matlab求解三元二次方程组x1=-226.11;y1=238.802;z1=-1577;x2=223.1317;y2=201.5533;z2=-1577;x3=-277.2719;y3=-202.0605;z3=-1577;与求解方程组:(t1*x1-t2*x2)^2+(t1*y1-t2*y2)^2+(t1*z1-t2*z2)^2=532.8689^2(t1*x1-t3*x3)^2+(t1*y1-t3*y3)^2+(t1*z1-
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matlab求解三元二次方程组x1=-226.11;y1=238.802;z1=-1577;x2=223.1317;y2=201.5533;z2=-1577;x3=-277.2719;y3=-202.0605;z3=-1577;与求解方程组:(t1*x1-t2*x2)^2+(t1*y1-t2*y2)^2+(t1*z1-t2*z2)^2=532.8689^2(t1*x1-t3*x3)^2+(t1*y1-t3*y3)^2+(t1*z1-
matlab求解三元二次方程组
x1=-226.11;
y1=238.802;
z1=-1577;
x2=223.1317;
y2=201.5533;
z2=-1577;
x3=-277.2719;
y3=-202.0605;
z3=-1577;
与求解方程组:
(t1*x1-t2*x2)^2+(t1*y1-t2*y2)^2+(t1*z1-t2*z2)^2=532.8689^2
(t1*x1-t3*x3)^2+(t1*y1-t3*y3)^2+(t1*z1-t3*z3)^2=532.8689^2
(t3*x3-t2*x2)^2+(t3*y3-t2*y2)^2+(t3*z3-t2*z2)^2=753.5904^2
从中解出t1,t2,t3
只需要解出近似解就可以了,solve解不出来的.
matlab求解三元二次方程组x1=-226.11;y1=238.802;z1=-1577;x2=223.1317;y2=201.5533;z2=-1577;x3=-277.2719;y3=-202.0605;z3=-1577;与求解方程组:(t1*x1-t2*x2)^2+(t1*y1-t2*y2)^2+(t1*z1-t2*z2)^2=532.8689^2(t1*x1-t3*x3)^2+(t1*y1-t3*y3)^2+(t1*z1-
x1=-226.11;
y1=238.802;
z1=-1577;
x2=223.1317;
y2=201.5533;
z2=-1577;
x3=-277.2719;
y3=-202.0605;
z3=-1577;
syms t1 t2 t3
eq1=(t1*x1-t2*x2)^2+(t1*y1-t2*y2)^2+(t1*z1-t2*z2)^2-532.8689^2;
eq2=(t1*x1-t3*x3)^2+(t1*y1-t3*y3)^2+(t1*z1-t3*z3)^2-532.8689^2;
eq3=(t3*x3-t2*x2)^2+(t3*y3-t2*y2)^2+(t3*z3-t2*z2)^2-753.5904^2;
[t1 t2 t3]=solve(eq1,eq2,eq3,'t1','t2','t3')
楼主我用solve可以解出解来,你参考一下