How to solve a matrix quadratic equation?
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How can I solve this kind of determinant equation? Here is the example:
det(K-w²*M)=0
Where I know de matrix K (3x3) and M (3x3), and have to find the vector w.
Waiting to your reply, thank you in advance!
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回答 (2 件)
Ajay Kumar
2020 年 2 月 20 日
Kminusw2 = K - w^2;
mymatrix = Kminusw2.*M;
myfinalanswer = det(mymatrix);
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