function theMean = ColMean(matrix)
% theMean = ColMean(matrix)
%
% Take the column mean of a matrix. Unlike mean, always returns a vector,
% even if the matrix has only 1 row.
%
% 2/13/96 dhb Wrote it.
% 7/24/04 awi Cosmetic.
[m,n] = size(matrix);
if (m == 1)
theMean = matrix;
else
theMean = mean(matrix);
end