From help-octave-request at bevo dot che dot wisc dot edu Mon Dec 6 14:04:42 1999 Subject: RE: LU decomposition/backsubstitution From: "John W. Eaton" To: Michael Hanke Cc: Ted dot Harding at nessie dot mcc dot ac dot uk, help-octave@bevo.che.wisc.edu Date: Mon, 6 Dec 1999 14:04:40 -0600 (CST) On 6-Dec-1999, Michael Hanke wrote: | One could use the LU decomposition [L,U]=lu(A), and | then x=U\(L\b). This works efficiently if octave sees that L and U are | triangular (at least after permutation). Does octave see this? No, not yet. jwe ----------------------------------------------------------------------- Octave is freely available under the terms of the GNU GPL. Octave's home on the web: http://www.che.wisc.edu/octave/octave.html How to fund new projects: http://www.che.wisc.edu/octave/funding.html Subscription information: http://www.che.wisc.edu/octave/archive.html -----------------------------------------------------------------------