单词 | Trace (Matrix) | ||||||||||||||||||||||||||||||||||||||||||||||
释义 | Trace (Matrix)The trace of an
(Lange 1987, p. 40). The trace is invariant under a Similarity Transformation
where ![]() The trace of a product of square matrices is independent of the order of the multiplication since
Therefore, the trace of the Commutator of ![]() ![]()
The value of the trace can be found using the fact that the matrix can always be transformed to a coordinate system where thez-Axis lies along the axis of rotation. In the new coordinate system, the Matrix is
Lang, S. Linear Algebra, 3rd ed. New York: Springer-Verlag, pp. 40 and 64, 1987. |
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