pracma (version 0.7.5)

flipdim: Matrix flipping

Description

Flip matrices up and down or left and right.

Usage

flipdim(a, dim)
flipud(a)
fliplr(a)

Arguments

a

numeric or complex matrix

dim

flipping dimension; can only be 1 (default) or 2

Value

• the original matrix somehow flipped

Details

flipdim will flip a matrix along the dim dimension, where dim=1 means flipping rows, and dim=2 flipping the columns.

flipud and fliplr are simply shortcuts for flipdim(a, 1) resp. flipdim(a, 2).

Examples

a <- matrix(1:12, nrow=3, ncol=4, byrow=TRUE)
flipud(a)
fliplr(a)