get_method_opt

sherpa.astro.ui.get_method_opt(optname: str | None = None) → Any

Return one or all of the options for the current optimization method.

This is a helper function since the optimization options can also be read directly using the object returned by get_method.

Parameters:

optnamestr, optional

If not given, a dictionary of all the options are returned. When given, the individual value is returned.

Returns:

valuedictionary or value

Raises:

sherpa.utils.err.ArgumentErr

If the optname argument is not recognized.

See also

get_method

Return an optimization method.

set_method

Change the optimization method.

set_method_opt

Change an option of the current optimization method.

Examples

>>> get_method_opt('maxfev') is None
True

>>> mopts = get_method_opt()
>>> mopts['maxfev'] is None
True