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ralna / RALFit

A non-linear least squares solver
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Solution for underdetermined systems (n>m) #79

Closed talassio closed 3 years ago

talassio commented 4 years ago

Return a solution in the case of underdetermined systems.

Currently it will return an error, it would me more useful to estimate a solution. (Some CUTEst problems are underdetermined)

talassio commented 3 years ago

References:

  1. Polyak and Tremba. Solving underdetermined nonlinear equations by Newton-like method (2017)