Implementation of Bairstow method

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MARCU DIANA-NICOLETA
评论： MARCU DIANA-NICOLETA 2020-5-30
Hello guys.
I have this problem and I don't know how to start :
Using the implementation of Bairstow method, find the roots of the equation x^3-x^2-x-1=0 with p=-2 q=-1 eps=1 .
Can anyone help me please with the implementation ? Thank you very much.

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回答（1 个）

Ameer Hamza
Ameer Hamza 2020-5-30
To start, first study the Bairstow method: https://en.wikipedia.org/wiki/Bairstow%27s_method. After you completely understand the maths behind the method, study the following FEX packages to learn its implementation in MATLAB.
https://www.mathworks.com/matlabcentral/fileexchange/58986-bairstow-method
https://www.mathworks.com/matlabcentral/fileexchange/50223-bairstow-s-method-of-finding-all-roots-of-a-polynomial
After you have studied the code in these packages, you will be able to easily write the code for your homework.

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