- #1
anahita
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Hi.
How do you calculate Total eigenvalues smaller than a certain value in Matlab?
How do you calculate Total eigenvalues smaller than a certain value in Matlab?
To calculate the total eigenvalues in Matlab, you can use the "eig" function. This function takes a matrix as its input and returns a vector of eigenvalues. Simply sum these values to get the total eigenvalues.
No, the "eig" function in Matlab only works for square matrices. If you have a non-square matrix, you will need to use a different method or convert it to a square matrix first.
Calculating total eigenvalues for large matrices can be time-consuming and may even cause memory issues. In this case, it is recommended to use the "eigs" function instead of "eig". This function uses iterative methods to find a subset of eigenvalues, making it faster and more memory-efficient.
Yes, you can use the "eig" function to calculate the eigenvalues and then plot them using the "plot" function. Alternatively, you can also use the "eigplot" function, which is specifically designed for visualizing eigenvalues.
You can use the "eig" function to calculate the eigenvalues and then use the "eigvals" function to compare them to a known solution. If the values match, it is likely that your eigenvalues are correct. Additionally, you can also check the properties of eigenvalues, such as orthogonality and normalization, to verify their accuracy.