chen zehao zehaochenlehmancom hello building r addin excel able build rdll export rdlllib wrap excel addin xll format basic functions work fine within excel except functions use lapack eg eigen solve etc use solve linpack thats fine apparently problem loading shared library moduleslapackdll read one earlier threads issue rexcel r earlier 171 sure anyone seen similar problem thanks advance best regards zehao message intended personal confidential use designated recipients named intended recipient message hereby notified review dissemination distribution copying message strictly prohibited communication information purposes regarded offer sell solicitation offer buy financial product official confirmation transaction official statement lehman brothers email transmission guaranteed secure errorfree therefore represent information complete accurate relied upon information subject change without notice irs circular 230 disclosure please advised discussion us tax matters contained within communication including attachments intended written used used purpose avoiding us tax related penalties ii promoting marketing recommending another party transaction matter addressed herein ______________________________________________ rhelprprojectorg mailing list httpsstatethzchmailmanlistinforhelp please read posting guide httpwwwrprojectorgpostingguidehtml provide commented minimal selfcontained reproducible code thu 07 aug 2008 140043 0400 r lapackdll excel r 270