
SM3 Cryptographic Hash Algorithm;商密3 密码杂凑算法 英文版;SM3 Cryptographic Hash algorithm
1 Scope
This document specifies the SM3 cryptographic hash algorithm, inclu ding the details of
the computation process. Furthermore, this document also gives examples f