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I recently tried to QRDecomposition the following matrix QRinput = { {0.009826785535338169`, 0.008256655213562824`, 0.23496656662777898`, 0.0358164610814019`, -0.0321839377786013`}, {0.0071722245494631656`, -0.015518584863216923`,...
Hi Communities I am trying to create a large size of sparsearray as following base = Permutations[{1, 1, 1, 1, 1, 0, 0, 0, 0, 0}]; dim = Length[base] AbsoluteTiming[ test = SparseArray[{i_, j_} /;...