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- function p = symmmd(S)
- %SYMMMD Symmetric minimum degree.
- % p = SYMMMD(S), for a symmetric positive definite matrix S,
- % returns a permutation p such that S(p,p) tends to have a
- % sparser Cholesky factor than S. Sometimes SYMMMD works well
- % for symmetric indefinite matrices too.
- %
- % See also COLMMD, COLPERM, SYMRCM.
-
- % Copyright (c) 1984-93 by The MathWorks, Inc.
-
- p = sparsfun('symmmd',S);
- [ignore,q] = sparsfun('symetree',S(p,p));
- p = p(q);
-