UniformGaussNewtonModel.gn_quadratic#
- t3toolbox.fitting.UniformGaussNewtonModel.gn_quadratic(p)#
def gn_quadratic(self, p: ut3m.UT3Tangent) -> NDArray: # pᵀHp = ‖J p‖² (+ ⟨p, H_R p⟩), shape C
The Gauss-Newton quadratic form
pᵀHp = ‖J p‖²– ONE forward sweep (the Cauchy / line-search step-length denominator), not a Hessian apply; plus the regularizer term when set.- Parameters:
p (UT3Tangent)
- Return type: