diag_ind: Make vector of 1-dimensional diagonal indices for square matrix

Description

Compute vector of indices for efficient access to diagonal of a square matrix

Usage

1

Arguments

n

integer dimension of (square) matrix

Value

integer vector of length n with indices (unidimensional) of square matrix

See Also

diag_mat

Examples

1
2
ind <- diag_ind(5)
diag_mat(seq(5))[ind]

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