matlab解多元高次方程组A B C D E为变量的5元次方程组,我一直调试不出结果,一运行就是busy,是不是程序哪里写错了?syms A B C D E;eq1='1/4*(110+220*A)*(3/25+B)*(69/50+A)*(11/100+C)-1377380*B*A*(11/400+5/4*C)*(1/2+A)-30
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 14:17:19
![matlab解多元高次方程组A B C D E为变量的5元次方程组,我一直调试不出结果,一运行就是busy,是不是程序哪里写错了?syms A B C D E;eq1='1/4*(110+220*A)*(3/25+B)*(69/50+A)*(11/100+C)-1377380*B*A*(11/400+5/4*C)*(1/2+A)-30](/uploads/image/z/1593696-48-6.jpg?t=matlab%E8%A7%A3%E5%A4%9A%E5%85%83%E9%AB%98%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84A+B+C+D+E%E4%B8%BA%E5%8F%98%E9%87%8F%E7%9A%845%E5%85%83%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84%2C%E6%88%91%E4%B8%80%E7%9B%B4%E8%B0%83%E8%AF%95%E4%B8%8D%E5%87%BA%E7%BB%93%E6%9E%9C%2C%E4%B8%80%E8%BF%90%E8%A1%8C%E5%B0%B1%E6%98%AFbusy%2C%E6%98%AF%E4%B8%8D%E6%98%AF%E7%A8%8B%E5%BA%8F%E5%93%AA%E9%87%8C%E5%86%99%E9%94%99%E4%BA%86%3Fsyms+A+B+C+D+E%3Beq1%3D%271%2F4%2A%28110%2B220%2AA%29%2A%283%2F25%2BB%29%2A%2869%2F50%2BA%29%2A%2811%2F100%2BC%29-1377380%2AB%2AA%2A%2811%2F400%2B5%2F4%2AC%29%2A%281%2F2%2BA%29-30)
matlab解多元高次方程组A B C D E为变量的5元次方程组,我一直调试不出结果,一运行就是busy,是不是程序哪里写错了?syms A B C D E;eq1='1/4*(110+220*A)*(3/25+B)*(69/50+A)*(11/100+C)-1377380*B*A*(11/400+5/4*C)*(1/2+A)-30
matlab解多元高次方程组
A B C D E为变量的5元次方程组,我一直调试不出结果,一运行就是busy,是不是程序哪里写错了?
syms A B C D E;
eq1='1/4*(110+220*A)*(3/25+B)*(69/50+A)*(11/100+C)-1377380*B*A*(11/400+5/4*C)*(1/2+A)-305/4*A*(11/400+5/4*C)*(3/25+B)*(69/50+A)=0';
eq2='(271698404112853371/46116860184273879040+33962300514106665/1152921504606846976*D+18411/31250*A)*(3/25+B)*(69/50+A)*(9/10+B)*((49/2+49*E)*(1/2+E)+81/625)-10901624/125*B*A*(6712548807494023/18446744073709551616+4214072214526101626067/360287970189639680000000*D+6498/390625*A)*(9/10+B)*((49/2+49*E)*(1/2+E)+81/625)-3715146/78125*B*(6712548807494023/18446744073709551616+4214072214526101626067/360287970189639680000000*D+6498/390625*A)*(3/25+B)*(69/50+A)=0';
eq3='4516*B*A*(3/20+C)+(21/1250+7/50*B)*(69/50+A)*(3/20+C)-9/50*C*(3/25+B)*(69/50+A)-1/500*C*(3/25+B)*(69/50+A)*(3/20+C)=0';
eq4='6156/625*B*(1/20+D)-17/200*D*(1/20+D)*(9/10+B)*((49+98*E)*(1+2*E)+81/625)+9/50*D*(9/10+B)*((49+98*E)*(1+2*E)+81/625)=0';
eq5='17/200*D-7/100*E=0';
[A,B,C,D,E]=solve(eq1,eq2,eq3,eq4,eq5,'A,B,C,D,E')
A B C D E为变量的5元6次方程组,用的是MATLAB7.0
问题是我busy之后没有结果啊!正常的话你把结果发上来!
matlab解多元高次方程组A B C D E为变量的5元次方程组,我一直调试不出结果,一运行就是busy,是不是程序哪里写错了?syms A B C D E;eq1='1/4*(110+220*A)*(3/25+B)*(69/50+A)*(11/100+C)-1377380*B*A*(11/400+5/4*C)*(1/2+A)-30
用Newton-Raphson法试了下:
给定初值[1,1,1,1,1],得到
-0.43992713717969
-0.00010699797645
-0.16462315624105
0.00000678235923
0.00000823572192
给定初值[1,2,3,4,5],得到另一个
-0.01494259126252
-0.00029926103702
-0.46941875159537
2.06762484056609
2.51068730640168