# [SciPy-user] Eigenvalues of the Floquet matrix

Nils Wagner nwagner@iam.uni-stuttgart...
Sat Mar 14 16:03:40 CDT 2009

On Sat, 14 Mar 2009 16:47:07 -0400
Rob Clewley <rob.clewley@gmail.com> wrote:
> On Sat, Mar 14, 2009 at 4:21 PM, Nils Wagner
> <nwagner@iam.uni-stuttgart.de> wrote:
>> Hi all,
>>
>> I am interested in the stability of time periodic ODE's
>>of
>> the form
>>
>> \dot{y} = A(t) y,  A(t)=A(t+T)          (1)
>
>> How can I improve the numerical results concerning the
>> symmetry ?
>
> I can't see straight away what's causing the numerical
>inaccuracy.
>
>> BTW, the example is taken from a recent paper by
>>Seyranian.
>
> If you send me Seyranian's paper I might be able to work
>it out. Could
> you do that?
>
> -Rob
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http://dx.doi.org/10.1016/j.jsv.2009.01.042

Cheers,

Nils