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ift
NIFTy
Commits
57d88b83
Commit
57d88b83
authored
May 28, 2021
by
Philipp Arras
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Improve changelog
parent
8103fbbd
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ChangeLog.md
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57d88b83
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@@ -74,9 +74,12 @@ GeoMetricKL
-----------
A new posterior approximation scheme, called geometric Variational Inference
(geoVI) was introduced.
`GeoMetricKL`
is analogous to
`MetricGaussianKL`
with
the exception that geoVI samples are used instead of MGVI samples. For further
details see (
<https://arxiv.org/abs/2105.10470>
).
(geoVI) was introduced.
`GeoMetricKL`
extends
`MetricGaussianKL`
in the sense
that it uses (non-linear) geoVI samples instead of (linear) MGVI samples.
`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
...
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@@ -86,7 +89,7 @@ A new subclass of `EnergyOperator` was introduced and all `EnergyOperator`s
that are likelihoods are now
`LikelihoodOperator`
s. A
`LikelihoodOperator`
has to implement the function
`get_transformation`
, which returns a
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
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