newsminfx optimisation library - News: minfx version 1.0.1

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minfx version 1.0.1

Item posted by Edward d Auvergne <bugman> on Sun Sep 28 10:42:31 2008.


This is a minor feature release involving the inevitable switch from Numeric python to numpy, a few improvements in how missing gradients and models with no parameters are handled, and a switch from GPLv2 to GPLv3.


The new minfx versions can be downloaded from

Full list of changes


  • Full conversion from Numeric python to numpy.
  • Improved testing for the Hessian being positive definite in the Cholesky Hessian modification.
  • Models of zero size can now be handled.
  • More graceful failure for when the gradient is not supplied when needed.


  • Switch from GPLv2 to GPLv3.


  • Module name clash in the Cholesky Hessian modification.


No messages in minfx version 1.0.1


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