?sweep On Fri, Jun 25, 2010 at 2:43 PM, <rkevinbur...@charter.net> wrote: > I am trying to check the results from an Eigen decomposition and I need to > force a scalar multiplication. The fundamental equation is: Ax = lx. Where > 'l' is the eigen value and x is the eigen vector corresponding to the > eigenvalue. 'R' returns the eigenvalues as a vector (e <- eigen(A); > e$values). So in order to 'check' the result I would multiply the eigenvalues > ('l') by the eigenvectors. But unless I do it one by one (say e$values[1] * > e$vectors[,1]) 'R' tries a matrix multiplication and that is not what I want. > I would like a matrix that is formed by the SCALAR multiplication of each of > the values by the corresponding eigenvector. How can I force such a > multiplication? > > Thank you. > > Kevin > > ______________________________________________ > 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. >
______________________________________________ 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.