# Which algorithm eig () function use ?

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Abdullah Khan el 10 de Sept. de 2013
Comentada: MD SHAHNAWAZ HUSSAIN el 12 de Mzo. de 2019
Which algorithm eig () function use ?
I have to impliment on FPGA , can how can i find eig whithout using matlab functions , or very less
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Jan el 10 de Sept. de 2013
Which version of Matlab do you mean?
There are e.g. differences between Matlab 7.1 and Matlab 7.9. And even the same Matlab version produces slightly different results on different platforms.
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Geert el 10 de Sept. de 2013
Editada: Geert el 10 de Sept. de 2013
Good question.
I always thought the default eigenvalue algorithm was the QR algorithm ( http://people.inf.ethz.ch/arbenz/ewp/Lnotes/chapter3.pdf ), but this is just a guess...
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Abdullah Khan el 10 de Sept. de 2013
Any version , gotta implement the ago on FPGA
Thanks
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Jan el 10 de Sept. de 2013
Do I understand correctly, that your question does not concern Matlab's eig() function, but that you are searching for a general algorithm? Then asking WikiPedia might be a better idea than a Matlab forum.
MD SHAHNAWAZ HUSSAIN el 10 de Mzo. de 2019
can u plz tell me which algo has been used for eig() in matlab 2014a and 2018b?

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Christine Tobler el 11 de Mzo. de 2019
There are different algorithms for solving eigenvalue problems, depending on the properties of the inputs. The most well-known standard library for linear algebra operations is LAPACK, which is open source. Here is a reference page on solving eigenvalue problems from LAPACK:
and here's a list of some LAPACK functions related to solving the eigenvalue problem:
If you need MATLAB code that calls EIG to be translated to C code, you could also look at MATLAB Coder, which will generate C code to solve, for example, an eigenvalue problem if EIG is used.
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MD SHAHNAWAZ HUSSAIN el 12 de Mzo. de 2019
Thanks a lot for ur response n precious time christine

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