Abstract

AbstractWe investigate the local convergence of the combined Gauss‐Newton‐Secant method under the classical and generalized Lipschitz conditions for solving nonlinear least squares problems with non‐differentiable operator. Instead of Jacobian, this method uses a sum of the derivative of the differentiable part and the divided difference of the non‐differentiable part of the operator. Numerical experiments are conducted on test problems.

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