myDefautModel =  class=CauchyModel amplitude=[1] scale=[1] no spatial correlation
myModel =  class=CauchyModel amplitude=[1] scale=[1] no spatial correlation
spectral density matrix at f =  1.0  :  [[ (0.049409,0) ]]
spectral density matrix at f =  10.0  :  [[ (0.000506478,0) ]]
mySecondOrderModel =  class=CauchyModel amplitude=[1,1,1] scale=[1,2,3] spatial correlation=
[[ 1    1    0    ]
 [ 1    1    0.25 ]
 [ 0    0.25 1    ]]
myHighModel =  class=CauchyModel amplitude=[1,1,1] scale=[1,2,3] spatial correlation=
[[ 1    1    0    ]
 [ 1    1    0.25 ]
 [ 0    0.25 1    ]]
spectral density matrix at f =  1.0  :  [[ (0.049409,0) ]]
spectral density matrix at f =  10.0  :  [[ (0.000506478,0) ]]
