simplex <- function(P,filepath,title) { A=1:P SET <- array(c(0),dim= c((P),P)) for (i in A){ SET[i,i] <- 1 } Final <- f.composition(SET) A <- nrow(Final) F <- NULL for ( i in 1:(A-1)){ B=1:A B <- B[-(1:i)] for (j in B){ Full.wires <- matrix(rbind(F,c(i,j)),ncol=2) F <- Full.wires } } f.write.xml(Final,Full,filepath,title) }