GfTool 0.11.0 release

New Features

• Add pole-base Padé analytic continuation ~gftool.polepade (41d5753).

  • Allows determining number of poles avoiding overfitting.
  • Least-squares based approach allowing to include uncertainties of input data.

• Add ~gftool.linearprediction module (b1c8f63).

  • Linear prediction can be used to extend retarded-time Green's functions.

• Add Padé-Fourier approach to Laplace transform (fe1ac17).

  • Padé-Fourier allows to significantly reduce the truncation error.
    This allows for contours closer to real-axis for a given maximal time.
  • Linear Padé approximant ~gftool.fourier.tt2z_pade based on simple poles.
  • Quadratic Hermite-Padé approximant ~gftool.fourier.tt2z_herm2 including quadratic branch cuts but introducing ambiguity which branch to choose.
  • Module ~gftool.hermpade implements the necessary approximants.

• Add lattice ~gftool.lattice.box with box-shaped DOS (09974a0).

Internal improvements

• Use numpy.testing.assert_allclose for tests, providing more verbose output (dbb8fd7).

Documentation

• Start to adhere more closely to numpydoc (40d57d4).