help xlswrite:
帮助xls写入
[SUCCESS，message ]=xls write (文件，阵列，表，范围) writes ARRAY to the Excel
workbook，FILE，into the area，rangeintheworksheetspecifiedinsheet。
fileandarraymustbespecified.ifeitherfileorarrayisempty，a
erroristhrownandxlswriteterminates.thefirstworksheetofthe
workbookisthedefault.ifsheetdoesnotexist，a new sheet is added at
theendoftheworksheetcollection.ifsheetisanindexlargerthanthe
number of worksheets，newsheetsareappendeduntilthenumberofworksheets
intheworkbookequalssheet.thesizedefinedbytherangeshouldfitthe
sizeofarrayorcontainonlythefirstcell，e.g. 'A2'. If RANGE is larger
than the size of ARRAY，excelwillfilltheremainderoftheregionwith
# n/a.ifrangeissmallerthanthesizeofarray，only the sub-array that
fitsintorangewillbewrittentofile.thesuccessoftheoperationis
returnedinsuccessandanyaccompanyingmessage，in MESSAGE. On error，
消息shall be a struct，containingtheerrormessageandmessageid。
See NOTE 1。
[SUCCESS，message]=xlswrite(file，ARRAY，SHEET ) writes ARRAY to the Excel
workbook，FILE，startingatcella1of sheet.thisformisusedifthe
third argument is not a valid range。
[SUCCESS，message ]=xls write (文件，阵列，范围) writes ARRAY to the Excel
工作簿，文件，usingrangeasaboveinthefirstworksheet。
[SUCCESS，message]=xlswrite(file，ARRAY ) writes ARRAY to the Excel
workbook，FILE，startingatcella1ofthefirstworksheet.the return
values are as for the above example。
INPUT PARAMETERS:
file : stringdefiningtheworkbookfiletowriteto。
默认目录is pwd； 默认扩展' xls '。
阵列： mxnumericarrayorcellarray。
sheet : stringdefiningworksheetname；
双精度，定义工作表索引。
range : stringdefiningdataregioninworksheet，using the Excel
' A1' notation。
返回参数：
success :逻辑标量。
消息： structcontainingmessagefieldandmessage _ idfield。
EXAMPLES:
success=xlswrite(c:(MATLAB ) work ) myworkbook.xls )，a，(A2:C4) ) will write A to
the workbook file，myworkbook.xls，andattempttofittheelementsofainto
the rectangular worksheet region，A2:C4. On success，SUCCESS will contain true，
while on failure，SUCCESS will contain false。
note 1: theabovefunctionalitydependsuponexcelasacomserver.in
absence of Excel，arrayshallbewrittenasatextfileincsvformat.in
this mode，thesheetandrangeargumentsshallbeignored。
See also xlsread，wk1write，csvwrite。
帮助浏览器中的参考页面
doc xls编写器