insert_matrix_column: Insert column in matrix

In oeli: Some Utilities for Developing Data Science Software

Insert column in matrix

Description

This function inserts a column into a matrix.

Usage

insert_matrix_column(A, x, p)

Arguments

A	[matrix()] A matrix.
x	[atomic()] The column to be added, of length nrow(A). Can also be a single value.
p	[⁠integer())⁠] The position(s) where to add the column, one or more of: p = 0 appends the column left p = ncol(A) appends the column right p = n inserts the column between the n-th and (n + 1)-th column of A.

Value

A matrix.

See Also

Other matrix helpers: check_correlation_matrix(), check_covariance_matrix(), check_transition_probability_matrix(), cov_to_chol(), diff_cov(), matrix_diagonal_indices(), matrix_indices(), sample_correlation_matrix(), sample_covariance_matrix(), sample_transition_probability_matrix(), stationary_distribution()

Examples

A <- diag(3)
x <- 1:3
insert_matrix_column(A, x, 0)
insert_matrix_column(A, x, 1)
insert_matrix_column(A, x, 2)
insert_matrix_column(A, x, 3)

### also single value
x <- 2
insert_matrix_column(A, x, 0)

### also multiple positions
insert_matrix_column(A, x, 0:3)

### also trivial case
insert_matrix_column(matrix(nrow = 0, ncol = 0), integer(), integer())

oeli documentation built on Aug. 18, 2025, 5:24 p.m.