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23 lines
628 B
Python
23 lines
628 B
Python
5 years ago
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"""
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Eigenvalue solver using iterative methods.
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Find k eigenvectors and eigenvalues of a matrix A using the
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Arnoldi/Lanczos iterative methods from ARPACK [1]_,[2]_.
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These methods are most useful for large sparse matrices.
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- eigs(A,k)
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- eigsh(A,k)
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References
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----------
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.. [1] ARPACK Software, http://www.caam.rice.edu/software/ARPACK/
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.. [2] R. B. Lehoucq, D. C. Sorensen, and C. Yang, ARPACK USERS GUIDE:
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Solution of Large Scale Eigenvalue Problems by Implicitly Restarted
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Arnoldi Methods. SIAM, Philadelphia, PA, 1998.
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"""
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from __future__ import division, print_function, absolute_import
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from .arpack import *
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