text_combined: zhang yanwei princetonmram yzhangmunichreamericacom hi 4 4 matrix want switch row 2 row 3 first switch column 2 column 3 easy way following tedious way get want wonder way simplify amatrixrnorm1644 1 2 3 4 1 033833811 09422273 006181611 18346134 2 068167996 02004836 071079887 11590184 3 007811688 01338694 161262688 02988365 4 021869786 16356661 013694344 12121355 ba b2a3 b3a2 b 1 2 3 4 1 033833811 09422273 006181611 18346134 2 007811688 01338694 161262688 02988365 3 068167996 02004836 071079887 11590184 4 021869786 16356661 013694344 12121355 cb c2b3 c3b2 c 1 2 3 4 1 033833811 006181611 09422273 18346134 2 007811688 161262688 01338694 02988365 3 068167996 071079887 02004836 11590184 4 021869786 013694344 16356661 12121355 sincerely yanwei zhang department actuarial research modeling munich america tel 6092752176 email yzhangmunichreamericacom alternative html version deleted ______________________________________________ rhelprprojectorg mailing list httpsstatethzchmailmanlistinforhelp please read posting guide httpwwwrprojectorgpostingguidehtml provide commented minimal selfcontained reproducible code thu 07 aug 2008 103107 0400 r switch two rows matrix