Upper Triangular Matrix — nv_triu • anvl

Returns the upper triangular part of a 2-D array, setting elements below the specified diagonal to zero.

Usage

nv_triu(x, diagonal = 0L)

Arguments

x: (arrayish)
Input array.
diagonal: (integer(1))
Diagonal offset. 0 (default) is the main diagonal, positive values exclude diagonals above, negative values include diagonals below.

Value

arrayish
Has the same shape and data type as x.

See also

nv_tril(), nv_upper_tri()

Examples

x <- nv_fill(1, c(3, 3))
nv_triu(x)
#> AnvlArray
#>  1 1 1
#>  0 1 1
#>  0 0 1
#> [ CPUf32{3,3} ]