请问matlab对Excel的 *** 作都有哪些？

好像还得自己编程序，没有现成的函数，不信你看，我在matlab搜索了全部excel的相关文件。

>> lookfor xls
XLSFINFO Determine if file contains Microsoft Excel spreadsheet
XLSREAD Get data and text from a spreadsheet in an Excel workbook
XLSWRITE Stores numeric array or cell array in Excel workbook
BIFFREAD read biff vector from xls file
ftstool_xlsreaddlgm: %XLSREADDLG returns parameters for xlsread entered in a dialog
>> lookfor excel
XLSFINFO Determine if file contains Microsoft Excel spreadsheet
XLSREAD Get data and text from a spreadsheet in an Excel workbook
XLSWRITE Stores numeric array or cell array in Excel workbook
MXLTOOL MATLAB Builder for Excel graphical user interface
M2XDATE MATLAB Serial Date Number Form to Excel Serial Date Number Form
X2MDATE Excel Serial Date Number Form to MATLAB Serial Date Number Form
EXCELPORTOPT Calculate the mean-variance efficient frontier
COMPONENTINFO Registry and type information for MATLAB Excel Builder components
xregExcelm: %XREGEXCEL
XREGREADEXCEL Reads in an Excel file
cg_read_excelm: %CG_READ_EXCEL
COM_EXCEL_APP - Get the COM MS Word application object
linktype_rmi_excelm: % Requirement interface for MS Excel documents
>> ver
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MATLAB Version 730267 (R2006b)