BlockSplitPointSearch |
Computes the splitting points with the given threshold.
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EigenBoundUtils |
Utility methods for computing bounds of eigenvalues.
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EigenCount |
Counts the number of eigenvalues in a symmetric tridiagonal matrix T that are less than a
given value x.
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EigenCountInRange |
Finds the number of eigenvalues of the symmetric tridiagonal matrix T that are in a given
interval.
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LDDecomposition |
Represents a L D LT decomposition of a shifted symmetric tridiagonal matrix
T.
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LDFactorizationFromRoot |
Decomposes (T - σ I) into L D LT where T is a symmetric
tridiagonal matrix, σ is a shift for this factorization, L is a unit lower
triangular matrix, and D is a diagonal matrix.
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MR3 |
Computes eigenvalues and eigenvectors of a given symmetric tridiagonal matrix T using
"Algorithm of Multiple Relatively Robust Representations" (MRRR).
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SturmCount |
Computes the Sturm count, the number of negative pivots encountered while factoring tridiagonal
T - σ I = LDLT.
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SymmetricEigenByMR3 |
Computes eigen decomposition for a symmetric matrix using "Algorithm of Multiple Relatively
Robust Representations" (MRRR).
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SymmetricEigenFor2x2Matrix |
Computes the eigen decomposition of a 2-by-2 symmetric matrix in the following form by symmetric
QR algorithm.
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