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Explicit solution could not be found.

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Zach
Zach 2012-10-30
关闭： MATLAB Answer Bot 2021-8-20
I am looking for the value of a parameter,a, when an eigenvalue equals 0. I found the Jacobian matix and have the correct equation for when the eigenvalue is 0.When I try solving for 'a' I get the error: explicit solution could not be found. I know the correct value for a is somewhere between 7.393 and 7.394 through other means. I would like to know the exact value thought.
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Walter Roberson
Walter Roberson 2012-10-30
编辑：Walter Roberson 2012-10-30
What if the exact value is an irrational number such as 2*sqrt(3) ? That would take an infinite number of digits to represent.
If the solution to your matrices involve a polynomial of degree 5 or higher, it might not be possible to find an analytic form for the solution.

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