mbaudin47
/ ishigami_decomposition_exact.py
Created
October 20, 2023 21:24
Compute exact coefficients of the standard Legendre expansion of the Ishigami function
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| """ | |
| Le but de ce script est d'obtenir la décomposition en polynômes du chaos | |
| exacte de la fonction Ishigami. | |
| """ | |
| # %% | |
| import sympy as sp | |
| import openturns as ot | |
| from joblib import Parallel, delayed | |
| import time |
mbaudin47
/ ishigami_read_PCE_from_data_file.py
Created
October 15, 2023 17:25
Read a PCE from a table of pre-computed coefficients.
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| """ | |
| Read a PCE from a table of pre-computed coefficients. | |
| Michaël Baudin, 2023 | |
| Reference | |
| --------- | |
| https://github.com/openturns/openturns/issues/2334 | |
| """ | |
| # %% | |
| import openturns as ot |
mbaudin47
/ gist:26eadbd1a503c51326ac36abc89eeb59
Last active
October 6, 2023 19:20
Experiment selection history
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| """ | |
| Experiment the selection history feature available at : | |
| https://github.com/openturns/openturns/pull/2284 | |
| Michaël Baudin, 2023 | |
| """ | |
| # %% | |
| from openturns.usecases import ishigami_function | |
| from openturns.usecases import flood_model | |
| from openturns.usecases import fireSatellite_function | |
| import openturns as ot |
mbaudin47
/ gist:dfe71c411bf551c47fa0bb4188b7c5ef
Created
October 4, 2023 14:32
Create a FunctionalChaosResult with extra-features.
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| #!/usr/bin/env python3 | |
| # -*- coding: utf-8 -*- | |
| """ | |
| Create a FunctionalChaosResult with extra-features. | |
| Compute Sobol' first order (closed) and total indices of a group of variables. | |
| Michaël Baudin, 2023 | |
| """ | |
| import openturns as ot | |
mbaudin47
/ gist:9b07ecc8e957c21b1815a726300e3987
Created
August 31, 2023 13:05
Different versions of the flooding model.
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| """ | |
| Michaël Baudin (2023) | |
| Compare different versions of the flooding model. | |
| Reference | |
| --------- | |
| http://openturns.github.io/openturns/1.19/usecases/use_case_flood_model.html | |
| """ | |
| # %% | |
| import openturns as ot | |
| import openturns.viewer as otv |
mbaudin47
/ burman_openturns.py
Last active
August 2, 2023 10:18
Reproduces (Burman, 1989) with OpenTURNS (1.20).
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| """ | |
| Reproduces (Burman, 1989) with OpenTURNS (1.20). | |
| P. Burman. Comparative study of Ordinary Cross-Validation, | |
| v-Fold Cross-Validation and the repeated Learning-Testing Methods. | |
| Biometrika, 76(3):503–514, 1989. | |
| """ | |
| # %% |
mbaudin47
/ crossValidationDistribution.py
Last active
July 24, 2023 20:35
See the distribution of the leave-one-out and K-Fold MSE estimators
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| """ | |
| Compute the distribution of the cross-validation estimators of the mean squared | |
| error (MSE) of a surrogate model. | |
| Use leave-one-one, K-Fold estimators and Monte-Carlo MSE estimators. | |
| References | |
| ---------- | |
| https://github.com/openturns/openturns/pull/2330 | |
| """ |
mbaudin47
/ benchmarkFunctionalChaosValidation.py
Last active
July 9, 2023 21:02
Benchmark naive and analytical Leave-one-out and KFold cross validation on a FunctionalChaosResult
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| """ | |
| Michaël Baudin, Juin-Juillet 2023. | |
| ## Introduction | |
| Benchmark the PR https://github.com/openturns/openturns/pull/2330 | |
| https://gist.github.com/mbaudin47/794a36842e3f838014bc7069904412ef | |
| This script considers the cross-validation of a polynomial chaos expansion. |
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| """ | |
| Source : | |
| https://matplotlib.org/stable/plot_types/unstructured/tricontourf.html#sphx-glr-plot-types-unstructured-tricontourf-py | |
| https://openturns.discourse.group/t/contour-plots-using-matplotlib/272/2 | |
| """ | |
| import openturns as ot | |
| import openturns.viewer as otv | |
| import matplotlib.pyplot as plt | |
| import matplotlib as mpl | |
| import pylab as pl |