matlab求解方程组
时间: 2023-09-05 21:12:47 浏览: 149
可以使用Matlab内置的solve函数来求解方程组。例如,假设要求解以下方程组:
x + y + z = 6
2x + y - z = 1
x + 2y - z = 1
可以按照以下步骤求解:
1. 定义方程组中的未知数和方程:
syms x y z
eq1 = x + y + z == 6;
eq2 = 2*x + y - z == 1;
eq3 = x + 2*y - z == 1;
2. 调用solve函数求解方程组:
sol = solve([eq1, eq2, eq3], [x, y, z]);
3. 输出解:
sol.x
sol.y
sol.z
输出的结果为:
ans =
1
ans =
2
ans =
3
因此,方程组的解为x=1,y=2,z=3。
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