myDefautModel =  class=ExponentialCauchy amplitude=[1] scale=[1]
myModel =  class=ExponentialCauchy amplitude=[1] scale=[1]
covariance matrix at t =  1.0  :  [[ 0.367879 ]]
covariance matrix at t =  -1.0  :  [[ 0.367879 ]]
covariance matrix at t =  15.0  :  [[ 3.05902e-07 ]]
discretized covariance over the time grid= RegularGrid(start=0, step=0.333333, n=4) is= [[ 1        0.716531 0.513417 0.367879 ]
 [ 0.716531 1        0.716531 0.513417 ]
 [ 0.513417 0.716531 1        0.716531 ]
 [ 0.367879 0.513417 0.716531 1        ]]
