[SI-LIST] Re: non-negative off diagonal capacitive matrix elements ??

  • From: Chris Cheng <chris.cheng@xxxxxxxxxxxx>
  • To: "'Raymond.Anderson@xxxxxxx'" <Raymond.Anderson@xxxxxxx>,si-list@xxxxxxxxxxxxx
  • Date: Tue, 4 Sep 2001 11:31:35 -0700

i always wonder if the matrix is inverted through implicit
method such as ICCG instead of explicit LU deposition, will
the round off error still produce +ve off diagonal C elements.
chris


-----Original Message-----
From: Ray Anderson [mailto:Raymond.Anderson@xxxxxxx]
Sent: Friday, August 31, 2001 3:43 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: non-negative off diagonal capacitive matrix
elements ??





Thanks to all who responded on my question of non-negative
off diagonal elements in a capacitance matrix.

As I thought, the concensus opinion was that the very small
positive number was down in the numerical noise and is essentially
a zero entry in the matrix.

Thanks again.


-Ray

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