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用MATLAB求解y*z^2=35*280.2*280.2','2*x+y=(2*0.0855*y*z)/(35*280

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用MATLAB求解y*z^2=35*280.2*280.2','2*x+y=(2*0.0855*y*z)/(35*280.2)','2*x*y+z=y*z/35'
syms x y z
[x,y,z]=solve('y*z^2=35*280.2*280.2','2*x+y=(2*0.0855*y*z)/(35*280.2)','2*x*y+z=y*z/35');为什么没有反应也不说哪里错了
[x,y,z]=solve('y*z^2=35*280.2*280.2','2*x+y=(2*0.0855*y*z)/(35*280.2)','2*x*y+z=y*z/35','x','y','z')
x =
-7.6545624152245721862282086412381
8.5066464920379442865799000253213 - 7.8088673801754195253371068862475*i
7.8088673801754195253371068862475*i + 8.5066464920379442865799000253213
7.8889164555718167731655785677465*i - 4.6793652844256581934657957047022
- 7.8889164555718167731655785677465*i - 4.6793652844256581934657957047022
y =
15.422636732998058501566681494972
15.74717242333428518579157836951*i - 16.962472815596177251504355199438
- 15.74717242333428518579157836951*i - 16.962472815596177251504355199438
9.2515721776685765721495858805237 - 15.716566046180739730369087188206*i
15.716566046180739730369087188206*i + 9.2515721776685765721495858805237
z =
422.1072761894109755942923845195
125.9261073674887432983520261072 - 320.730559025152789332420949011*i
320.730559025152789332420949011*i + 125.9261073674887432983520261072
- 192.66519712166060491875847664688*i - 336.97974546219423109549821836694
192.66519712166060491875847664688*i - 336.97974546219423109549821836694
matlab如何画z=x^2+y^2,z Matlab求解{3X+Y+Z=1;4X-2Y+3Z=3;5X+4Y-Z=4} x+y+z=4 x-2y+z=-2 x+2y+3z=0求解 2x+3y+z=11,3x+y-z=2,x+y+z=6求解 求解三元一次方程组：｛x+y/2=y+z/3=z+x/4 x+y+z=27 x+y+z=18,8x+6y+6z=118,2y+z=20求解过程 matlab 2x+y+3z=13x-y=-1y+z=5用 MATLAB软件 MATLAB软件 MATLAB软件 MAT 试证明(x+y-2z)+(y+z-2x)+(z+x-2y)=3(x+y-2z)(y+z-2x)(z+x-2y) 用MATLAB画出U=5x+4y+2z的图形条件为x+y+z=30；3x+y+z=50 用matlab画z=(x-y)^0.5+(x+y)^0.5 和z=ln(y-x)+x^0.5/(1-x^2-y^2)^0 (x+y-z)^2-(x-y+z)^2=? 求解z=f(xy^2,x^2y)求δz/δx,δz/δy