An Adaptive Nonlinear Least Square Algorithm
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NL2SOL is a modular program for solving the nonlinear least-squares problem that incorporates a number of novel features. It maintains a secant approximation S to the second-order part of the least-squares Hessian and adaptively decides when to use this approximation. We have found it very helpful
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美国国家经济研究局创建时间：
1977-08-01
