function plotmat(matrix, textcolour, gridcolour, fontsize)%PLOTMAT Display a matrix.%%	Description%	PLOTMAT(MATRIX, TEXTCOLOUR, GRIDCOLOUR, FONTSIZE) displays the matrix%	MATRIX on the current figure.  The TEXTCOLOUR and GRIDCOLOUR%	arguments control the colours of the numbers and grid labels%	respectively and should follow the usual Matlab specification. The%	parameter FONTSIZE should be an integer.%%	See also%	CONFFIG, DEMMLP2%%	Copyright (c) Ian T Nabney (1996-2001)[m,n]=size(matrix);for rowCnt=1:m,  for colCnt=1:n,	numberString=num2str(matrix(rowCnt,colCnt));	text(colCnt-.5,m-rowCnt+.5,numberString, ...	  'HorizontalAlignment','center', ...	  'Color', textcolour, ...	  'FontWeight','bold', ...	  'FontSize', fontsize);  end;end;set(gca,'Box','on', ...  'Visible','on', ...  'xLim',[0 n], ...  'xGrid','on', ...  'xTickLabel',[], ...  'xTick',0:n, ...  'yGrid','on', ...  'yLim',[0 m], ...  'yTickLabel',[], ...  'yTick',0:m, ...  'DataAspectRatio',[1, 1, 1], ...  'GridLineStyle',':', ...  'LineWidth',3, ...  'XColor',gridcolour, ...  'YColor',gridcolour);