Gabor Csardi <[EMAIL PROTECTED]> wrote in news:[EMAIL PROTECTED]:
> Hmm, my understanding is different, > > m <- matrix(sample(10*10), ncol=10) > m2 <- rbind( m[1:5,], 1:10, m[6:10,] ) > m3 <- cbind( m[,1:8], 1:10, m[,9:10] ) I read the question the same way and, in response to the part of the question asking for no temporary matrix, offer this refinement on your suggestion: m <- rbind( m[1:5,], 1:10, m[6:10,] ) # row insertion or ... # not to be followed by, but rather instead column insertion .. m <- cbind( m[,1:8], 1:10, m[,9:10] ) -- David Winsemius > > G. > > On Sun, Apr 20, 2008 at 10:21:47AM -0300, Henrique Dallazuanna > wrote: >> If I understand: >> > >> m <- matrix(sample(10*10), ncol=10) >> m[5:6, 8:9] <- 1:4 >> > >> > >> > >> On 4/18/08, Ng Stanley <[EMAIL PROTECTED]> wrote: >> > Hi, >> > >> > Is there any functions to insert a vector or matrix into an >> > existing ma > trix >> > say between row 5 and 6 or column 8 and 9, without creating a >> > temporary matrix ? >> > >> > Thanks >> > Stanley ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
