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- %CHOL Cholesky factorization.
- % CHOL(X) uses only the diagonal and upper triangle of X.
- % The lower triangular is assumed to be the (complex conjugate)
- % transpose of the upper. If X is positive definite, then
- % R = CHOL(X) produces an upper triangular R so that R'*R = X.
- % If X is not positive definite, an error message is printed.
- %
- % With two output arguments, [R,p] = CHOL(X) never produces an
- % error message. If X is positive definite, then p is 0 and R
- % is the same as above. But if X is not positive definite, then
- % p is a positive integer and R is an upper triangular matrix of
- % order q = p-1 so that R'*R = X(1:q,1:q).
-
- % Copyright (c) 1984-93 by The MathWorks, Inc.
- % Built-in function.
-