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查看完整版本 : [MATLAB基础] solve 出现误解,请高手帮帮忙


khb8911
2009-06-28, 00:06
[x,y,rxy]=solve('x=60','1/4*x+3/4*y+1/4*rxy*3^(1/2)=135','1/4*x+3/4*y-1/4*rxy*3^(1/2)=264')

x =

-86*3^(1/2)



y =

60



rxy =

246
很明显解不是正确的,请大家帮帮忙,帮我看看问题出在哪,不胜感激

messenger
2009-06-28, 11:58
应为[rxy,x,y]=solve('x=60','1/4*x+3/4*y+1/4*rxy*3^(1/2)=135','1/4*x+3/4*y-1/4*rxy*3^(1/2)=264')

rxy =

-86*3^(1/2)


x =

60


y =

246

khb8911
2009-06-28, 23:27
非常感谢,可以解释一下为什么要这样吗?谢谢