International Journal of Mathematics and Mathematical Sciences / 2012 / Article / Tab 2

Research Article

Approximation of the pth Roots of a Matrix by Using Trapezoid Rule

Table 2

Comparison time in seconds for computing the th root of Random matrix.

Schur decomposition Eigenvalue decomposition Hessenberg decomposition

2 0.054855 0.028401 0.017409
16 0.161744 0.226524 0.141455
52 0.404749 0.761385 0.663878
128 0.968970 1.914147 1.803490
2012 0.013331 0.025015 0.018379

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