求符号方程组的解析解~matlab?maple?lingo?输入:syms s t m n b c x y >> [x,y,c]=solve('c*s*(2*y-2*x+m-n)+1=0','b-2*b*y+b*n+c*s*(1-b)*(1+x-m-(2*y-n)/(1-1/(c*s)))=0','-4*c+t*(1-b)*(y-n)(c*s*y/(c*s-1)+(c*s-1)*x-c*s*y)/(c-2/s)+(1-b)*s*t*(x-m)*(y
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![求符号方程组的解析解~matlab?maple?lingo?输入:syms s t m n b c x y >> [x,y,c]=solve('c*s*(2*y-2*x+m-n)+1=0','b-2*b*y+b*n+c*s*(1-b)*(1+x-m-(2*y-n)/(1-1/(c*s)))=0','-4*c+t*(1-b)*(y-n)(c*s*y/(c*s-1)+(c*s-1)*x-c*s*y)/(c-2/s)+(1-b)*s*t*(x-m)*(y](/uploads/image/z/3597519-39-9.jpg?t=%E6%B1%82%E7%AC%A6%E5%8F%B7%E6%96%B9%E7%A8%8B%E7%BB%84%E7%9A%84%E8%A7%A3%E6%9E%90%E8%A7%A3%7Ematlab%3Fmaple%3Flingo%3F%E8%BE%93%E5%85%A5%3Asyms+s+t+m+n+b+c+x+y+%3E%3E+%5Bx%2Cy%2Cc%5D%3Dsolve%28%27c%2As%2A%282%2Ay-2%2Ax%2Bm-n%29%2B1%3D0%27%2C%27b-2%2Ab%2Ay%2Bb%2An%2Bc%2As%2A%281-b%29%2A%281%2Bx-m-%282%2Ay-n%29%2F%281-1%2F%28c%2As%29%29%29%3D0%27%2C%27-4%2Ac%2Bt%2A%281-b%29%2A%28y-n%29%28c%2As%2Ay%2F%28c%2As-1%29%2B%28c%2As-1%29%2Ax-c%2As%2Ay%29%2F%28c-2%2Fs%29%2B%281-b%29%2As%2At%2A%28x-m%29%2A%28y)
求符号方程组的解析解~matlab?maple?lingo?输入:syms s t m n b c x y >> [x,y,c]=solve('c*s*(2*y-2*x+m-n)+1=0','b-2*b*y+b*n+c*s*(1-b)*(1+x-m-(2*y-n)/(1-1/(c*s)))=0','-4*c+t*(1-b)*(y-n)(c*s*y/(c*s-1)+(c*s-1)*x-c*s*y)/(c-2/s)+(1-b)*s*t*(x-m)*(y
求符号方程组的解析解~matlab?maple?lingo?
输入:syms s t m n b c x y
>> [x,y,c]=solve('c*s*(2*y-2*x+m-n)+1=0','b-2*b*y+b*n+c*s*(1-b)*(1+x-m-(2*y-n)/(1-1/(c*s)))=0','-4*c+t*(1-b)*(y-n)(c*s*y/(c*s-1)+(c*s-1)*x-c*s*y)/(c-2/s)+(1-b)*s*t*(x-m)*(y-x)=0','x,y,c')
用matlab运行的结果是Warning:List of equations is empty.
> In solve at 87
In jll at 2
x =
[ empty sym ]
y =
[]
a =
[]
我想请问一下,这样的结果是无解还是因为某一步出错了?
因为第三个式子是非线性的,所以这个问题总体概括就是怎么解出一个带有符号的三元非线性方程组的问题~不知道什么方法可以解出这么一个带有符号的非线性方程组?
还有另外这个式子,我用simlify为何化简不了哈?syms b c d n r;
simplify(0.125*d*(-1+b+c-c*b+2*n-2*b*n+(b*n*n-n*n+2*n*r-2*b*n*r-r*r+b*r*r)/(1-c)+r+2*b*r-b*r*r+(b*r*r-r*r)/c-(c+r-b*r+b*c*r)/(1-b+b*c));总是显示Error:Incomplete or misformed expression or statement.
求符号方程组的解析解~matlab?maple?lingo?输入:syms s t m n b c x y >> [x,y,c]=solve('c*s*(2*y-2*x+m-n)+1=0','b-2*b*y+b*n+c*s*(1-b)*(1+x-m-(2*y-n)/(1-1/(c*s)))=0','-4*c+t*(1-b)*(y-n)(c*s*y/(c*s-1)+(c*s-1)*x-c*s*y)/(c-2/s)+(1-b)*s*t*(x-m)*(y
确是因为 无解