matlab解方程,x+2y+z=1 2x+y-2z=3 3x-4y+2z=9
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matlab解方程,x+2y+z=1 2x+y-2z=3 3x-4y+2z=9
[x y z]=solve('x+2*y+z=1,2*x+y-2*z=3,3*x-4*y+2*z=9')
x =
75/37
y =
-23/37
z =
8/37
x =
75/37
y =
-23/37
z =
8/37
解方程一;{x+y-z=6,x-3y+2z=1,3x+2y-z=-7.②{3x+4z=7,2x+3y+z=9,5x-9y
解方程:{2x+3y+z=7,x+y+z=4,3x+y-z=-4
解方程{3x -y+z=4 2x+3y-z=12 x+y+z=6
试证明(x+y-2z)+(y+z-2x)+(z+x-2y)=3(x+y-2z)(y+z-2x)(z+x-2y)
matlab解方程怎么出错了[x,y,z]=('x^2-5*y^2+7*z^2+12=0 ','3*x*y+x*z-11
3元1次方程x-2y=-9 3x-y+z=4{ y-z=3 { 2x+3y-z=122z+x=47 x+y+z=6
3x-y+z=3 2x+y-3z=11 x+y+z=12 解方程
x:y:z=1:2:3 x+2y+3z=56解方程
x+2y+3z=28 x:y:z=1:2:3 解方程
解方程组2x+y-3z=1,x-2y+z=6,3x-y+2z=9求x,y,z的值
(x-2y+z)/9=(2x+y+3z)/10=-(3x+2y-4z)/3=1 连等,求x,y,z,
x=y/z=z/3,x+y+z =12,求2x+3y+4z是多少,