roots of frequency Equation (natural frequency)

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fa-ri 2020-7-31

评论： Star Strider 2020-7-31

Hi all

I have a 4x4 coefficient matrix and want to find the roots of frequency Equation by calculate det(A)=0.

I am new with Matlab.

does any body have any idea on it?I've attached the matrix.

Thank you for the help.

fari

Star Strider 2020-7-31

The text file contains a huge symbolic matrix. If it is even possible to calculate the eigenvalues, it would take forever.

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