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
2025/3/29 15:54:56
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功能介绍：1，新闻栏目二级分类，随意修改,管理员分级管理2，采用强大的HTML编辑器输入新闻文章3，不存在任何新闻内容不能分段，不出空格的问题4，可以直接复制任何图文信息，输出和原来格式一模一样5..
2025/3/26 0:32:17
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NavicatPremium12版本，包括navicat120_premium_cs_x64、navicat12022_premium_cs_x64和navicat121_premium_cs_x64三个版本。
2025/3/25 2:47:23
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