Diffusion RationalROMPy (master) History

RROMPy/rrompy/utilities/poly_fitting
masterf2c2c63950ebf9d0438bea8…

Jun 9 2021

Added GPR support using sklearn. Minor fixes in polynomial degree checks.
f2c2c63950eb
·pradovera on Jun 9 2021, 09:35.

May 31 2021

Added support for h-radial bases and radial basis derivatives. Removed…
f5cc78603613
·pradovera on May 31 2021, 11:24.

Mar 25 2021

Added heuristic multivariate greedy rational interpolation. Allowed different…
91808e80a175
·pradovera on Mar 25 2021, 08:46.

Mar 19 2021

Fixed automatic degree reduction in RationalInterpolant. Improved bad pole…
03621764530a
·pradovera on Mar 19 2021, 16:16.

Mar 9 2021

Added standard and output modes in rational approximation. Removed radial basis…
63e560ed3aca
·pradovera on Mar 9 2021, 10:51.

Feb 23 2021

Added mixed degree option to polynomial fitting and to multi-variate rational…
f4c06ee21c33
·pradovera on Feb 23 2021, 13:54.

Jan 19 2021

Added back (fixed) multivariate rational approximant. Renamed pivoted Match…
5ee323687969
·pradovera on Jan 19 2021, 07:49.

Nov 17 2020

Improved correction of bad poles in pivoted pole-matching approximants with…
01d0a587cfbf
·pradovera on Nov 17 2020, 16:10.

Nov 9 2020

Fixed bug in parameter initialization for pivoted approximation. Improved…
ca25fdbab062
·pradovera on Nov 9 2020, 17:06.
Improved pole correction, with added stability tolerance. Minor naming changes.
95a0fa983702
·pradovera on Nov 9 2020, 09:27.

Nov 2 2020

Added Riemann interpolation over marginal variables driven by chordalRadius…
7034ff3faee9
·pradovera on Nov 2 2020, 17:33.

Oct 15 2020

Added quadratic output example. Minor miscellaneous tweaks.
258160e5dc1b
·pradovera on Oct 15 2020, 17:32.

Oct 13 2020

Updated copyright info.
d0032ae416e8
·pradovera on Oct 13 2020, 08:08.

Sep 29 2020

Improved alternative methods for computing 1D rational approximant (added…
ff557502f6c8
·pradovera on Sep 29 2020, 15:39.

Sep 25 2020

Improved folder structure and code commenting.
5c2ab7641888
·pradovera on Sep 25 2020, 16:49.

Aug 21 2020

Added 2-way sparse grid refinement.
f1d7f17aaa9b
·pradovera on Aug 21 2020, 17:26.

Aug 18 2020

Fixed bug with preemptive end of greedy loop in pivoted approximation. Made…
490f86110f73
·pradovera on Aug 18 2020, 17:09.

Jul 30 2020

Improved piecewise linear interpolation using triangular structure of…
18c23959ac9b
·pradovera on Jul 30 2020, 10:46.

Jul 29 2020

Minor improvements in sparse grid interpolation.
75fabaa452e9
·pradovera on Jul 29 2020, 17:15.

Jul 28 2020

Added computation of rational denominator based on barycentric coordinates.
43bdbb69d4ed
·pradovera on Jul 28 2020, 12:29.

Jul 24 2020

Fixed pivoted methods accounting for polynomials in nodal form. Added Loewner…
a87d7b9eb3c6
·pradovera on Jul 24 2020, 16:27.

Jul 23 2020

Added support for storage of polynomials in nodal form. Added options for…
9ac5820092a7
·pradovera on Jul 23 2020, 17:00.

Jun 9 2020

Fixed inconsistent typing of radialWeights. Added test of cut-off in pivoting.
a94b50795e6a
·pradovera on Jun 9 2020, 08:40.

May 7 2020

Improved data extraction from parameterList and sampleList.
274e2ca8da6f
·pradovera on May 7 2020, 16:39.

Apr 28 2020

Removed unnecessary imports and assignments.
c22922b0f948
·pradovera on Apr 28 2020, 15:20.

Apr 27 2020

Added option for adaptive selection of radial scaling for radial basis…
d0bb5a548e8f
·pradovera on Apr 27 2020, 17:01.
Removed polyvanderTotal. Its function is now given within polyvander. Added…
832b76db9ab8
·pradovera on Apr 27 2020, 10:14.

Apr 24 2020

Minor stability improvements in polynomial evaluation. Minor documentation…
25a6ff130b13
·pradovera on Apr 24 2020, 13:48.

Apr 23 2020

Improved radial basis support with threshold decorator. Removed thin plate…
a03104d4d605
·pradovera on Apr 23 2020, 13:34.

Apr 20 2020

Simplified usage of checkParameterList. Updated tests accordingly.
4c06d65b32df
·pradovera on Apr 20 2020, 10:25.

Apr 16 2020

Updated approximants and heaviside routines with parameterMap.
a2be943332da
·pradovera on Apr 16 2020, 15:07.

Mar 25 2020

Added sparse grid option for not reaching domain boundary.
4a9dfb5f74bc
·pradovera on Mar 25 2020, 09:27.

Mar 24 2020

Removed unused imports.
578bf9742242
·pradovera on Mar 24 2020, 16:44.

Mar 19 2020

Fixed evaluation of hat function for non-uniform grids. Renamed lobatto to…
e39156671f06
·pradovera on Mar 19 2020, 11:53.
Fixed wrong coeff size in interpolators. Added length check in interpolator…
f6fabed45f64
·pradovera on Mar 19 2020, 10:25.

Mar 18 2020

Improved naming convention of piecewise linear interpolator. Fixed reordering…
94484901dbb0
·pradovera on Mar 18 2020, 17:01.

Mar 17 2020

Added piecewise linear interpolation engine based on sparse grids.
8889d6574331
·pradovera on Mar 17 2020, 16:19.

Mar 15 2020

Improved robustness of marginal interpolator setup. Fixed issues with corrector…
13e2c35912a3
·pradovera on Mar 15 2020, 08:28.

Mar 12 2020

Removed unused MLS.
97ecaa93f5bd
·pradovera on Mar 12 2020, 07:57.

Mar 10 2020

Fixed issues with new nearest neighbor engine.
08f47005a74b
·pradovera on Mar 10 2020, 14:27.

Mar 7 2020

Added nearest neighbor fitter. Fixed buggy dot products in fitting.
3cacafea472f
·pradovera on Mar 7 2020, 15:44.
Removed unused nearest neighbor from radial basis and mls.
995621bf42fb
·pradovera on Mar 7 2020, 13:56.

Jan 10 2020

Many changes in import visibility.
cd10c5e08a70
·pradovera on Jan 10 2020, 14:34.

Jan 9 2020

Added Wendland radial basis support.
49a52d160c9d
·pradovera on Jan 9 2020, 17:21.

Jan 8 2020

Increased robustness of division by rational denominator. Added numpy linalg…
ab79caeab21d
·pradovera on Jan 8 2020, 13:44.

Dec 4 2019

Improved heaviside stability and point matching.
24216eb4dce9
·pradovera on Dec 4 2019, 16:32.

Nov 4 2019

Fixed missing reorder bug in radial basis vander. Added verbosity in pivoted…
3cab5abd47a9
·pradovera on Nov 4 2019, 11:56.

Oct 30 2019

Fixed (de)marginalization for interpolatory estimator in greedy pivoting. Added…
dc246617094e
·pradovera on Oct 30 2019, 12:29.

Oct 24 2019

Enforced check of parameter type in radial basis evaluation.
2dfb8eed162c
·pradovera on Oct 24 2019, 16:16.
Forced cutoff of poles at infinity. Fixed radial vandermonde bug. Fixed naming…
7d0ea5145031
·pradovera on Oct 24 2019, 16:11.

Oct 21 2019

Branched centeredLike to new class. Simplified special interpolation and…
c0ac829562b8
·pradovera on Oct 21 2019, 12:10.

Oct 18 2019

Multi-D times table hotfix.
a182db5e318d
·pradovera on Oct 18 2019, 12:05.
Improved robustness of RI. Added correction kind. Added univariate polynomial…
9253ed2b70a5
·pradovera on Oct 18 2019, 11:00.

Oct 17 2019

Added polyTimesTable. Simplified computation of numerator using it. Added basic…
d6167b76ff03
·pradovera on Oct 17 2019, 16:22.
Fixed pivoted and mls trained models. Added chordal metric for point matching.
81a9408421f4
·pradovera on Oct 17 2019, 11:58.

Oct 10 2019

Simplified total vandermonde matrix generation with automatic column reordering.
746d0bec2785
·pradovera on Oct 10 2019, 11:36.

Sep 6 2019

Improved stability of dot and solve operations for tensorized sampling.
d2f3921cc61d
·pradovera on Sep 6 2019, 15:39.

Aug 30 2019

Added nearest neighbor. Fixed instability management in rational greedy.
c8d735333cac
·pradovera on Aug 30 2019, 14:07.

Aug 22 2019

Improved greedy a posteriori estimation, removed broken estimators, added EIM…
eae301846e1f
·pradovera on Aug 22 2019, 16:39.

Aug 21 2019

Added symbolic expression support. Moved degree and derivative support to…
b3be051c499c
·pradovera on Aug 21 2019, 14:29.

Aug 16 2019

Added support for discrepancy-based residual estimator. Only works for monomial…
64b0ade86c90
·pradovera on Aug 16 2019, 11:55.

Aug 12 2019

Added safety check on E and R. Simplified access to some quantities and removed…
3ebcc876c765
·pradovera on Aug 12 2019, 08:31.

Aug 9 2019

Added full degree functionalities for pivot (only rational). Amended low…
363631c4358f
·pradovera on Aug 9 2019, 11:14.

Aug 8 2019

Added MLS basic functionalities.
01f1f091d18c
·pradovera on Aug 8 2019, 10:38.

Aug 6 2019

Removed homogeneized parameter from MOR engines. Simplified homogeneized…
d582cfb1057f
·pradovera on Aug 6 2019, 14:45.

Aug 5 2019

Improved point matching algorithm. Changed naming convention for polybasis* and…
fee37408d84d
·pradovera on Aug 5 2019, 17:13.

Aug 2 2019

Rational greedy _fitinv hotfix. Interpolants setup degree parameter bug hotfix.
3bfefc679107
·pradovera on Aug 2 2019, 16:35.

Jul 30 2019

Changed naming convention for RB. Removed scaling as list of callables; now…
89880910ca66
·pradovera on Jul 30 2019, 09:51.
Added RB-PM engine. Added scaling for affine terms. Added pole cut-off for PM.
7e4cb8e64cd8
·pradovera on Jul 30 2019, 08:48.

Jul 26 2019

Added heaviside engine and point matching. Improved pivoted ROMs. Rearranged…
59aa187eb896
·pradovera on Jul 26 2019, 16:15.

Jul 23 2019

Added heaviside functions and engine. Fixed residues computation. Changed…
82c9ca4a90cc
·pradovera on Jul 23 2019, 13:51.

Jul 12 2019

Major rehaul for parametric MOR. Added pivoting sampling and MOR engines.
16a7048180ac
·pradovera on Jul 12 2019, 15:13.

Jul 4 2019

Added proxy for marginalized hfengine. Removed center from operator/RHS…
f15351d47ee3
·pradovera on Jul 4 2019, 13:59.

Jul 3 2019

Added interpolator class. Simplified rational interpolants.
5b359f044155
·pradovera on Jul 3 2019, 15:57.

Jun 18 2019

Simplified verbosity management. Fixed hi-D vandermonde assembly.
1818294aa86a
·pradovera on Jun 18 2019, 18:29.

Jun 7 2019

Decoupled marginalization and root computation. Fixed rational approximant root…
bf864377a9b7
·pradovera on Jun 7 2019, 16:58.

Jun 6 2019

Added roots computation by marginalization.
22e79169193e
·pradovera on Jun 6 2019, 16:37.

May 24 2019

Added dual norm computation and residual evalution. Fixed radial basis…
aee15cb317a6
·pradovera on May 24 2019, 15:43.

May 23 2019

Added radial basis interpolation. Improved rational numerator management. Added…
3130dd7d52b1
·pradovera on May 23 2019, 08:45.

May 21 2019

Fixed bmat warning bug.
7ed0fa13b775
·pradovera on May 21 2019, 11:00.
Completed preliminary radial_basis functions. Added corresponding tests.
7eaf137f882a
·pradovera on May 21 2019, 10:57.

May 20 2019

Started radial basis engine. To be completed and tested.
d8cd90a53969
·pradovera on May 20 2019, 16:23.

Apr 26 2019

Added quadrature sampler with fixed total degree. Added Halton sequence.
614c9d4524da
·pradovera on Apr 26 2019, 18:45.

Apr 25 2019

Fixed distributed numerator index ordering bug. Updated documentation. Using…
57a78d5db9f2
·pradovera on Apr 25 2019, 17:59.

Apr 23 2019

Fixed multiD methods. Allowed compatibility for greedy. Accomodated tests.
b9e7fd6b7408
·pradovera on Apr 23 2019, 16:23.

Apr 12 2019

Fixed rational interpolant. Must check multiD consistency. Added some utilities…
3917ff4af807
·pradovera on Apr 12 2019, 17:23.

Apr 10 2019

Added derivative index hashing. Fixed default value minor bugs. Improved affine…
d7f55bfe6e31
·pradovera on Apr 10 2019, 18:00.

Apr 8 2019

Added Hermite interpolation for new parameter format. Reinstated previous…
70ef15df4a47
·pradovera on Apr 8 2019, 17:56.
Made parameter iterator return iter of list of paramList's. Fixed empty…
ac9a36a9f88e
·pradovera on Apr 8 2019, 10:54.

Apr 5 2019

Removed parameter. Now parameterList's are used for most stuff. Updated…
5e09be0714fb
·pradovera on Apr 5 2019, 17:57.
Added multivariate polynomial management. Added basic radial basis fitting.
4d3b943b2102
·pradovera on Apr 5 2019, 12:14.

Apr 4 2019

Added radial basis fitter. Added multi-D sampling tests. Added parameter sort.
07e82e433467
·pradovera on Apr 4 2019, 17:21.

Apr 3 2019

Made parameters tuples. Added parameter, parameterList, and sampleList classes…
a2f123cbd58e
·pradovera on Apr 3 2019, 17:12.

Mar 28 2019

Fixed deepcopy bug. Added option to assign system terms in hfengines and HF…
b0bf305c09c7
·pradovera on Mar 28 2019, 10:44.

Mar 20 2019

Added LS-Hermite interpolant. Made private members actually private. Created…
c9551b918a85
·pradovera on Mar 20 2019, 12:15.