I also have doubts this can be formulated correctly as a linear assignment problem. You may want to check the results with a small example.
Erwin ---------------------------------------------------------------- Erwin Kalvelagen Amsterdam Optimization Modeling Group er...@amsterdamoptimization.com http://amsterdamoptimization.com ---------------------------------------------------------------- On Sat, Jan 16, 2010 at 9:59 AM, Ravi Varadhan <rvarad...@jhmi.edu> wrote: > > Thanks, Erwin, for pointing out this mistake. > > Here is the correct function for Frobenius norm. > > Klaus - Just replace the old `dist' with the following one. > > dist <- function(A, B) { > # Frobenius norm of A - B > n <- nrow(A) > sqrt(sum((B - A)^2)) > } > > Ravi. > > ____________________________________________________________________ > > Ravi Varadhan, Ph.D. > Assistant Professor, > Division of Geriatric Medicine and Gerontology > School of Medicine > Johns Hopkins University > > Ph. (410) 502-2619 > email: rvarad...@jhmi.edu > > > ----- Original Message ----- > From: Erwin Kalvelagen <erwin.kalvela...@gmail.com> > Date: Saturday, January 16, 2010 2:35 am > Subject: Re: [R] optimization problem > To: r-h...@stat.math.ethz.ch > > > > Ravi Varadhan <rvaradhan <at> jhmi.edu> writes: > > > dist <- function(A, B) { > > > # Frobenius norm of A - B > > > n <- nrow(A) > > > sum(abs(B - A)) > > > } > > > > > > > See for a definition of the > > Frobenius norm. > > > > > > Erwin > > > > ---------------------------------------------------------------- > > Erwin Kalvelagen > > Amsterdam Optimization Modeling Group > > er...@amsterdamoptimization.com > > > > > > ______________________________________________ > > R-help@r-project.org mailing list > > > > PLEASE do read the posting guide > > and provide commented, minimal, self-contained, reproducible code. > [[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.
