河南省道路矢量数据，包含了地铁、高速、国道、省道、铁路、县道等道路数据

达梦数据去的驱动包，使用工具连接时需要提前加载该驱动包

大众点评网，上海美食数据，可以用来做各种分析。

GBase8s数据库调优-1.doc

stokes（matlab）一维和二维有限元程序，自己初学时写的，相对比较简单，适用于初学者.

优化设计鲍威尔法c#程序实例，优化设计大作业#include"stdio.h"#include"stdlib.h"#include"math.h"doubleobjf(doublex[]){doubleff;ff=x[0]*x[0]+x[1]*x[1]-x[0]*x[1]-10*x[0]-4*x[1]+60;return(ff)

OpenTSDB入门资料文档

SAX符号化序列范例源码--------------------timeseries2symbol.m:--------------------Thisfunctiontakesinatimeseriesandconvertittostring(s).Therearetwooptions:1.ConverttheentiretimeseriestoONEstring2.Useslidingwindows,extractthesubsequencesandconvertthesesubsequencestostringsForthefirstoption,simplyenterthelengthofthetimeseriesas"N"ex.Wehaveatimeseriesoflength32andwewanttoconvertittoa8-symbolstring,withalphabetsize3:timeseries2symbol(data,32,8,3)Forthesecondoption,enterthedesiredslidingwindowlengthas"N"ex.Wehaveatimeseriesoflength32andwewanttoextractsubsequencesoflength16usingslidingwindows,andconvertthesubsequencesto8-symbolstrings,withalphabetsize3:timeseries2symbol(data,16,8,3)Input:dataistherawtimeseries.Nisthelengthofslidingwindow(usethelengthoftherawtimeseriesinsteadifyoudon'twanttohaveslidingwindows)nisthenumberofsymbolsinthelowdimensionalapproximationofthesubsequence.alphabet_sizeisthenumberofdiscretesymbols.2＜=alphabet_size＜=10,althoughalphabet_size=2isa special"useless"case.Output:symbolic_data:matrixofsymbolicdata(no-repetition).Ifconsecutivesubsequenceshavethesamestring,thenonlythefirstoccurrenceisrecorded,withapointertoitslocationstoredin"pointers"pointers:locationofthefirstoccurrencesofthestringsN/nmustbeaninteger,otherwisetheprogramwillgiveawarning,andabort.Thevariable"win_size"isassignedtoN/n,thisisthenumberofdatapointsontherawtimeseriesthatwillbemappedtoasinglesymbol,andcanbeimaginedasthe"compressionrate".Thesymbolicdataisreturnedin"symbolic_data",withpointerstoth

2018年杭州电子科技大学《数据库系统原理（甲）》期末考试试卷