Description Usage Arguments Details Value Author(s) References See Also Examples
This function creates the Jordan blocks over the field of real numbers from a list of eigenvalues.
1 | Jordan(eigenvals)
|
eigenvals |
A list of |
this is a convenient function that creates Jordan blocks (the J
matrix in a Jordan canonical form) over the field of real numbers from a
list of eigenvalues. Note that for each complex eigenvalue (those with
nonzero imaginary part), this function will automatically add its
complex conjugate to the list of eigenvalues. Therefore, there is no
need to explicitly include both a+b*i
and a-b*i
in the
input.
The returned value, J matrix, is organized in such way: the first K1 diagonal elements are real eigenvalues; the rest are 2x2 rotational matrices correspond with pairs of complex eigenvalues.
J |
The block-diagonal matrix that represents real (1x1 blocks) and complex eigenvalues (2x2 blocks) of A. |
Xing Qiu
https://en.wikipedia.org/wiki/Jordan_normal_form
1 2 3 |
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