parametros = [-0.54194872 0.34088326 8.83562194 3.64696014] y la matriz de covarianza es [[ 1.37343117e-06 9.73774600e-07 -1.48608028e-06 -9.73914030e-10] [ 9.73774600e-07 2.40061432e-06 -2.44009190e-06 -8.21500762e-08] [ -1.48608028e-06 -2.44009190e-06 3.71840568e-06 1.52791070e-08] [ -9.73914030e-10 -8.21500762e-08 1.52791070e-08 3.98032502e-07]]