variable_influence module¶
Plot the partial sensitivity of the functions.
- class gemseo.post.variable_influence.VariableInfluence(opt_problem)[source]¶
Bases:
gemseo.post.opt_post_processor.OptPostProcessor
First order variable influence analysis.
This post-processing computes \(\frac{\partial f(x)}{\partial x_i}\left(x_i^* - x_i^{(0)}\right)\) where \(x_i^{(0)}\) is the initial value of the variable and \(x_i^*\) is the optimal value of the variable.
Options of the plot method are:
proportion of the total sensitivity to use as a threshold to filter the variables,
the use of a logarithmic scale,
the possibility to save the indice of the influential variables indices in a NumPy file.
- Parameters
opt_problem (gemseo.algos.opt_problem.OptimizationProblem) – The optimization problem to be post-processed.
- Raises
ValueError – If the JSON grammar file for the options of the post-processor does not exist.
- Return type
None
- check_options(**options)¶
Check the options of the post-processor.
- execute(save=True, show=False, file_path=None, directory_path=None, file_name=None, file_extension=None, fig_size=None, **options)¶
Post-process the optimization problem.
- Parameters
save (bool) –
If True, save the figure.
By default it is set to True.
show (bool) –
If True, display the figure.
By default it is set to False.
file_path (str | Path | None) –
The path of the file to save the figures. If the extension is missing, use
file_extension
. If None, create a file path fromdirectory_path
,file_name
andfile_extension
.By default it is set to None.
directory_path (str | Path | None) –
The path of the directory to save the figures. If None, use the current working directory.
By default it is set to None.
file_name (str | None) –
The name of the file to save the figures. If None, use a default one generated by the post-processing.
By default it is set to None.
file_extension (str | None) –
A file extension, e.g. ‘png’, ‘pdf’, ‘svg’, … If None, use a default file extension.
By default it is set to None.
fig_size (tuple[float, float] | None) –
The width and height of the figure in inches, e.g. (w, h). If None, use the
OptPostProcessor.DEFAULT_FIG_SIZE
of the post-processor.By default it is set to None.
**options (OptPostProcessorOptionType) – The options of the post-processor.
- Returns
The figures, to be customized if not closed.
- Raises
ValueError – If the opt_problem.database is empty.
- DEFAULT_FIG_SIZE = (20.0, 5.0)¶
The default width and height of the figure, in inches.
- property figures: dict[str, matplotlib.figure.Figure]¶
The Matplotlib figures indexed by a name, or the nameless figure counter.
- materials_for_plotting: dict[Any, Any]¶
The materials to eventually rebuild the plot in another framework.
- opt_problem: OptimizationProblem¶
The optimization problem.