Matrix diagonals — diag • dibble

Extract or replace the diagonal of a matrix, or construct a diagonal matrix.

Usage

diag(x, ...)

# S3 method for default
diag(x = 1, nrow, ncol, names, ...)

# S3 method for tbl_ddf
diag(x, axes, ...)

# S3 method for ddf_col
diag(x, axes, ...)

diag(x, ...) <- value

# S3 method for default
diag(x, ...) <- value

# S3 method for tbl_ddf
diag(x, ...) <- value

# S3 method for ddf_col
diag(x, ...) <- value

Arguments

x: A dibble, matrix, vector or 1D array, or missing.
...: Unused, for extensibility.
nrow, ncol: Optional dimensions for the result when x is not a matrix.
names: (When x is a matrix) logical indicating if the resulting vector, the diagonal of x, should inherit names from dimnames(x) if available.
axes: A character vector of axes.
value: Replacement values.

Value

A dibble if x is a dibble. See base::diag() for the return values of the default methods.

Details

These functions override base functions to make them generic. The default methods call the base versions.