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85030448c3
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Use L-BFGS instead of CG, and remove rayleigh iteration refinement
scipy CG doesn't seem to converge as well as L-BFGS... worth looking
into later
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2017-12-21 20:11:30 -08:00 |
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16f97d7f6b
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Add ability to set bounds for find_k
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2017-12-18 00:13:29 -08:00 |
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f312d73503
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Return real part of the gradient
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2017-12-17 22:55:55 -08:00 |
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39979edc44
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implement eigenvalue algorithm from Johnson paper. Could also use arpack + refinement, but that's also slow.
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2017-12-17 21:33:53 -08:00 |
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4a9596921f
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rename search_direction to direction
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2017-12-17 21:32:59 -08:00 |
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000cfabd78
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switch fft, ifft
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2017-12-17 21:32:29 -08:00 |
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4aa2d07cef
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Add Bloch eigenproblem
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2017-12-14 11:36:08 -08:00 |
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