matlab 怎么解-8x1+x2+6x3=0 4x1-5x2+x3=0 4x1+4x2-7x3=0 设置一个变量c在60到80之间然后将x1 x2 x3 的值用c来表示 matlab代码
syms c x = solve([-8c + c + 6c == 0, 4c - 5c + c == 0, 4c + 4c - 7*c == 0], [x1, x2, x3]); x1 = x.x1 x2 = x.x2 x3 = x.x3
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