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A formula on power $n$ of $2\times 2$ matrices. (English)
Far East J. Math. Sci. (FJMS) 96, No. 3, 365-377 (2015).
Summary: We investigate general formulae for power $n$ of $2\times 2$ matrices using the eigenvalues of $A$, and give some examples of Excel programming using general formulae for power $n$ of $2\times 2$ matrices. Those formulae will enhance the efficiency of computer programming for matrix multiplication computations and applications.
Classification: H60 N30