> Thanks Phipp very much for your help. I had meant, given that I'd > computed the matrix f[x,y] and the vector e[x], how to take the > difference. What is confusing is how to subtract a vector from a > matrix. I don't want the recycling rule.
That function sounds like its describing how to subtract the vector from the matrix: g[1, 1] = f[1, 1] - e[1] - e[1] g[2, 3] = f[2, 3] - e[2] - e[3] (which implies that f is square) So maybe something like: g <- f - outer(e, e, "-") But a link to the paper and an example would be very helpful! Hadley -- http://had.co.nz/ ______________________________________________ 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.
