C⚙G - Imperial College London

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30 repositories

OMLT
Public
Represent trained machine learning models as Pyomo optimization formulations
python neural-network optimization cnn modeling-language pyomo mathematical-modelling nonlinear-optimization keras-neural-networks nonlinear-programming
Python
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Other
•59•289•20•7•Updated Dec 14, 2024Dec 14, 2024
Limeade
Public
Official implementation of the paper “Limeade: Let integer molecular encoding aid”
Python
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MIT License
•1•22•0•0•Updated Nov 26, 2024Nov 26, 2024
entmoot
Public
Multiobjective black-box optimization using gradient-boosted trees
python optimization hyperparameter-optimization black-box-optimization bayesian-optimization multiobjective-optimization mixed-integer-programming gradient-boosted-trees
Python
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BSD 3-Clause "New" or "Revised" License
•12•56•5•0•Updated Jul 4, 2024Jul 4, 2024
OMLT_CAMD
Public
Repository for paper: "Augmenting optimization-based molecular design with graph neural networks".
Python
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BSD 3-Clause "New" or "Revised" License
•2•3•0•0•Updated May 16, 2024May 16, 2024
GNN_MIP_CAMD
Public
Repository for paper: "Optimizing over trained GNNs via symmetry breaking".
Python
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BSD 3-Clause "New" or "Revised" License
•1•3•0•0•Updated May 16, 2024May 16, 2024
SnAKe
Public
Repository for paper: "SnAKe: Bayesian Optimization with Pathwise Exploration".
Python
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BSD 3-Clause "New" or "Revised" License
•1•15•0•0•Updated Feb 9, 2024Feb 9, 2024
DCBO
Public
Repository for paper: "Dependence in constrained Bayesian optimization: When do we need it and how does it help?".
Python
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BSD 3-Clause "New" or "Revised" License
•1•2•0•0•Updated Oct 10, 2023Oct 10, 2023
tree_kernel_gp
Public
Python
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BSD 3-Clause "New" or "Revised" License
•2•6•0•1•Updated Oct 6, 2023Oct 6, 2023
Partial-Lasserre-relaxation-sparse-maxcut
Public
C++
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BSD 3-Clause "New" or "Revised" License
•1•2•0•0•Updated Jul 17, 2023Jul 17, 2023
romodel
Public
Modeling robust optimization problems in Pyomo
robust-optimization pyomo
Python
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MIT License
•14•82•2•1•Updated Nov 11, 2022Nov 11, 2022
galini
Public
An extensible MINLP solver
optimization minlp pyomo nonlinear-optimization mathematical-programming minlp-solver mixed-integer-optimization
Python
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Apache License 2.0
•4•43•4•1•Updated Sep 23, 2022Sep 23, 2022
suspect
Public
Special Structure Detection for Pyomo
pyomo nonlinear-optimization mathematical-programming convexity mixed-integer-optimization
Python
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Apache License 2.0
•4•27•1•0•Updated Jul 14, 2022Jul 14, 2022
moo_trees
Public
Python
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BSD 3-Clause "New" or "Revised" License
•0•1•0•0•Updated Nov 4, 2021Nov 4, 2021
PartitionedFormulations_NN
Public
Implementation of partition-based formulations for mixed-integer optimization of trained ReLU neural networks
Python
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Apache License 2.0
•0•3•0•0•Updated Oct 22, 2021Oct 22, 2021
pypopt
Public
Bindings to Ipopt C++ library for Python. 🐍
Python
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Apache License 2.0
•0•3•0•0•Updated May 5, 2021May 5, 2021
galini-dashboard
Public
Dashboard for the GALINI Solver
JavaScript
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Apache License 2.0
•0•2•0•0•Updated May 5, 2021May 5, 2021
rogp
Public
Modeling Gaussian Processes in Pyomo
machine-learning pyomo gaussian-processes
Python
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MIT License
•0•3•0•0•Updated Apr 9, 2021Apr 9, 2021
pooling-network
Public
Python
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Apache License 2.0
•1•8•0•0•Updated Mar 26, 2021Mar 26, 2021
drill-scheduling
Public
Pyomo implementation of a drill scheduling case study
optimization scheduling pyomo
Python
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MIT License
•0•0•0•0•Updated Mar 9, 2021Mar 9, 2021
concrete_GBT_instance_for_mixed_integer_convex_optimization_with_GBTs_embedded
Public
0•0•0•0•Updated Aug 14, 2020Aug 14, 2020
points_in_circles
Public
This repository contains a collection of MINLP test instances available in both .nl and .gms format.
GAMS
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MIT License
•1•0•0•0•Updated Aug 6, 2020Aug 6, 2020
SDPCutSel-via-NN
Public
Selecting cutting planes for quadratic semidefinite outer-approximation via trained neural networks
Python
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GNU General Public License v3.0
•2•2•0•0•Updated Oct 14, 2019Oct 14, 2019
GPdoemd
Public
Design of experiments for model discrimination using Gaussian process surrogate models
Python
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MIT License
•6•36•0•0•Updated Mar 15, 2019Mar 15, 2019
min_matches_heuristics
Public
Source code of the methods proposed in "Dimitrios Letsios, Georgia Kouyialis, Ruth Misener. Heuristics with Performance Guarantees for the Minimum Number of Matches Problem in Heat Recovery Network Design. Computers and Chemical Engineering 113:57-85, 2018".".
GAMS
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Apache License 2.0
•1•6•0•0•Updated Feb 18, 2019Feb 18, 2019
stn
Public
Python
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MIT License
•5•1•0•0•Updated Jul 17, 2018Jul 17, 2018
two_stage_scheduling
Public
Exact lexicographic scheduling methods and approximate recovery strategies for two-stage makespan scheduling
Python
•1•3•0•0•Updated May 21, 2018May 21, 2018
tidal_turbines-source_inversion
Public
A repository for solving tidal stream turbine optimization with mixed-integer pde-constrained optimization
Python
•2•1•0•0•Updated Sep 8, 2017Sep 8, 2017
StdPooling-PolyAlgos
Public
Implementation of polynomial-time algorithms for subclasses of single quality standard pooling problems.
GAMS
•1•0•0•0•Updated Aug 10, 2017Aug 10, 2017
hens
Public
Mistry, M., Misener, R. 2016. Optimising heat exchanger network synthesis using convexity properties of the logarithmic mean temperature difference. Computers & Chemical Engineering. 94, 1-17.
Python
•5•3•0•0•Updated Aug 4, 2017Aug 4, 2017
PoolingProblemDetection
Public
F. Ceccon, G. Kouyialis, R. Misener, "Using functional programming to recognize named structure in an optimization problem: Application to pooling"
F#
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MIT License
•1•2•0•0•Updated Apr 29, 2017Apr 29, 2017