daniele riggi wrote:
Someone knows the existence of a function to sum the elements of the same place A[i,j] B[i,j] of a matrix?thank you
Yes: + Uwe Ligges ______________________________________________ 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.