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- W1985336777 abstract "Let Cn be a (k+1)-diagonal complex circulant matrix of order n(>=k+1), and let detCn be the determinant of Cn. An algorithm for computing detCn is presented with the cost of Oklog2k.log2n+k^4 multiplication, and an asymptotic formula for detCn is obtained. Moreover, a result on symmetric circulant matrices with integer entries is also given. Using Mathematica in a personal computer, we give some numerical examples, which illustrate that the algorithm is very efficient and the asymptotic formula is accurate enough when the order n of the circulant matrix is sufficiently large." @default.
- W1985336777 created "2016-06-24" @default.
- W1985336777 creator A5067622784 @default.
- W1985336777 date "2014-02-01" @default.
- W1985336777 modified "2023-09-27" @default.
- W1985336777 title "A fast algorithm for computing the determinants of banded circulant matrices" @default.
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- W1985336777 doi "https://doi.org/10.1016/j.amc.2013.12.048" @default.
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