covNoise	covNoise
covNoise, array, array, integer, logic	covNoise
covSEiso	covSEiso
covSEiso, array, array, integer, logic	covSEiso
covSum	covSum
covSum, string, array, array, integer, logic	covSum
gpr	gpr
gpr,  logtheta, covfunc.gpr, x, y, xstar , TRUE	gpr
gpr, logtheta, covfunc.gpr, x, y	gpr
minimize	minimize
minimize, array, string, integer, string, array, array	minimize
