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Fix eigenvalue solver for complex matrices

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jan 2017-09-24 19:11:56 -07:00
commit c14298484d
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fdfd_tools/waveguide_mode.py
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@ -64,7 +64,7 @@ def solve_waveguide_mode_2d(mode_number: int,
eigval = None eigval = None
for _ in range(40): for _ in range(40):
eigval = v @ A @ v eigval = v.conj() @ A @ v
if numpy.linalg.norm(A @ v - eigval * v) < 1e-13: if numpy.linalg.norm(A @ v - eigval * v) < 1e-13:
break break
w = spalg.spsolve(A - eigval * sparse.eye(A.shape[0]), v) w = spalg.spsolve(A - eigval * sparse.eye(A.shape[0]), v)