An Algorithm for Computing the Matrix Cosine
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Publication:3890006
DOI10.1137/0901013zbMath0445.65023OpenAlexW2039968554MaRDI QIDQ3890006
Sybil A. Blalock, Steven M. Serbin
Publication date: 1980
Published in: SIAM Journal on Scientific and Statistical Computing (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1137/0901013
algorithmfirst-order differential systemmatrix exponentialscaling and squaring methodcosine of a matrixdouble angle techniquerational approximations to the cosine
Determinants, permanents, traces, other special matrix functions (15A15) Initial value problems, existence, uniqueness, continuous dependence and continuation of solutions to ordinary differential equations (34A12) Approximation by arbitrary linear expressions (41A45)
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