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First working version of a new optimization package that uses a slightly modified version of m1qn3, v3.3 (https://who.rocq.inria.fr/Jean-Charles.Gilbert/modulopt/optimization-routines/m1qn3/m1qn3.html) to work as an offline optimizer. The advantage of m1qn3_offline is, that it is run in reverse communication control mode, so that it gives back control to the call routine (here a script) to provide a new estimate of the cost function and the gradient based on the control vector. This way we can do complete line searches that are meaningful.
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