请问这样的方程组在如何用matlab求解呀?[x,y]=solve('(0.14*0.825+x-y)(y+3*x)^3/[(0.4125-0.14*0.825-x)*(0.28*0.825+0.4125-x-y)*(0.4125+0.4125+1.07*0.825+2*x)^2]=9.23','y(y+3*x)/[(0.14*0.825+x-y)*(0.825*0.28+0.4125-x-y)]=1.54')我弄到matl
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![请问这样的方程组在如何用matlab求解呀?[x,y]=solve('(0.14*0.825+x-y)(y+3*x)^3/[(0.4125-0.14*0.825-x)*(0.28*0.825+0.4125-x-y)*(0.4125+0.4125+1.07*0.825+2*x)^2]=9.23','y(y+3*x)/[(0.14*0.825+x-y)*(0.825*0.28+0.4125-x-y)]=1.54')我弄到matl](/uploads/image/z/3709193-41-3.jpg?t=%E8%AF%B7%E9%97%AE%E8%BF%99%E6%A0%B7%E7%9A%84%E6%96%B9%E7%A8%8B%E7%BB%84%E5%9C%A8%E5%A6%82%E4%BD%95%E7%94%A8matlab%E6%B1%82%E8%A7%A3%E5%91%80%3F%5Bx%2Cy%5D%3Dsolve%28%27%280.14%2A0.825%2Bx-y%29%28y%2B3%2Ax%29%5E3%2F%5B%280.4125-0.14%2A0.825-x%29%2A%280.28%2A0.825%2B0.4125-x-y%29%2A%280.4125%2B0.4125%2B1.07%2A0.825%2B2%2Ax%29%5E2%5D%3D9.23%27%2C%27y%28y%2B3%2Ax%29%2F%5B%280.14%2A0.825%2Bx-y%29%2A%280.825%2A0.28%2B0.4125-x-y%29%5D%3D1.54%27%29%E6%88%91%E5%BC%84%E5%88%B0matl)
请问这样的方程组在如何用matlab求解呀?[x,y]=solve('(0.14*0.825+x-y)(y+3*x)^3/[(0.4125-0.14*0.825-x)*(0.28*0.825+0.4125-x-y)*(0.4125+0.4125+1.07*0.825+2*x)^2]=9.23','y(y+3*x)/[(0.14*0.825+x-y)*(0.825*0.28+0.4125-x-y)]=1.54')我弄到matl
请问这样的方程组在如何用matlab求解呀?
[x,y]=solve('(0.14*0.825+x-y)(y+3*x)^3/[(0.4125-0.14*0.825-x)*(0.28*0.825+0.4125-x-y)*(0.4125+0.4125+1.07*0.825+2*x)^2]=9.23','y(y+3*x)/[(0.14*0.825+x-y)*(0.825*0.28+0.4125-x-y)]=1.54')
我弄到matlab中显示的是
Warning:Explicit solution could not be found.
> In solve at 81
x =
[ empty sym ]
y =
[]
是不是该用fsolve呀,应该怎么弄呢?
请问这样的方程组在如何用matlab求解呀?[x,y]=solve('(0.14*0.825+x-y)(y+3*x)^3/[(0.4125-0.14*0.825-x)*(0.28*0.825+0.4125-x-y)*(0.4125+0.4125+1.07*0.825+2*x)^2]=9.23','y(y+3*x)/[(0.14*0.825+x-y)*(0.825*0.28+0.4125-x-y)]=1.54')我弄到matl
你输入有误:
1.少了两个乘号“*”
2.把[ ]改成()
正确输入如下:
[x,y]=solve('(0.14*0.825+x-y)*(y+3*x)^3/((0.4125-0.14*0.825-x)*(0.28*0.825+0.4125-x-y)*(0.4125+0.4125+1.07*0.825+2*x)^2)=9.23','y*(y+3*x)/((0.14*0.825+x-y)*(0.825*0.28+0.4125-x-y))=1.54')