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args<-commandArgs(TRUE)
options(digits=22)
library("Matrix")
library("matrixStats")

X = matrix(seq(1,6000)/6000, 600, 10, byrow=TRUE);
C = matrix(seq(1,40)/40, 4, 10, byrow=TRUE);

D = -2 * (X %*% t(C)) + matrix(1,nrow(X),1)%*%t(rowSums (C ^ 2));
P = (D <= (rowMins (D) %*% matrix(1, 1, ncol(D))));
P = P / rowSums (P);
P_denom = colSums (P);
R = (t(P) %*% X) / P_denom%*%matrix(1,1,ncol(X));

writeMM(as(R, "CsparseMatrix"), paste(args[2], "S", sep=""));