Engineering & Technology
Mathematics
Physics
Eigenvalues and Eigenvectors of a 2 by 2 Matrix
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Oct 3, 2022
The video starts with the necessary definitions of parallel vectors and the eigenvalues and eigenvectors using numerical examples. Then the calculations start with the main equation of eigenvectors: AX = Lambda X. The condition of the determinant of the matrix A - Lambda I being equal to zero leads to the characteristic equation which when solved gives solutions called the eigenvalues. With the knowledge of the eigenvalues, the eigenvectors are then calculated. We go even further and check that one eigenvector and its corresponding eigenvalue satisfies the equation: AX - Lambda X. This video gives a truly deep analysis of the concept and the calculation skills of eigenvectors and eigenvalues.
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