lsst.scarlet.lite gee10cc3b42+43dac7135f
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Public Member Functions | |
__init__ (self, np.ndarray x, float step, Callable|None grad=None, Callable|None prox=None, float t0=1, np.ndarray|None z0=None) | |
update (self, int it, np.ndarray input_grad, *args) | |
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float | step (self) |
tuple[int,...] | shape (self) |
npt.DTypeLike | dtype (self) |
Parameter | copy (self) |
resize (self, Box old_box, Box new_box) | |
Public Attributes | |
t | |
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x | |
helpers | |
grad | |
prox | |
Additional Inherited Members | |
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_step | |
A `Parameter` that updates itself using the Beck-Teboulle 2009 FISTA proximal gradient method. See https://www.ceremade.dauphine.fr/~carlier/FISTA
lsst.scarlet.lite.parameters.FistaParameter.__init__ | ( | self, | |
np.ndarray | x, | ||
float | step, | ||
Callable | None | grad = None, | ||
Callable | None | prox = None, | ||
float | t0 = 1, | ||
np.ndarray | None | z0 = None ) |
Reimplemented from lsst.scarlet.lite.parameters.Parameter.
lsst.scarlet.lite.parameters.FistaParameter.update | ( | self, | |
int | it, | ||
np.ndarray | input_grad, | ||
* | args ) |
Update the parameter and meta-parameters using the PGM See `Parameter` for the full description.
Reimplemented from lsst.scarlet.lite.parameters.Parameter.