direct_sum {cIRT} | R Documentation |
Direct Sum of Matrices
Description
Computes the direct sum of all matrices passed in via the list.
Usage
direct_sum(x)
Arguments
x |
A |
Details
Consider matrix A
(M \times N
) and
B
(K \times P
). A direct sum is a diagonal matrix
A (+) B
with dimensions (m + k) x (n + p)
.
Value
Matrix containing the direct sum of all matrices in the list.
Author(s)
James Joseph Balamuta
Examples
x = list(matrix(0, nrow = 5, ncol = 3),
matrix(1, nrow = 5, ncol = 3))
direct_sum(x)
x = list(matrix(rnorm(15), nrow = 5, ncol = 3),
matrix(rnorm(30), nrow = 5, ncol = 6),
matrix(rnorm(18), nrow = 2, ncol = 9))
direct_sum(x)
[Package cIRT version 1.3.2 Index]