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The matrix exponential is a matrix function on square matrices analogous to the ordinary exponential function.
4
votes
Fast Upper Triangular Matrix Exponentiation
When I teach the exponential of matrices, I tell the students that the converging series is not a practical tool for calculation. It is way better to solve the differential equation. This turns out to …
13
votes
What is the time complexity of the matrix exponential?
The exponential of a matrix is not, in general, computable explicitly. Strictly speaking, the Complexity of Matrix Exponential does not exist. Instead, you have an approximate calculation and you are …