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allow setting initial guess

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Jan Petykiewicz 2022-11-14 12:39:29 -08:00
commit 4a9198ade7
1 changed files with 2 additions and 1 deletions
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meanas/fdfd/bloch.py
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@ -480,6 +480,7 @@ def eigsolve(
tolerance: float = 1e-20, tolerance: float = 1e-20,
max_iters: int = 10000, max_iters: int = 10000,
reset_iters: int = 100, reset_iters: int = 100,
y0: Optional[ArrayLike] = None,
callback: Optional[Callable[[...], None]] = None, callback: Optional[Callable[[...], None]] = None,
) -> Tuple[NDArray[numpy.complex128], NDArray[numpy.complex128]]: ) -> Tuple[NDArray[numpy.complex128], NDArray[numpy.complex128]]:
""" """
@ -498,6 +499,7 @@ def eigsolve(
max_iters: TODO max_iters: TODO
reset_iters: TODO reset_iters: TODO
callback: TODO callback: TODO
y0: TODO, initial guess
Returns: Returns:
`(eigenvalues, eigenvectors)` where `eigenvalues[i]` corresponds to the `(eigenvalues, eigenvectors)` where `eigenvalues[i]` corresponds to the
@ -526,7 +528,6 @@ def eigsolve(
#prev_theta = 0.5 #prev_theta = 0.5
D = numpy.zeros(shape=y_shape, dtype=complex) D = numpy.zeros(shape=y_shape, dtype=complex)
y0 = None
if y0 is None: if y0 is None:
Z = numpy.random.rand(*y_shape) + 1j * numpy.random.rand(*y_shape) Z = numpy.random.rand(*y_shape) + 1j * numpy.random.rand(*y_shape)
else: else: