Description Usage Arguments Details Value Author(s) See Also Examples
Calculates the n
-th power of a square matrix, where n
can be a positive or negative integer or a fractional power.
1 | mpower(A, n)
|
A |
A square matrix. Must also be symmetric for non-integer powers. |
n |
matrix power |
If n<0
, the method is applied to A^{-1}.
When n
is an integer, the function uses the Russian peasant method,
or repeated squaring for efficiency.
Otherwise, it uses the spectral decomposition of A
,
requiring a symmetric matrix.
Returns the matrix A^n
Michael Friendly
Packages corpcor and expm define similar functions.
1 2 3 4 5 6 7 8 9 |
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