Dear all,
I have a problem with the function lu to do LU decomposition: it seems that the algorithm multiplies the matrix I input by a permutation matrix for efficiency reasons -hence the sparse in the output. Does someone know whether it is possible to specify not to use any permutation matrix? Thanks, Samuel [[alternative HTML version deleted]] ______________________________________________ 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.