R/ISOpure.util.repmat.R

In ISOpureR: Deconvolution of Tumour Profiles

# The ISOpureR package is copyright (c) 2014 Ontario Institute for Cancer Research (OICR)
# This package and its accompanying libraries is free software; you can redistribute it and/or modify it under the terms of the GPL
# (either version 1, or at your option, any later version) or the Artistic License 2.0.  Refer to LICENSE for the full license text.
# OICR makes no representations whatsoever as to the SOFTWARE contained herein.  It is experimental in nature and is provided WITHOUT
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# OR WARRANTY THAT THE USE OF THIS SOFTWARE WILL NOT INFRINGE ANY PATENT OR OTHER PROPRIETARY RIGHT.
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# nature, which may arise from your Institution's respective use, handling or storage of the SOFTWARE.
# If publications result from research using this SOFTWARE, we ask that the Ontario Institute for Cancer Research be acknowledged and/or
# credit be given to OICR scientists, as scientifically appropriate.

### FUNCTION: ISOpure.util.repmat.R #############################################################
# 
# Input variables:
#   a: a matrix 
#   n: number of times the matrix should be tiled horizontally
#   m: number of times the matrix should be tiled vertically
#
# Output variables:
#   A matrix which has replicated and tiled the matrix a by n rows
#   and m columns
# 
# Notes: the code is from the SegClus package on Ohloh code  

ISOpure.util.repmat <- function(a,n,m) {kronecker(matrix(1,n,m),a)}