Simulink/Matlab diference
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Hy Is there a way that I can use roots in simulink and get the same result as in matlab? Does simulink use a different compiler than matlab?(I use roots in a matlab embaded function in simulink and get different results than in matlab). Thank you.
2 Comments
Titus Edelhofer
on 6 Oct 2011
Hi Cosmin,
are the differences large (i.e., not "just" roundoff?). What results do you get?
Titus
Accepted Answer
Walter Roberson
on 6 Oct 2011
Simulink uses a different algorithm, and is documented as possibly returning the roots in a different order. So sort() the complex numbers and you should be fine to within roundoff limits (unless the polynomial was badly scaled.)
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