DormanResearch : CreatingTriangularMatrices?

Referers: RHints :: (Remote :: Orphans :: Tree )

Dorman Wiki
Dorman Lab Wiki
\> ma <- matrix(rep(1, 9), nrow = 3, ncol = 3)
\> ma[upper.tri(ma)] <- 0
# produces
1 0 0
1 1 0
1 1 1
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