线性方程组求解
假设有 4x1+6x2+15x3=8...............(1)-x2-2.5x3=-1.............(2)
0.5x3=0..............(3)
三个方程组,如何通过回代将x1,x2,x3的值求出
2008-11-19 20:25
2008-11-20 17:34
2008-11-24 11:25
2008-11-24 11:54
2008-11-24 12:30
2016-01-04 15:41