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

X = matrix(seq(1,6000), 600, 10, byrow=TRUE)/6000;
ssX_V = matrix(seq(1,40), 10, 4, byrow=TRUE)/40;
P = matrix(seq(1,3000), 600, 5, byrow=TRUE)/3000;
K = 4;

Q = P[,1:K] * (X %*% ssX_V);
R = t(X) %*% (Q - P[,1:K] * rowSums(Q)%*%matrix(1,1,K));

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