Abstract

We first propose in this paper a recursive algorithm for triangular matrix inversion (TMI) based on the ‘Divide and Conquer’ (DC (ii) invert both L and U, then compute the product \(\mathrm{{X}}={\mathrm{{U}}}^{-1}{\mathrm{{L}}}^{-1}\). Each of these three procedures involves at least one triangular matrix inversion (TMI). Our DMI implementation aims to be used in place of the level 3 BLAS TMI-DMI. Efficient results could be obtained through an experimental study achieved on a set of large sized randomly generated matrices.

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