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Thread Subject:
How do I solve an equation involving determinants?

Subject: How do I solve an equation involving determinants?

From: Joseph K.

Date: 4 Jul, 2010 18:10:09

Message: 1 of 3

Hi;

I'm a fairly inexperienced user, so I figure the answer should be simple. I have searched on other forums to find the answer, but was unsuccessful. I need to be able to solve the following equation for the value(s) of x.

det(SA + x*SAg) = 0

Subject: How do I solve an equation involving determinants?

From: Roger Stafford

Date: 5 Jul, 2010 01:29:05

Message: 2 of 3

"Joseph K." <sos@mailinator.com> wrote in message <i0qiq1$ifm$1@fred.mathworks.com>...
> Hi;
>
> I'm a fairly inexperienced user, so I figure the answer should be simple. I have searched on other forums to find the answer, but was unsuccessful. I need to be able to solve the following equation for the value(s) of x.
>
> det(SA + x*SAg) = 0
- - - - - - - - - -
  Find the generalized eigenvalues and reverse their sign:

 x = -eig(SA,SAg);

Roger Stafford

Subject: How do I solve an equation involving determinants?

From: Joseph K.

Date: 5 Jul, 2010 05:03:04

Message: 3 of 3



Thanks Roger!

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