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GeomScale

Open-source development of scalable algorithms for geometric statistics
Collective - Host: opensource - https://opencollective.com/geomscale - Website: https://geomscale.github.io - Code: https://github.com/geomscale

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github.com/GeomScale/geomscale.github.io - b5aece9cd7389ebc4846d8b21700a6483c5bb129 authored about 4 years ago by Vissarion Fysikopoulos <[email protected]>
Update website

github.com/GeomScale/geomscale.github.io - 99aa12fdf7138cbf76f08425c28259826df8f046 authored about 4 years ago by Vissarion Fysikopoulos <[email protected]>
Max ball param in generate_samples and rounding (#115)

* Update volestipy.pyx

* Update bindings.cpp

* Update bindings.h

* Update setup.py

*...

github.com/GeomScale/volesti - 1bd54f22a81c869b2054ac91ad45c3fef42bd539 authored about 4 years ago by hariszaf <[email protected]>
Refactoring polytopes (#82)

* Eliminating "init" and refactoring of the constructors
and introducing std::make_pair
* Add ...

github.com/GeomScale/volesti - e547120faaa708c76114c23504cc21728a67f94c authored about 4 years ago by Elias Tsigaridas <[email protected]>
Update DESCRIPTION

github.com/GeomScale/volesti - 6b07cf5da3fcf9cedfb25b68f299e95090256526 authored about 4 years ago by Tolis Chalkis <[email protected]>
Simulated annealing for SDP (#42)

* expose Spectrahedron interface to R

- create class spectrahedron
- expose function to writ...

github.com/GeomScale/volesti - 70809246e5eff188f8e349beacf0a76a35cd6046 authored about 4 years ago by Panagiotis Repouskos <[email protected]>
Add examples for computing volume of hpolytopes (#112)

github.com/GeomScale/volesti - eed490bcaf259369f8813d7f8eac491f492876f2 authored over 4 years ago by Vaibhav Thakkar <[email protected]>
Dikin, Vaidya, John walk (#88)

* implement dikin walk

* implement john walk

* implement vaidya walk

* include random w...

github.com/GeomScale/volesti - 923e4499fc6285d30f7cdb748c7d8649e03a2b5b authored over 4 years ago by AlexManochis <[email protected]>
Marginal diagnostics and optimizations (#108)

* improve implementations

* improve computation of inner ball for H-polytopes

* improve in...

github.com/GeomScale/volesti - d4fb93cf7a8b8e4a6742c7c607ad42b6fb5f7425 authored over 4 years ago by AlexManochis <[email protected]>
Pre-processing step for the Python interface (#113)

* Create setup_hz.py

* Create bindings_hz.cpp

* Create volestipy_hz.pyx

* Create bindin...

github.com/GeomScale/volesti - 8ce21e2bc1cd0d28c1b88075b72ee56434469efe authored over 4 years ago by hariszaf <[email protected]>
Fix print issue while initializing hpolytope (#111)

* Fix -0 bug while initializing hpolytope

* Remove fixed threshold for -0 bug fix

github.com/GeomScale/volesti - 48e8716ad5450169331be1257f37e17055e347e2 authored over 4 years ago by Vaibhav Thakkar <[email protected]>
Get full dimensional polytope for the Python interface (#109)

* Create setup_hz.py

* Create bindings_hz.cpp

* Create volestipy_hz.pyx

* Create bindin...

github.com/GeomScale/volesti - f3da2bd424e61627ce943892037737ce6e1f827d authored over 4 years ago by hariszaf <[email protected]>
Rounding (#107)

* Create setup_hz.py

* Create bindings_hz.cpp

* Create volestipy_hz.pyx

* Create bindin...

github.com/GeomScale/volesti - b574878c983651e9231d1251ee7cb1edc0762e0f authored over 4 years ago by hariszaf <[email protected]>
MCMC diagnostics (#106)

* implement multivariate psrf

* implement multivariate gweke diagnostics

* use matrices as...

github.com/GeomScale/volesti - dae7b62e9abf7a23511e3a02e22a64f5f4422d1c authored over 4 years ago by AlexManochis <[email protected]>
Adding two rounding methods (#96)

* initial implementation of billiard walk

* improved billiard completed for H-polytopes

* ...

github.com/GeomScale/volesti - 35ca94ffc5d4696852d4acb129868cafdd16d4e5 authored over 4 years ago by AlexManochis <[email protected]>
Fix sampling issue #72 (#101)

* set default walk length equal to 1, fix sample_points bug from given starting point

* impro...

github.com/GeomScale/volesti - 2b2a598ec89d0f6f2d81e2f827735a5948ee38aa authored over 4 years ago by Tolis Chalkis <[email protected]>
Adding R vignette (#99)

github.com/GeomScale/volesti - b8a5b65a8aa4ca39632e4008aeb352a41667cb4d authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Logo and README update (#98)

github.com/GeomScale/volesti - 3d526f3295def1bc65dc57a0a00e42f70a8a1979 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Fix R-CMD-ubuntu test (#97)

* Initialize report

* Add solvers file

* WIP: Add Euler ODE Solver

* WIP: Add Euler Met...

github.com/GeomScale/volesti - 29266fbb59c33c72e1fb2a0616fe98aae19b5d8f authored over 4 years ago by Marios Papachristou <[email protected]>
Accelerated billiard walk (#92)

* initial implementation of billiard walk

* improved billiard completed for H-polytopes

* ...

github.com/GeomScale/volesti - b2470c576312070c0618d5188a37d802cf94c20b authored over 4 years ago by AlexManochis <[email protected]>
ODE Solvers (Milestone I) (#90)

* Initialize report

* Add solvers file

* WIP: Add Euler ODE Solver

* WIP: Add Euler Met...

github.com/GeomScale/volesti - c0cc48c3328d0a7ea990cf43c01fb3b08c0b0c24 authored over 4 years ago by Marios Papachristou <[email protected]>
Update README.md

github.com/GeomScale/volesti - 21c6bf53588c2f736fda30a4d28d55158afa12fe authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Update python interface (#94)

* Create setup_hz.py

* Create bindings_hz.cpp

* Create volestipy_hz.pyx

* Create bindin...

github.com/GeomScale/volesti - ac15c1c5188411543aab9c67144ce7a5782a51a2 authored over 4 years ago by hariszaf <[email protected]>
Fix bug in boundary cdhr random walk (#91)

github.com/GeomScale/volesti - a74ae6ad75ec76b0ad591b3e67c4e29d160bba67 authored over 4 years ago by Tolis Chalkis <[email protected]>
Fix deprecated ftime in lpsolve and update README (#89)

github.com/GeomScale/volesti - d8748d8fb44b66b0f8d0b9379b7c4ba5da565c4b authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
fix clang++ segmentation fault (#87)

* fix clang++ segmentation fault

There was a problem with clang when accessing elements of ve...

github.com/GeomScale/volesti - a91a3124f1b44252dda79170176f48cd0ba363cc authored over 4 years ago by Panagiotis Repouskos <[email protected]>
Merge pull request #86 from vissarion/github-actions-cran

GitHub actions for R interface

github.com/GeomScale/volesti - dc3badef2d78c2e140528c0bf3897ed39668e027 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
actions for R

github.com/GeomScale/volesti - 800886c8ce83e70c1b693aa0438e4a96adefdbe0 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Activate tests in github actions (and clang sanitizer) (#85)

* Use actions with -fsanitize=memory

* Use actions with -fsanitize=memory

* Use actions wi...

github.com/GeomScale/volesti - d10b749bbf98528ed9b496035ea4c3bd5a4228ea authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Sdpa format (#36)

* expose Spectrahedron interface to R

- create class spectrahedron
- expose function to writ...

github.com/GeomScale/volesti - b354f404ca240b4d123aa008155087f16320075f authored over 4 years ago by Panagiotis Repouskos <[email protected]>
Update/restructure Readme (#84)

* Update README

* Update README

github.com/GeomScale/volesti - 01a99a2dd4220b01c80f755048839633faecdf4d authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Improvements on cran tests and R interface (#83)

* fix windows errors in cran checks

* update Rd files, fix bugs in direct_sampling and bounda...

github.com/GeomScale/volesti - de42d909d356d410f59ce1bf99a85d9a6963c6dc authored over 4 years ago by Tolis Chalkis <[email protected]>
cran actions

github.com/GeomScale/volesti - 294b6a2f5ea05c9892b10a087ed93e5bbc6f4445 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Fix CRAN interface (#81)

* pass cran check

* fix billiard initialization, rounding shifting and seeding

* add seed ...

github.com/GeomScale/volesti - 200c02bda65901b466d62e1d7883bbd8e571a4da authored over 4 years ago by Tolis Chalkis <[email protected]>
Add simple github actions CI for gcc and clang (#80)

github.com/GeomScale/volesti - 95d18a8b1d8dd8635be6cb7709e2a79dbd07a439 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Merge pull request #79 from vissarion/random_walk_strategies_try

Refactoring volume algorithms and random walks

github.com/GeomScale/volesti - 58a079f96e137b0904694cafd552da807e15334a authored over 4 years ago by Tolis Chalkis <[email protected]>
Enable tests for CB algorithm with V-cubes

github.com/GeomScale/volesti - e3987121754bf5463dcdaecfe134c035343fb0aa authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Resolving conflicts after merging with develop

github.com/GeomScale/volesti - 154e500305bb2e278ffec16aeb5b8307b4fc5d60 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Restructuring volume algorithms and random walks

github.com/GeomScale/volesti - 28da0e8437f44f1ae99d4c4e362ae3441cd9c249 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Rcpp functions with the new structure (#3)

* correct input list algo in Rcpp volume.cpp

* Improvements in rounding and rotating R function...

github.com/GeomScale/volesti - ede4c5bc49e5955ef1794a70257045ba56fa4675 authored over 4 years ago by Tolis Chalkis <[email protected]>
New rounding implementation ans volume approximation for V-poytopes intersection (#2)

* correct input list algo in Rcpp volume.cpp

* Improvements in rounding and rotating R function...

github.com/GeomScale/volesti - 8021daf455314bc37b2f6fbe9dcbbcbe569279c6 authored over 4 years ago by Tolis Chalkis <[email protected]>
Passing walks as objects to volume with runtime arguments

github.com/GeomScale/volesti - 70114b23526746e052a327541c4cb590e931dc14 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Implementation of cb algorithm with H-polytopes in MMC for zonotopes (#1)

* correct input list algo in Rcpp volume.cpp

* Improvements in rounding and rotating R function...

github.com/GeomScale/volesti - f922c7117cc5de0002ef7639244d4407dadce0fe authored over 4 years ago by Tolis Chalkis <[email protected]>
Tests for CG/vpolytopes

github.com/GeomScale/volesti - ade595175fcde6735ae997491f0aa57dd723fefc authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Update delta after walk construction

github.com/GeomScale/volesti - c92df0c59592dfccdd24997b8bd05a3c643db3dd authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Fixes in cooling gaussian algorithm and tests

github.com/GeomScale/volesti - 597b37a4f34d1f5e71931148c7f272ce1d680ad7 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Fix accuracy of CDHR in CG

github.com/GeomScale/volesti - 38b2f822423fbd34762662474ffb7477a371a50e authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Fix tests for CB algorithm and hpolytopes

github.com/GeomScale/volesti - f880d8d0c9f19a7fdd4dee984f5415b081886096 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Improvements and corrections in Rcpp functions (#4)

* correct input list algo in Rcpp volume.cpp

* Improvements in rounding and rotating R function...

github.com/GeomScale/volesti - a00946e650f2ab1d14993a9f4de208f4a5700239 authored over 4 years ago by Tolis Chalkis <[email protected]>
Fixing tests

github.com/GeomScale/volesti - b48b411985d2ecf374bcf781a01b67495fc58990 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Fix walk initialization for CB algorithm

github.com/GeomScale/volesti - c138a05922080364b1f09791503b5ce1fb30dd2e authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Improvements in rounding and rotating R functions (#76)

* add seed in rotate_polytope and update Rd files

* update R rounding function to return the li...

github.com/GeomScale/volesti - 79cf540afbffc6b9563fb30efbad3dd4576b34f2 authored over 4 years ago by Tolis Chalkis <[email protected]>
Tests for CB algorithms and various walks (expect to fail at this stage)

github.com/GeomScale/volesti - e15b5605aef09655c7510ccc5d0a0e988f98eac9 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Benchmarks and tests (sob and gc algorithms)

github.com/GeomScale/volesti - 2feee11d868229a88c52fd2f330d4d423f725f46 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Removing old implementation files and renaming

github.com/GeomScale/volesti - ad2fbf2ffb8f06f4017b426e9339ce1f7a51a81e authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Tests for sob algo using hpoly

github.com/GeomScale/volesti - 770feee52e82902227ce45926dca5b7266177421 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Const references and styling for cooling balls algorithm

github.com/GeomScale/volesti - 00032c3e7b23dd364607a0535192ab2cdb512bf3 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
change 'algo' to 'settings' in volume function. remove unused methods in c++ polytope classes

github.com/GeomScale/volesti - d55ff2b572316cd389ef94c174929ecc137eb6b9 authored over 4 years ago by Tolis <[email protected]>
Fix non const parameters in rand_exp_range (#71)

Remove const from function parameter

github.com/GeomScale/volesti - 96f9576ab5d310a154585d221ca6a6efb95c2265 authored over 4 years ago by Panagiotis Repouskos <[email protected]>
Fix seed in gen_rand_hpoly (#74)

* update input variable names in sample_points(), direct_sampling() and vpolytope-intersection R...

github.com/GeomScale/volesti - fa05bcfcb4a26403384ae930dc7a495768cb56e5 authored over 4 years ago by Tolis Chalkis <[email protected]>
delete cran package files

github.com/GeomScale/volesti - e78733f993e4f81c993a9d40b66f47e330f40add authored over 4 years ago by Tolis <[email protected]>
update R tests and NEWS.md file

github.com/GeomScale/volesti - 5235766ea6116e1c5e16338ee33dbf5b51ba80f4 authored over 4 years ago by Tolis <[email protected]>
update zonotope_approximation input variables

github.com/GeomScale/volesti - 0a82201f0dba971ab7ee65e079140bf29cfdc359 authored over 4 years ago by Tolis <[email protected]>
update input variable names in sample_points(), direct_sampling() and vpolytope-intersection R class

github.com/GeomScale/volesti - 44c9b7cce184154d7bb2f853764377f39b398725 authored over 4 years ago by Tolis <[email protected]>
Remove unnecessary constructors in random walks, put const refs

github.com/GeomScale/volesti - f50bbcb1620fa1d8c42de806142e69b68ff28859 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Add const refs, missing includes, const vars for tolerance, fix some code styling

github.com/GeomScale/volesti - a429037bc130aac03824b9cfd5562b43c00fff72 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Removing unused variables, setting const refs where needed

github.com/GeomScale/volesti - a40a3d1e249a2fb53c62db61a7fa273742df591d authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Fix line_intersect function

github.com/GeomScale/volesti - 6f24233c996cb851b8a40578de6344c8035754a1 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Remove duplicate seed from rcpp

github.com/GeomScale/volesti - 3527a4411af638fbdd2cd3449f43c803b824f4ef authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Create README.md

github.com/GeomScale/gsod2020 - 9aca060e68f9aa914c5e31c3d3b779ba4bc5d1e1 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
overloading rotating() function and remove unused comments

github.com/GeomScale/volesti - 25d9824d711256a14227b89a211c99c1625959f3 authored over 4 years ago by Tolis <[email protected]>
Improvements in rounding and rotating R functions (#76)

* add seed in rotate_polytope and update Rd files

* update R rounding function to return the ...

github.com/GeomScale/volesti - ef5da16a876a8d0f25a93d0b620d3b0d5ffe0229 authored over 4 years ago by Tolis Chalkis <[email protected]>
Fixing the scope of variables and using const where possible in gausian annealing

github.com/GeomScale/volesti - c66050945cb01483ee155477ad49f4a74dce185f authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Update delta for ball walk and removing unused paremeter passing in gaussing cooling algorithm

github.com/GeomScale/volesti - 2bdf48f19ac79ab2b019f8a82cc6a893ccae3215 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Fixing the scope of several variables in gaussian cooling

github.com/GeomScale/volesti - cd56f60a3fdd7612393766542d88fd5a6fe3f0da authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Design simpler Walk interface

github.com/GeomScale/volesti - 2c7024a98d3d819aa9e446aee703143dc776f7c8 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
CDHR walk for GC algorithm

github.com/GeomScale/volesti - ea889a95e4380a7cb13e0e77e47a3277b654f1ca authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
RDHR walk for GC algorithm

github.com/GeomScale/volesti - c3d40df020300687da543b80ea29dce10c8a2a41 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Expose rnd seed in highest level

github.com/GeomScale/volesti - d507165cae323a64b003ca6aa36bdf4f6f30b16d authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Ball walk for GC algorithm

github.com/GeomScale/volesti - 63ec811b42272cb17a6da95540af3aff36a34b83 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
RNG interface with fixed seed

github.com/GeomScale/volesti - 4a4357a82769290fd5ddf6f0f687c320c5c71d06 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Random number generator struct

github.com/GeomScale/volesti - 9d700f5c61d21af20a5f63a3e664c5fed9e70384 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Optimization: move random generators creation outside of random walk helpers

github.com/GeomScale/volesti - 3ac7cdba44693650a5d8ff31e57dad0a0a13add5 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
New volume function example

github.com/GeomScale/volesti - e173645c7ffde669a3327938eb02e9e03b6ac73d authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Use billiard walk in SOB algorithm (#75)

* fix seed in rand_hpoly_generator

* enable SOB algorithm with billiard walk

* enable SOB algo...

github.com/GeomScale/volesti - 69664dedd5252031afd2a763ea0f1d6d3f86f747 authored over 4 years ago by Tolis Chalkis <[email protected]>
Update readme, add `doc` directory and tutorials (#70)

github.com/GeomScale/volesti - 3ec8e416fe9477b43c7623de1602dc29238a12ff authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Cleanup SoB volume algorithm

github.com/GeomScale/volesti - 209c13a00c8297134a59288f6862e2dea6a58355 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
New design for cooling balls algorithm

github.com/GeomScale/volesti - 1dbcd6ebd4efb730b5c749662ab534db26570c74 authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
correct input list algo in Rcpp volume.cpp

github.com/GeomScale/volesti - 64e7a39dee733449f18f006c88871c682f9b19b4 authored over 4 years ago by Tolis <[email protected]>
Use billiard walk in SOB algorithm (#75)

* fix seed in rand_hpoly_generator

* enable SOB algorithm with billiard walk

* enable SOB ...

github.com/GeomScale/volesti - d3bda40e69f813ff0dd8933f6a27be26d755c834 authored over 4 years ago by Tolis Chalkis <[email protected]>
new volume structure SoB plus random walks

github.com/GeomScale/volesti - ddcbfebbdc87e760b0a93ec2029ece6338b1be3f authored over 4 years ago by Vissarion Fisikopoulos <[email protected]>
Fix seed in gen_rand_hpoly (#74)

* update input variable names in sample_points(), direct_sampling() and vpolytope-intersection R...

github.com/GeomScale/volesti - f10edad43b0d0659d36b1c68b9fb0138474055bb authored over 4 years ago by Tolis Chalkis <[email protected]>
Merge pull request #73 from TolisChal/improve_interface

Improvements in R interface

github.com/GeomScale/volesti - 02b9afa466a51940399107bced977952c7c2e44f authored over 4 years ago by Tolis Chalkis <[email protected]>
delete cran package files

github.com/GeomScale/volesti - 4b6b1ec5aa5dc22365ed0be72a38088d54f13a2a authored over 4 years ago by Tolis <[email protected]>
update zonotope_approximation input variables

github.com/GeomScale/volesti - dabf4fd94c36d56e56377bc8034c75cae8b6e6d9 authored over 4 years ago by Tolis <[email protected]>
update R tests and NEWS.md file

github.com/GeomScale/volesti - aed400c0a3efaf51b2aaa251fc19dda378e7a00f authored over 4 years ago by Tolis <[email protected]>
change 'algo' to 'settings' in volume function. remove unused methods in c++ polytope classes

github.com/GeomScale/volesti - aed8e0124ec17d04b6e519d013a05e1fea2592db authored over 4 years ago by Tolis <[email protected]>
update input variable names in sample_points(), direct_sampling() and vpolytope-intersection R class

github.com/GeomScale/volesti - 3c4b0652721d5d7a96ea4d6ed706ea6cf5cdb536 authored over 4 years ago by Tolis <[email protected]>
Fix non const parameters in rand_exp_range (#71)

Remove const from function parameter

github.com/GeomScale/volesti - 03693912eca210c4ec87488d675750f8f41c870a authored almost 5 years ago by Panagiotis Repouskos <[email protected]>
Use eigen types as internal structures (#29)

* Changed class point to store coefficients to Eigen vector instead of std::vector. Made requir...

github.com/GeomScale/volesti - 8f36ef402f9fbfde43e224429442cca291d73fbd authored almost 5 years ago by Panagiotis Repouskos <[email protected]>