function rbfKF = getDefaultRBFKernel
%Return defualt Linear kernel parameters 

if (nargin ~= 0)
    fprintf('%s\n', help(sprintf('%s', mfilename)));
    error('Incorrect number of inputs - see above usage instructions.');
end

rbfKF.name = 'rbfKernel'; 
rbfKF.params.sigma = 0.5;