Compact Form of Linear Equations 6x1 2x2 2x3 4x4 = 16 12x1 8x2 6x3 10x4 26 3x1 13x2 9x3 3x4 -19 6x1 + 4x2 +1x3 一 18x4 = -34 Compact form 6 -2 2 4 16 12 -8 6 10 26 3 -139 3 -19 -6 4 1 -18 -34 Proceeding with the forward elimination,.. Copyright©2011，NA⊙Yin Last Modification:Oct.2011 8Compact Form of Linear Equations 6x1 − 2x2 + 2x3 + 4x4 = 16 12x1 − 8x2 + 6x3 + 10x4 = 26 3x1 − 13x2 + 9x3 + 3x4 = -19 − 6x1 + 4x2 + 1x3 − 18x4 = -34 Compact form   6 −2 2 4 16 12 −8 6 10 26 3 −13 9 3 −19 −6 4 1 −18 −34   Proceeding with the forward elimination, ... Copyright c 2011, NAYin Last Modification: Oct. 2011 8