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#' Rotate a matrix for printing
#'
#' Rotates a matrix so that when view is called the rows and columns appear in the
#' same order as when looking at the matrix with print
#'
#' @export
#' @param m matrix
#' @return matrix that has been transposed and the columns reversed
#'
#' @examples
#'
#' # Normally image shows a matrix with the first entry in the bottom left
#' # With rot the image is shown in the same order as print
rot <- function(m) t(m)[,nrow(m):1,drop=F]
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