&& 查看话题
求助，用1stopt解方程组，两次得到的解不唯一？什么原因，大神帮忙
代码如下，abcdef六个未知数，六个方程，不设初值，方程全部等于零，得到的结果为什么不唯一呢？
而且正负号还有区别，请求知道的朋友帮忙！谢谢
Title "Type your title here";
Parameters a,b,c,d,e,
Function 2*10.282*(0.241+10.282*a+1.077*b+0.890*c+15.484*d+119.87*e-f)+2*9.928*(-0.*a+0.765*b+0.923*c+13.995*d+97.93*e-f)+2*8.31*
(-0.297+8.31*a+1.039*b+0.908*c+11.36*d+64.49*e-f)+2*22.764*(-0.420+22.764*a-9.945*b+1.104*c+29.82*d+444.74*e-f)+2*15.434*(-0.292+15.434*a-2.95*b+1.039*c
+20.38*d+207.76*e-f)+2*21.074*(-0.565+21.074*a-8.87*b+1.1*c+27.22*d+370.51*e-f)+2*22.42*(-0.890+22.42*a-11.67*b+1.13*c+28.27*d+399.73*e-f)
+2*6.626*(-1.453+6.626*a+0.924*b+0.983*c+6.95*d+24.153*e-f)+2*6.40*(-3.704+6.40*a+0.802*b+1.136*c+4.41*d+9.71*e-f)
+2*15.31*(0.037+15.31*a-1.942*b+1.007*c+21.13*d+223.19*e-f)+2*22.886*(-0.407+22.887*a-10.007*b+1.1*c+30.02*d+450.62*e-f)
+2*2.61*(-3.*a-12.83*b)=0;
2*1.077*(0.241+10.282*a+1.077*b+0.890*c+15.484*d+119.87*e-f)+2*0.765* (-0.*a+0.765*b+0.923*c+13.995*d+97.93*e-f)
+2*1.039*(-0.297+8.31*a+1.039*b+0.908*c+11.36*d+64.49*e-f)+2*(-9.945)* (-0.420+22.764*a-9.945*b+1.104*c+29.82*d+444.74*e-f)
-2*2.950*&&(-0.292+15.434*a-2.95*b+1.039*c+20.38*d+207.76*e-f) -2*8.87* (-0.565+21.074*a-8.87*b+1.1*c+27.22*d+370.51*e-f)
-2*11.67*(-0.890+22.42*a-11.67*b+1.13*c+28.27*d+399.73*e-f)+2*0.924* (-1.453+6.626*a+0.924*b+0.983*c+6.95*d+24.153*e-f)
+2*0.802* (-3.704+6.40*a+0.802*b+1.136*c+4.41*d+9.71*e-f)-2*1.942*(0.037+15.31*a-1.942*b+1.007*c+21.13*d+223.19*e-f)
-2*10.007* (-0.407+22.887*a-10.007*b+1.1*c+30.02*d+450.62*e-f) -2*12.83* (-3.*a-12.83*b)=0;
2*0.890* (0.241+10.282*a+1.077*b+0.890*c+15.484*d+119.87*e-f)+2*0.923* (-0.*a+0.765*b+0.923*c+13.995*d+97.93*e-f)
+2*0.908*(-0.297+8.31*a+1.039*b+0.908*c+11.36*d+64.49*e-f)+2*1.104* (-0.420+22.764*a-9.945*b+1.104*c+29.82*d+444.74*e-f)
+2*1.039*&&(-0.292+15.434*a-2.95*b+1.039*c+20.38*d+207.76*e-f) +2*1.1* (-0.565+21.074*a-8.87*b+1.1*c+27.22*d+370.51*e-f)
+2*1.13*(-0.890+22.42*a-11.67*b+1.13*c+28.27*d+399.73*e-f)+2*0.983* (-1.453+6.626*a+0.924*b+0.983*c+6.95*d+24.153*e-f)
+2*1.136* (-3.704+6.40*a+0.802*b+1.136*c+4.41*d+9.71*e-f)+2*1.007*(0.037+15.31*a-1.942*b+1.007*c+21.13*d+223.19*e-f)
+2*1.1* (-0.407+22.887*a-10.007*b+1.1*c+30.02*d+450.62*e-f) =0;
&&2*15.484* (0.241+10.282*a+1.077*b+0.890*c+15.484*d+119.87*e-f)+2*13.995* (-0.*a+0.765*b+0.923*c+13.995*d+97.93*e-f)
+2*11.36*(-0.297+8.31*a+1.039*b+0.908*c+11.36*d+64.49*e-f)+2*29.82* (-0.420+22.764*a-9.945*b+1.104*c+29.82*d+444.74*e-f)
+2*20.38*&&(-0.292+15.434*a-2.95*b+1.039*c+20.38*d+207.76*e-f) +2*27.22* (-0.565+21.074*a-8.87*b+1.1*c+27.22*d+370.51*e-f)
+2*28.27*(-0.890+22.42*a-11.67*b+1.13*c+28.27*d+399.73*e-f)+2*6.95* (-1.453+6.626*a+0.924*b+0.983*c+6.95*d+24.153*e-f)
+2*4.41* (-3.704+6.40*a+0.802*b+1.136*c+4.41*d+9.71*e-f)+2*21.13*(0.037+15.31*a-1.942*b+1.007*c+21.13*d+223.19*e-f)
+2*30.02* (-0.407+22.887*a-10.007*b+1.1*c+30.02*d+450.62*e-f) =0;
&&2*119.87* (0.241+10.282*a+1.077*b+0.890*c+15.484*d+119.87*e-f)+2*97.93* (-0.*a+0.765*b+0.923*c+13.995*d+97.93*e-f)
+2*64.49*(-0.297+8.31*a+1.039*b+0.908*c+11.36*d+64.49*e-f)+2*444.74* (-0.420+22.764*a-9.945*b+1.104*c+29.82*d+444.74*e-f)
+2*207.76*&&(-0.292+15.434*a-2.95*b+1.039*c+20.38*d+207.76*e-f) +2*370.51* (-0.565+21.074*a-8.87*b+1.1*c+27.22*d+370.51*e-f)
+2*399.73*(-0.890+22.42*a-11.67*b+1.13*c+28.27*d+399.73*e-f)+2*24.153* (-1.453+6.626*a+0.924*b+0.983*c+6.95*d+24.153*e-f)
+2*9.71* (-3.704+6.40*a+0.802*b+1.136*c+4.41*d+9.71*e-f)+2*223.19*(0.037+15.31*a-1.942*b+1.007*c+21.13*d+223.19*e-f)
+2*450.62* (-0.407+22.887*a-10.007*b+1.1*c+30.02*d+450.62*e-f) =0;
&&(-2)* (0.241+10.282*a+1.077*b+0.890*c+15.484*d+119.87*e-f)-2* (-0.*a+0.765*b+0.923*c+13.995*d+97.93*e-f)
-2*(-0.297+8.31*a+1.039*b+0.908*c+11.36*d+64.49*e-f)-2*(-0.420+22.764*a-9.945*b+1.104*c+29.82*d+444.74*e-f)
-2* (-0.292+15.434*a-2.95*b+1.039*c+20.38*d+207.76*e-f) -2* (-0.565+21.074*a-8.87*b+1.1*c+27.22*d+370.51*e-f)
-2*(-0.890+22.42*a-11.67*b+1.13*c+28.27*d+399.73*e-f)-2* (-1.453+6.626*a+0.924*b+0.983*c+6.95*d+24.153*e-f)
-2*(-3.704+6.40*a+0.802*b+1.136*c+4.41*d+9.71*e-f)-2*(0.037+15.31*a-1.942*b+1.007*c+21.13*d+223.19*e-f)
-2*(-0.407+22.887*a-10.007*b+1.1*c+30.02*d+450.62*e-f) =0;
不知你用的哪个版本，5.0计算结果稳定唯一：
e: -0.12692
f: 15.3 : Originally posted by dingd at
不知你用的哪个版本，5.0计算结果稳定唯一：
e: -0.12692
f: 15.3 麻烦你再帮我解一个吧。我的版本不够
Title "Type your title here";
Parameters a,b,c,d,e,
Function 2*10.282*(0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*9.928*(-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)+2*8.31*
(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*22.764*(1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)+2*15.434*(1.*a+2.075*b+1.039*c
+20.38*d+207.76*e-f)+2*21.074*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)+2*22.42*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*6.626*(0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)+2*6.40*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)
+2*15.31*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*22.886*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f)
+2*2.61*(0.*a+0.207*b)=0;
2*1.581*(0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*1.499* (-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)
+2*1.292*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*2.846* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*2.075*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f)+2*2.649*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)+2*2.755*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*1.023* (0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)
+2*0.9428*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)
+2*2.103*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*2.+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f)
+2*0.207*(0.*a+0.207*b)=0;
2*0.890* (0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*0.923*&&(-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f) +2*0.908*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*1.104* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*1.039*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f) +2*1.1*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f) +2*1.13*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*0.983*(0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)
+2*1.136*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)+2*1.007*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*1.1*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0;
&&2*15.484* (0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*13.995* (-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)
+2*11.36*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*29.82*(1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*20.38*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f) +2*27.22*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)&&+2*28.27*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*6.95*(0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f) +2*4.41*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)+2*21.13*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f) +2*30.02*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0;
2*119.87*(0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*97.93* (-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)
+2*64.49*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*444.74* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*207.76*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f) +2*370.51* (1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)
+2*399.73*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)+2*24.153*(0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f) +2*9.71* (-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)+2*223.19*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*450.62*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0;
(-2)* (0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)-2*&&(-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f) -2*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)-2* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)-2* (1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f)-2*&&(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)
-2*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)-2* (0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)
-2*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)-2*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)-2*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0;
Title "Type your title here";
Parameters a,b,c,d,e,
Function 2*10.282*(0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*9.928*(-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)+2*8.31*
(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*22.764*(1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)+2*15.434*(1.*a+2.075*b+1.039*c
+20.38*d+207.76*e-f)+2*21.074*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)+2*22.42*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*6.626*(0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)+2*6.40*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)
+2*15.31*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*22.886*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f)
+2*2.61*(0.*a+0.207*b)=0;
2*1.581*(0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*1.499* (-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)
+2*1.292*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*2.846* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*2.075*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f)+2*2.649*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)+2*2.755*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*1.023* (0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)
+2*0.9428*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)
+2*2.103*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*2.+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f)
+2*0.207*(0.*a+0.207*b)=0;
2*0.890* (0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*0.923*&&(-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f) +2*0.908*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*1.104* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*1.039*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f) +2*1.1*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f) +2*1.13*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*0.983*(0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)
+2*1.136*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)+2*1.007*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*1.1*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0;
&&2*15.484* (0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*13.995* (-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)
+2*11.36*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*29.82*(1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*20.38*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f) +2*27.22*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)&&+2*28.27*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*6.95*(0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f) +2*4.41*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)+2*21.13*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f) +2*30.02*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0;
2*119.87*(0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*97.93* (-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)
+2*64.49*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*444.74* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*207.76*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f) +2*370.51* (1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)
+2*399.73*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)+2*24.153*(0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f) +2*9.71* (-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)+2*223.19*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*450.62*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0;
(-2)* (0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)-2*&&(-0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f) -2*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)-2* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)-2* (1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f)-2*&&(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)
-2*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)-2* (0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)
-2*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)-2*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)-2*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0; : Originally posted by dingd at
不知你用的哪个版本，5.0计算结果稳定唯一：
e: -0.12692
f: 15.3 不好意思，刚才那个发错了，是下面的代码。麻烦你了
Title "Type your title here";
Parameters a,b,c,d,e,
Function 2*10.282*(0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*9.928*(0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)+2*8.31*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*22.764*(1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)+2*15.434*(1.*a+2.075*b+1.039*c
+20.38*d+207.76*e-f)+2*21.074*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)+2*22.42*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*6.626*(-0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)+2*6.40*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)
+2*15.31*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*22.886*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f)
+2*2.61*(0.*a+0.207*b)=0;
2*1.581*(0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*1.499* (0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)
+2*1.292*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*2.846* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*2.075*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f)+2*2.649*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)+2*2.755*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*1.023* (-0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)
+2*0.9428*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)
+2*2.103*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*2.+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f)
+2*0.207*(0.*a+0.207*b)=0;
2*0.890* (0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*0.923*&&(0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f) +2*0.908*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*1.104* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*1.039*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f) +2*1.1*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f) +2*1.13*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*0.983*(-0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)
+2*1.136*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)+2*1.007*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)+2*1.1*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0;
&&2*15.484* (0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*13.995* (0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)
+2*11.36*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*29.82*(1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*20.38*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f) +2*27.22*(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)&&+2*28.27*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)
+2*6.95*(-0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f) +2*4.41*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)
+2*21.13*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f) +2*30.02*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0;
2*119.87*(0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)+2*97.93* (0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f)
+2*64.49*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)+2*444.74* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)
+2*207.76*(1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f) +2*370.51* (1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)
+2*399.73*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)+2*24.153*(-0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)
+2*9.71* (-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)+2*223.19*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)
+2*450.62*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0;
(-2)* (0.*a+1.581*b+0.890*c+15.484*d+119.87*e-f)-2*&&(0.523+9.928*a+1.499*b+0.923*c+13.995*d+97.93*e-f) -2*(0.*a+1.292*b+0.908*c+11.36*d+64.49*e-f)-2* (1.779+22.764*a+2.846*b+1.104*c+29.82*d+444.74*e-f)-2* (1.*a+2.075*b+1.039*c+20.38*d+207.76*e-f)-2*&&(1.642+21.074*a+2.649*b+1.1*c+27.22*d+370.51*e-f)
-2*(1.714+22.42*a+2.755*b+1.13*c+28.27*d+399.73*e-f)-2* (-0.*a+1.023*b+0.983*c+6.95*d+24.153*e-f)
-2*(-1.072+6.40*a+0.9428*b+1.136*c+4.41*d+9.71*e-f)-2*(1.*a+2.103*b+1.007*c+21.13*d+223.19*e-f)
-2*(1.789+22.887*a+2.8605*b+1.1*c+30.02*d+450.62*e-f) =0; : Originally posted by dingd at
不知你用的哪个版本，5.0计算结果稳定唯一：
e: -0.12692
f: 15.3 帮忙解一下下面这个方程组啊。前面回的贴数据都不太正确。这次的终于对了。。。。
Title "Type your title here";
Parameters a,b,c,d,e,f;
Function 2*14.3+14.3659*a+2.436*b+0.890*c+15.484*d+119.87*e-f)+2*13.+13.7552*a+2.281*b+0.923*c+13.995*d+97.93*e-f)+2*11.1+11.3675*a+1.923*b+0.908*c+11.36*d+64.49*e-f)+2*32.+32.5209*a+4.6057*b+1.104*c+29.82*d+444.74*e-f)+2*21.7+21.7108*a+3.257*b+1.039*c
+20.38*d+207.76*e-f)+2*29.+29.9844*a+4.2558*b+1.1*c+27.22*d+370.51*e-f)+2*31.+31.9197*a+4.4358*b+1.13*c+28.27*d+399.73*e-f)
+2*8.6502*(-0.2*a+1.4194*b+0.983*c+6.95*d+24.153*e-f)+2*7.8875*(-1.072+7.8875*a+1.2050*b+1.136*c+4.41*d+9.71*e-f)
+2*21.5+21.6177*a+3.3165*b+1.007*c+21.13*d+223.19*e-f)+2*32.+32.7046*a+4.6319*b+1.1*c+30.02*d+450.62*e-f)
+2*11.3+11.2090*a+1.3487*b)=0;
2*2.436*(0.9*a+2.436*b+0.890*c+15.484*d+119.87*e-f)+2*2.281* (0.523+13.7552*a+2.281*b+0.923*c+13.995*d+97.93*e-f)
+2*1.923*(0.5*a+1.923*b+0.908*c+11.36*d+64.49*e-f)+2*4.+32.5209*a+4.6057*b+1.104*c+29.82*d+444.74*e-f)+2*3.257*(1.8*a+3.257*b+1.039*c+20.38*d+207.76*e-f)+2*4.+29.9844*a+4.2558*b+1.1*c+27.22*d+370.51*e-f)+2*4.+31.9197*a+4.4358*b+1.13*c+28.27*d+399.73*e-f)
+2*1.4194*(-0.2*a+1.4194*b+0.983*c+6.95*d+24.153*e-f)
+2*1.2050*(-1.072+7.8875*a+1.2050*b+1.136*c+4.41*d+9.71*e-f)
+2*3.5+21.6177*a+3.3165*b+1.007*c+21.13*d+223.19*e-f)+2*4.+32.7046*a+4.6319*b+1.1*c+30.02*d+450.62*e-f)
+2*1.3+11.2090*a+1.3487*b)=0;
&&2*0.890* (0.9*a+2.436*b+0.890*c+15.484*d+119.87*e-f)+2*0.923*&&(0.523+13.7552*a+2.281*b+0.923*c+13.995*d+97.93*e-f) +2*0.908*(0.5*a+1.923*b+0.908*c+11.36*d+64.49*e-f)+2*1.104* (1.779+32.5209*a+4.6057*b+1.104*c+29.82*d+444.74*e-f)
+2*1.039*(1.8*a+3.2574*b+1.039*c+20.38*d+207.76*e-f) +2*1.1*(1.642+29.9844*a+4.2558*b+1.1*c+27.22*d+370.51*e-f) +2*1.13*(1.714+31.91968*a+4.4358*b+1.13*c+28.27*d+399.73*e-f)
+2*0.983*(-0.2*a+1.4194*b+0.983*c+6.95*d+24.153*e-f)
+2*1.136*(-1.072+7.8875*a+1.2050*b+1.136*c+4.41*d+9.71*e-f)+2*1.007*(1.7*a+3.3165*b+1.007*c+21.13*d+223.19*e-f)+2*1.1*(1.789+32.7046*a+4.6319*b+1.1*c+30.02*d+450.62*e-f) =0;
&&2*15.484* (0.9*a+2.436*b+0.890*c+15.484*d+119.87*e-f)+2*13.995* (0.523+13.7552*a+2.281*b+0.923*c+13.995*d+97.93*e-f)&&+2*11.36*(0.5*a+1.923*b+0.908*c+11.36*d+64.49*e-f)+2*29.82* (1.779+32.5209*a+4.6057*b+1.104*c+29.82*d+444.74*e-f)
+2*20.38*(1.8*a+3.2574*b+1.039*c+20.38*d+207.76*e-f) +2*27.22*(1.642+29.9844*a+4.2558*b+1.1*c+27.22*d+370.51*e-f)&&+2*28.27*(1.714+31.91968*a+4.4358*b+1.13*c+28.27*d+399.73*e-f)+2*6.95*(-0.2*a+1.4194*b+0.983*c+6.95*d+24.153*e-f) +2*4.41*(-1.072+7.8875*a+1.2050*b+1.136*c+4.41*d+9.71*e-f)+2*21.13*(1.7*a+3.3165*b+1.007*c+21.13*d+223.19*e-f)+2*30.02*(1.789+32.7046*a+4.6319*b+1.1*c+30.02*d+450.62*e-f)=0;
2*119.87*(0.9*a+2.436*b+0.890*c+15.484*d+119.87*e-f)+2*97.93* (0.523+13.7552*a+2.281*b+0.923*c+13.995*d+97.93*e-f)
+2*64.49*(0.5*a+1.923*b+0.908*c+11.36*d+64.49*e-f)+2*444.74* (1.779+32.5209*a+4.6057*b+1.104*c+29.82*d+444.74*e-f)
+2*207.76*(1.8*a+3.2574*b+1.039*c+20.38*d+207.76*e-f)+2*370.51*(1.642+29.9844*a+4.2558*b+1.1*c+27.22*d+370.51*e-f)
+2*399.73*(1.714+31.91968*a+4.4358*b+1.13*c+28.27*d+399.73*e-f)+2*24.153*(-0.2*a+1.4194*b+0.983*c+6.95*d+24.153*e-f)+2*9.71* (-1.072+7.8875*a+1.2050*b+1.136*c+4.41*d+9.71*e-f)+2*223.19*(1.7*a+3.3165*b+1.007*c+21.13*d+223.19*e-f)+2*450.62*(1.789+32.7046*a+4.6319*b+1.1*c+30.02*d+450.62*e-f) =0;
&&(-2)* (0.9*a+2.436*b+0.890*c+15.484*d+119.87*e-f)-2*& &(0.523+13.7552*a+2.281*b+0.923*c+13.995*d+97.93*e-f) -2*(0.5*a+1.923*b+0.908*c+11.36*d+64.49*e-f)-2* (1.779+32.5209*a+4.6057*b+1.104*c+29.82*d+444.74*e-f)-2* (1.8*a+3.2574*b+1.039*c+20.38*d+207.76*e-f)-2*&&(1.642+29.9844*a+4.2558*b+1.1*c+27.22*d+370.51*e-f)
-2*(1.714+31.91968*a+4.4358*b+1.13*c+28.27*d+399.73*e-f)-2* (-0.2*a+1.4194*b+0.983*c+6.95*d+24.153*e-f)
-2*(-1.072+7.8875*a+1.2050*b+1.136*c+4.41*d+9.71*e-f)-2*(1.7*a+3.3165*b+1.007*c+21.13*d+223.19*e-f)-2*(1.789+32.7046*a+4.6319*b+1.1*c+30.02*d+450.62*e-f) =0; a: -0.104
e: 0.37314
f: -0.286 : Originally posted by dingd at
e: 0.37314
f: -0.286 谢谢！用解方程来计算1、大小齿轮齿数比是7:3,已知大齿轮有35个,小齿轮有多少个?2、李老师的手表8小时慢5秒,照这样计算,一昼夜共慢多少秒?3、配置一种农药,药粉和水的比是1:500,.（1）现有水6000_百度作业帮
拍照搜题，秒出答案
用解方程来计算1、大小齿轮齿数比是7:3,已知大齿轮有35个,小齿轮有多少个?2、李老师的手表8小时慢5秒,照这样计算,一昼夜共慢多少秒?3、配置一种农药,药粉和水的比是1:500,.（1）现有水6000
用解方程来计算1、大小齿轮齿数比是7:3,已知大齿轮有35个,小齿轮有多少个?2、李老师的手表8小时慢5秒,照这样计算,一昼夜共慢多少秒?3、配置一种农药,药粉和水的比是1:500,.（1）现有水6000千克,配置这种农药需要药粉多少千克?（2）现有药粉3.6千克,配制这种农药需要水多少千克?4、一篇文章原稿每行30个字,共96行.如果改为每行32个字,一页纸35行排版,那么这篇文章需打印多少行?共需几页纸?
设小齿轮有x个35：x=7：3x=15小齿轮有15个设一昼夜共慢x秒x：24=5：8x=15一昼夜共慢15秒设需要药粉x千克x：0x=12需要药粉12千克设需要水x千克3.6:x=1:500x=1800需要水1800千克设需打印x行32x=30*96x=90需打印90行共需90÷35=3页纸（要用进一法）}