blockdiag: Block diagonal matrices

In bbolker/mixstock: Functions for Mixed Stock Analysis

Block diagonal matrices

Description

Construct a block-diagonal matrix from a list of submatrices.

Usage

blockdiag(...)

Arguments

...	a comma-separated list of matrix objects that will form the submatrices of the block-diagonal matrix.

Value

A block-diagonal matrix with dimensions equal to the sum of the dimensions of the submatrices.

Note

If you want to use a previously constructed list of matrices, use do.call (see the examples). Doesn't preserve names or attributes (yet).

Author(s)

Ben Bolker

Examples

  m1 <- matrix(1,nrow=2,ncol=2)
  m2 <- matrix(2,nrow=1,ncol=3)
  m3 <- matrix(3,nrow=3,ncol=2)
  blockdiag(m1,m2,m3)
  l <- list(m1,m2,m3)
  do.call("blockdiag",l)

bbolker/mixstock documentation built on July 23, 2024, 12:18 p.m.