Fine spectral estimates with applications to the optimally fast solution of large fde linear systems

HIGHLIGHTS

• who: Manuel Bogoya from the supported by Universidad del ValleThe second author was partially supported by the CONACYT project have published the paper: Fine spectral estimates with applications to the optimally fast solution of large FDE linear systems, in the Journal: (JOURNAL)

SUMMARY

When employing equispaced gridding, the resulting structures have the advantage of being of Toeplitz nature, so that the cost of a matrix-vector multiplication is almost linear i.e. of O(n log n) arithmetic operations, where n is the matrix order and the constant hidden in the big O . . .

 



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