Diffusion RationalROMPy (master) History

RROMPy/rrompy/utilities/numerical
master4fa12654f76ed16d99613e0…

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.

Feb 4 2021

Allowed choice of N in greedy rational approximants. Extended boundary…
3ed0e7470800
·pradovera on Feb 4 2021, 15:33.

Jan 19 2021

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

Jan 8 2021

Added rational-matching pivoted approach. Forced rational approximant to be…
3cd8a5f7ed4d
·pradovera on Jan 8 2021, 14:19.

Dec 16 2020

Implemented option for post-addition of samples for non-greedy approximants.
74dce5ca631d
·pradovera on Dec 16 2020, 10:43.

Nov 30 2020

Fixed broken tolerance for barycentric rational interpolation. Removed wrong…
db0e167dfa97
·pradovera on Nov 30 2020, 10:52.

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.

Nov 3 2020

Fixed several chordal metric bugs. Introduced gramian for correct online…
edf4e7c8a2a8
·pradovera on Nov 3 2020, 17:32.

Nov 2 2020

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

Oct 13 2020

Merging branch for quadratic outputs into develop branch.
32c29a446952
·pradovera on Oct 13 2020, 13:32.
Fixed quadratic output support in pivoted approximants. Improved memory usage…
b8845f11b91e
·pradovera on Oct 13 2020, 12:46.
Updated copyright info.
d0032ae416e8
·pradovera on Oct 13 2020, 08:08.

Oct 12 2020

Removed option to compress trainedModel with quadratic output. Fixed residue…
af326aaad17f
·pradovera on Oct 12 2020, 16:38.

Sep 30 2020

Bugfix of greedy postprocessing and chordal metric computation.
fb546aae4e7e
·pradovera on Sep 30 2020, 08:50.

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 18 2020

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

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.

Jun 9 2020

Fixed MPI warning in tests. Minor changes in pseudo-random generators.
91789703024d
·pradovera on Jun 9 2020, 10:41.

May 7 2020

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

Apr 24 2020

Improved marginal interpolant construction. Now piecewise linear approach does…
d95210f42d10
·pradovera on Apr 24 2020, 13:53.

Apr 20 2020

Made angle computation in point matching based on chordal metric. Fixed…
7d0e009ae55c
·pradovera on Apr 20 2020, 13:12.

Mar 31 2020

Minor bug fixes.
5be0ac5adcd1
·pradovera on Mar 31 2020, 08:42.

Mar 30 2020

Externalized rational function matching. Added shift-based matching strategy.
32d44644b439
·pradovera on Mar 30 2020, 15:45.

Mar 24 2020

Removed unused imports.
578bf9742242
·pradovera on Mar 24 2020, 16:44.
Added conversion to list of vector-like approxParameters to fix comparison…
49a3c8f49409
·pradovera on Mar 24 2020, 11:35.

Mar 23 2020

Reweighted residue angle in distance table.
92dbfefca381
·pradovera on Mar 23 2020, 17:09.

Mar 16 2020

Added approximant postprocessing by recompression.
b137670b9ccf
·pradovera on Mar 16 2020, 13:03.

Jan 10 2020

Many changes in import visibility.
cd10c5e08a70
·pradovera on Jan 10 2020, 14:34.
Improved potential computations through ground potential and more accurate foci.
ed196b94ea0f
·pradovera on Jan 10 2020, 12:04.

Jan 8 2020

Increased robustness of division by rational denominator. Added numpy linalg…
ab79caeab21d
·pradovera on Jan 8 2020, 13:44.
Removed forced subsampling in generating parameters over shapes. Now samples…
b454913b3303
·pradovera on Jan 8 2020, 13:37.

Jan 7 2020

Added shape parameter samplers. Reorganized parameter sampling. Added auxiliary…
b530dd9aec1f
·pradovera on Jan 7 2020, 10:09.

Dec 18 2019

Moved marginal interpolation routines to trained model. Improved robustness of…
9d16e8bc7db9
·pradovera on Dec 18 2019, 17:54.
Added automatic selection of M, N, and R in standard approximants. Removed…
fbc3e90f9298
·pradovera on Dec 18 2019, 09:25.

Dec 6 2019

Removed type of cutoff function for recompression. Updated plot of greedy error…
ab27a238d85f
·pradovera on Dec 6 2019, 10:16.

Dec 4 2019

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

Oct 18 2019

Improved inheritance for pivoted PI. Improved stability of interpolation over…
89ba3b5fa1b0
·pradovera on Oct 18 2019, 15:40.

Sep 18 2019

Removed unused homogeneized. Externalized Rayleigh quotient iteration tool.
725972a737ed
·pradovera on Sep 18 2019, 12:06.

Sep 11 2019

Removed eye-like. Increased robustness of Np2DLike's, dot, and solve for…
1ae212059eac
·pradovera on Sep 11 2019, 08:31.

Aug 30 2019

Added tensorized sample management (dot and solve). Removed batch sampling.
ba6c30fad025
·pradovera on Aug 30 2019, 16:11.

Aug 21 2019

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

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 31 2019

Simplified residual computation for greedy. Fixed rational greedy estimator.
9c5b6eb31718
·pradovera on Jul 31 2019, 15:55.

Jul 30 2019

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.