How can I get an eigenvector with matlab if i know the corresponding eigenvalue.

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B 2017-11-21

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https://ww2.mathworks.cn/matlabcentral/answers/368319-how-can-i-get-an-eigenvector-with-matlab-if-i-know-the-corresponding-eigenvalue

评论： Jan 2017-11-21

The task: "Use MATLAB to help you find an eigenvector for A with eigenvalue 1, with every entry in the eigenvector being a non-negative real number". From this, I suppose I have to use the fact that the eigenvalue is 1 but I do not know how to do that in MATLAB. Would I still use the eig() function? If so, how?

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B 2017-11-21

Thank you!

Jan 2017-11-21

It depends. If you have heard a lesson about algorithms to calculate eigen vectors, using the built-in eig is most likely not wanted. But if you use eig, the eigen values and vectors are replied. Then it is not hard to search for a value of 1.

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