Response surface: Functional chaos expansion¶
Functional chaos algorithm¶
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Functional chaos algorithm. |
L2 approximation on an orthonormal basis using least-squares and a fixed basis. |
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L2 approximation on an orthonormal basis using least-squares and a fixed basis. |
Construction of the truncated multivariate orthogonal basis¶
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Base class for the construction of the truncated multivariate orthogonal basis. |
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Cleaning truncation strategy. |
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Fixed truncation strategy. |
Computation of the polynomial chaos coefficients¶
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Base class for the evaluation strategies of the approximation coefficients. |
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Integration strategy for the approximation coefficients. |
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Least squares strategy for the approximation coefficients. |
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Approximation algorithm. |
Penalized least squares algorithm factory. |
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Penalized least squares algorithm. |
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Least squares metamodel selection factory. |
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Least squares metamodel selection factory. |
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Basis sequence factory. |
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Least Angle Regression. |
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Fitting algorithm. |
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Corrected leave one out. |
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K-fold. |
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Design matrix cache. |
Least Squares problem resolution¶
Refer to Least squares problems numerical methods.
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Base class for least square solvers. |
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Least squares solver using Cholesky decomposition. |
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Least squares solver using SVD decomposition. |
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Least squares solver using the QR decomposition. |
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Least squares solver using a sparse representation. |
Results¶
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Functional chaos random vector. |
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Functional chaos result. |
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Sensitivity analysis based on functional chaos expansion. |
Functional chaos on fields¶
Functional metamodel algorithm based on chaos decomposition. |
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Functional metamodel result. |
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Sobol indices from a functional decomposition. |