SORRY, my problem should be : Cholesky for NON-POSITIVE matrix????

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1 total messages Started by Chen, Shen Yeh Fri, 22 Jan 1993 09:35

#1023

Author: Chen, Shen Yeh
Date: Fri, 22 Jan 1993 09:35

16 lines
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 This is from Shen-yeh Chen, for further discription of the problem.

 I am sorry, I make a stupid mistake. What I want to ask is

   CHOLESKY METHOD FOR NON-POSITIVE DEFINITE MATRIX

 Non-positive does not mean negative. I am sorry about this.

 Let me state this again :

 1) Is there any method I can use to REDUCE [K], and still solve the system
    when [K] is NOT POSITIVE-DEFINITE?
 2) If such method exists, what's the criteria for positive- or nonpositive
    definite?
 3) Does any body know how to use Gauss method to reduce [K] ??

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