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Levenberg-Marquardt optimizer and new diagnostic terms available
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@zhucaoxiang zhucaoxiang released this 09 Jul 22:27
· 166 commits to master since this release
v0.3.4
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Learn about vigilant mode.

Please view #21 for more details.

  1. Levenberg-Marquardt algorithm is now available.
    Levenberg-Marquardt algorithm is one of the most famous minimization algorithms. The calculation of chi-squared and the packing of jacobian are different from the present optimization algorithms (DF, CG). Please view lmalg.pdf
  2. More diagnostic terms in diagnos.h.
    • calculate the overlap rate between the present Bn harmonics and the target harmonics
    • compute a coil importance array (coil_importance in hdf5 file) for each coil
  3. Several bugs are fixed.
    • add warnings about reset weights below machine precision
    • fix nfp reset issue
    • decompose Bn from coils only
    • update ellipse example
Assets 2