triu: Extract Upper Triangular Matrix
In ramify: Additional Matrix Functionality

Extract the upper triangular part of a matrix.

1	triu(x, k = 0, diag = TRUE)

`x`	A matrix.
`k`	Diagonal below which to zero elements. `k = 0` (the default) is the main diagonal, k < 0 is below it and k > 0 is above.
`diag`	Logical indicating whether to include the diagonal. Default is `TRUE`.

1 2	triu(ones(5, 5)) triu(ones(5, 5), diag = FALSE)

ramify documentation built on May 2, 2019, 5:58 a.m.

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