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In-place normalization during eigensolve

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jan 2017-09-24 19:13:37 -07:00
parent 7342c8efd7
commit 17fa2aa3d3
1 changed files with 2 additions and 2 deletions
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4
fdfd_tools/waveguide_mode.py
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@ -67,8 +67,8 @@ def solve_waveguide_mode_2d(mode_number: int,
eigval = v.conj() @ A @ v
if numpy.linalg.norm(A @ v - eigval * v) < 1e-13:
break
w = spalg.spsolve(A - eigval * sparse.eye(A.shape[0]), v)
v = w / numpy.linalg.norm(w)
v = spalg.spsolve(A - eigval * sparse.eye(A.shape[0]), v)
v /= numpy.linalg.norm(v)
# Calculate the wave-vector (force the real part to be positive)
wavenumber = numpy.sqrt(eigval)