extracat (version 1.6-3)

spread: Matrix Expansion

Description

Replaces each element of a matrix with a submatrix (containing this element) with a prespecified number of rows and columns.

Usage

spread(M, ncol = 1, nrow = 1)

Arguments

M

The matrix to be expanded.

ncol

The number of column repetitions.

nrow

The number of row repetitions.

Value

• A matrix.

Examples

M = matrix(1:12, ncol=4)
 spread(M, ncol = 5, nrow = 7)