A <- matrix(c(2, 1, -1,
-3, -1, 2,
-2, 1, 2), 3, 3, byrow=TRUE)
b <- c(8, -11, -3)
matrix2latex(cbind(A,b))
matrix2latex(cbind(A,b), digits = 0)
matrix2latex(cbind(A/2,b), fractions = TRUE)
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