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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);
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