gemseo / problems / uncertainty / ishigami

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ishigami_discipline module

The Ishigami function as a discipline.

class gemseo.problems.uncertainty.ishigami.ishigami_discipline.IshigamiDiscipline[source]

Bases: MDODiscipline

The Ishigami function as a discipline.

\[f(x_1,_2,x_3) = \sin(x_1)+ 7\sin(x_2)^2 + 0.1x_3^4\sin(X_1)\]

See [IH90].

cache: BaseCache | None

The cache containing one or several executions of the discipline according to the cache policy.

data_processor: DataProcessor

A tool to pre- and post-process discipline data.

exec_for_lin: bool

Whether the last execution was due to a linearization.

input_grammar: BaseGrammar

The input grammar.

jac: MutableMapping[str, MutableMapping[str, ndarray | csr_array | JacobianOperator]]

The Jacobians of the outputs wrt inputs.

The structure is {output: {input: matrix}}.

name: str

The name of the discipline.

output_grammar: BaseGrammar

The output grammar.

re_exec_policy: ReExecutionPolicy

The policy to re-execute the same discipline.

residual_variables: dict[str, str]

The output variables mapping to their inputs, to be considered as residuals; they shall be equal to zero.

run_solves_residuals: bool

Whether the run method shall solve the residuals.

Examples using IshigamiDiscipline

Comparing sensitivity indices

Comparing sensitivity indices

Correlation analysis

Correlation analysis

Morris analysis

Morris analysis

Sobol’ analysis

Sobol' analysis