Both loops are on 'i', which is a bad idea. :-) Also myMatrix[i,i+1] will be out-of-bounds if i = ncol(myMatrix)
On Mon, Aug 6, 2018 at 12:02 PM, Maija Sirkjärvi <maija.sirkja...@gmail.com> wrote: > I have a basic for loop with a simple matrix. The code is doing what it is > supposed to do, but I'm still wondering the error "subscript out of > bounds". What would be a smoother way to code such a basic for loop? > > myMatrix <- matrix(0,5,12) > for(i in 1:nrow(myMatrix)) { > for(i in 1:ncol(myMatrix)) { > myMatrix[i,i] = -1 > myMatrix[i,i+1] = 1 > }} > print(myMatrix) > > Thanks in advance! > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.