PEIP (version 1.7)

l_curve_corner: L Curve Corner

Description

Retrieve corner of L-curve

Usage

l_curve_corner(rho, eta, reg_param)

Arguments

rho

misfit

eta

model norm or seminorm

reg_param

regularization parameter

Value

• reg_corner
  the value of reg_param with maximum curvature
• ireg_corner
  the index of the value in reg_param with maximum curvature
• kappa
  the curvature for each reg_param

References

Aster, R.C., C.H. Thurber, and B. Borchers, Parameter Estimation and Inverse Problems, Elsevier Academic Press, Amsterdam, 2005.