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Solve the system by using gauss elimination

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Reference no: EM131046002

Assignment:

1) Solve the following system of four equations using Gauss Elimination:               

4x1 - 2x2 - 3x3 + 6x4 = 12

-6x1 + 7x2 + 6.5x3 - 6x4 = -6.5       

x1 + 7.5x2 + 6.25x3 + 5.5x4 = 16   

-12x1 +  22x2 + 15.5x3 -    x4 = 17  

2) Use Gauss Elimination with pivoting to solve:

0.9231FAC = 1690              

-FAB - 0.3846FAC = 3625   

FAB - 0.7809FBC = 0            

0.6427FBC - FBD = 0           

FCD + 0.8575FDE  = 0         

FBD - 0.5145FDE - FDF = 0

0.3846FCE - 0.3846FAC -   0.7809FBC - FCD   = 0         

0.9231FAC + 0.6247FBC -  0.9231FCE = 0

Reference no: EM131046002

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