Hi, everyone, I need an efficient way to do vectors cross product in R.
Set vectors, V1 = ai + bj + ck V2 = di + ej + fk then the cross product is V1 x V2 = (bf - ce) i + (cd - af) j + (ae - bd) k As shown here ( http://en.wikipedia.org/wiki/Cross_product ). Thanks. Best, Bai ______________________________________________ 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.