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Programming Fundamentals

Programming Fundamentals
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6-97 Microsoft > Excel > ή Spreadsheets >

MatricesandArrays FunctionstoDetermineClass(Continued) FunctionDescription > isreal Return > true ifmatrixelementsarerealnumbers. > isstruct Return > true ifmatrixelementsareMATLAB > structures. FunctionstoSortandShiftMatrixElements FunctionDescription > circshift Circularlyshiftmatrixcontents. > issorted Return > true ifthematrixelementsaresorted. > sort Sortelementsinascendingordescendingorder. > sortrows Sortrowsinascendingorder. FunctionsThatWorkonDiagonalsofaMatrix FunctionDescription > blkdiag Constructablockdiagonalmatrix. > diag Returnthediagonalsofamatrix. > trace...

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Built-InClasses(DataTypes) FunctionstoModifyCharacterArrays FunctionDescription > deblank Removetrailingblanks. > lower Makeallletterslowercase. > sort Sortelementsinascendingordescendingorder. > strjust Justifyastring. > strrep Replaceonestringwithanother. > strtrim Removeleadingandtrailingwhitespace. > upper Makealllettersuppercase. FunctionstoReadandOperateonCharacterArrays FunctionDescription > eval ExecuteastringwithMATLABexpression. > sscanf Readastringunderformatcontrol. FunctionstoSearchorCompareCharacterArrays FunctionDescription > findstr Findonestringwithinanother. > strcmp...

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CharactersandStrings FunctionstoDetermineClassorContent FunctionDescription > iscellstr Return > true foracellarrayofstrings. > ischar Return > true foracharacterarray. > isletter Return > true forlettersofthealphabet. > isstrprop Determineifastringisofthespecifiedcategory. > isspace Return > true forwhite-spacecharacters. FunctionstoConvertBetweenNumericandStringClasses FunctionDescription > char Converttoacharacterorstring. > cellstr Convertacharacterarraytoacellarrayofstrings. > double Convertastringtonumericcodes. > int2str Convertanintegertoastring. > mat2str...

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RegularExpressions PositionalOperators OperatorUsage > ^expr Match > expr ifitoccursatthebeginningoftheinputstring. > expr$ Match > expr ifitoccursattheendoftheinputstring. > \Match > expr whenitoccursatthebeginningofaword. > expr\> Match > expr whenitoccursattheendofaword. > \Match > expr whenitrepresentstheentireword. LookaroundOperators OperatorUsage > (?=expr) Lookaheadfromcurrentpositionandtestif > expr isfound. > (?!expr) Lookaheadfromcurrentpositionandtestif > expr isnotfound > (?<=expr) Lookbehindfromcurrentpositionandtestif > expr isfound. > (?Lookbehindfromcurrentpositionandtestif...

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ExchangingFilesovertheInternet FunctionDescription > rename RenamefileonFTPserver. > rmdir(ftp) RemovedirectoryonFTPserver. >

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ScientificDataFileFormats bindata=fitsread('tst0012.fits','bintable'); Note Toreadthe > BinaryTable extensionusing > fitsread ,youmustspecifytheparameter > 'bintable' .Similarly,toreadthe > AsciiTable extension,youmustspecifytheparameter > 'table' .Seethe > fitsread referencepageformoreinformation. >

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HierarchicalDataFormat(HDF5)Files data=permute(returned_data,[321]); YoucancomparetheoriginalMATLABvariable, > testdata ,withthevariablejustcreated, > data ,toseeiftheyarethesame. >

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