Simultaneous analysis of large INTEGRAL/SPI datasets: optimizing the computation of the solution and its variance using sparse matrix algorithms
Bouchet, Laurent ; Amestoy, Patrick ; Buttari, Alfredo ; Rouet, François-Henry ; Chauvin, Maxime
Astronomy and computing, 2013-02, Vol.1 [Periódico revisado por pares]Elsevier
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