Commit 57d88b83 authored by Philipp Arras's avatar Philipp Arras
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Improve changelog

parent 8103fbbd
...@@ -74,9 +74,12 @@ GeoMetricKL ...@@ -74,9 +74,12 @@ GeoMetricKL
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A new posterior approximation scheme, called geometric Variational Inference A new posterior approximation scheme, called geometric Variational Inference
(geoVI) was introduced. `GeoMetricKL` is analogous to `MetricGaussianKL` with (geoVI) was introduced. `GeoMetricKL` extends `MetricGaussianKL` in the sense
the exception that geoVI samples are used instead of MGVI samples. For further that it uses (non-linear) geoVI samples instead of (linear) MGVI samples.
details see (<https://arxiv.org/abs/2105.10470>). `GeoMetricKL` can be configured such that it reduces to `MetricGaussianKL`.
`GeoMetricKL` is now used in `demos/getting_started_3.py` and a visual
comparison to MGVI can be found in `demos/vi_visualized.py`. For further details
see (<https://arxiv.org/abs/2105.10470>).
LikelihoodOperator LikelihoodOperator
...@@ -86,7 +89,7 @@ A new subclass of `EnergyOperator` was introduced and all `EnergyOperator`s ...@@ -86,7 +89,7 @@ A new subclass of `EnergyOperator` was introduced and all `EnergyOperator`s
that are likelihoods are now `LikelihoodOperator`s. A `LikelihoodOperator` that are likelihoods are now `LikelihoodOperator`s. A `LikelihoodOperator`
has to implement the function `get_transformation`, which returns a has to implement the function `get_transformation`, which returns a
coordinate transformation in which the Fisher metric of the likelihood becomes coordinate transformation in which the Fisher metric of the likelihood becomes
the identity matrix. the identity matrix. This is needed for the `GeoMetricKL` algorithm.
Changes since NIFTy 5 Changes since NIFTy 5
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