xuemin0325
2009-03-08, 17:14
是不是运行的工作量太大了啊 :cry:
请教各位
我是解一个四元四次非线性方程组
>>syms a1 a2 a3 a4 b1 b2 b3 b4 x y z w;
>> f1=b1-1-cos(y-pi*3*(10^5)*z*(a1-x)^2/(x^2)+pi*(10^5)*(2*z+a1*w)*(a1-x)^3/(x^3));
>> f2=b2-1-cos(y-pi*3*(10^5)*z*(a2-x)^2/(x^2)+pi*(10^5)*(2*z+a2*w)*(a2-x)^3/(x^3));
>> f3=b3-1-cos(y-pi*3*(10^5)*z*(a3-x)^2/(x^2)+pi*(10^5)*(2*z+a3*w)*(a3-x)^3/(x^3));
>> f4=b3-1-cos(y-pi*3*(10^5)*z*(a4-x)^2/(x^2)+pi*(10^5)*(2*z+a4*w)*(a4-x)^3/(x^3));
>> [x y z w]=solve(f1,f2,f3,f4,'x,y,z,w');
大家帮看看是什么问题啊 不胜感激啊
:redface:
请教各位
我是解一个四元四次非线性方程组
>>syms a1 a2 a3 a4 b1 b2 b3 b4 x y z w;
>> f1=b1-1-cos(y-pi*3*(10^5)*z*(a1-x)^2/(x^2)+pi*(10^5)*(2*z+a1*w)*(a1-x)^3/(x^3));
>> f2=b2-1-cos(y-pi*3*(10^5)*z*(a2-x)^2/(x^2)+pi*(10^5)*(2*z+a2*w)*(a2-x)^3/(x^3));
>> f3=b3-1-cos(y-pi*3*(10^5)*z*(a3-x)^2/(x^2)+pi*(10^5)*(2*z+a3*w)*(a3-x)^3/(x^3));
>> f4=b3-1-cos(y-pi*3*(10^5)*z*(a4-x)^2/(x^2)+pi*(10^5)*(2*z+a4*w)*(a4-x)^3/(x^3));
>> [x y z w]=solve(f1,f2,f3,f4,'x,y,z,w');
大家帮看看是什么问题啊 不胜感激啊
:redface: