作业帮matlab解方程组求助.[fa(i),fb(i)]=solve('fa(i)+fb(i)=fr(i-1)-fr(i)','fr(i)*lz(i)+fb(i)*l=fr(i-1)*(lz(i)-lc(i))','fa(i)','fb(i)');%[fc(i),fd(i)]=solve('fc(i)+fd(i)=ft(i-1)-ft(i)','ft(i)*lz(i)+fb(i)*l=ft(i-1)*(lz(i)-lc(i))','fc(i)','fd(i)');%fa(i)
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![matlab解方程组求助.[fa(i),fb(i)]=solve('fa(i)+fb(i)=fr(i-1)-fr(i)','fr(i)*lz(i)+fb(i)*l=fr(i-1)*(lz(i)-lc(i))','fa(i)','fb(i)');%[fc(i),fd(i)]=solve('fc(i)+fd(i)=ft(i-1)-ft(i)','ft(i)*lz(i)+fb(i)*l=ft(i-1)*(lz(i)-lc(i))','fc(i)','fd(i)');%fa(i)](/uploads/image/z/13563165-21-5.jpg?t=matlab%E8%A7%A3%E6%96%B9%E7%A8%8B%E7%BB%84%E6%B1%82%E5%8A%A9.%5Bfa%28i%29%2Cfb%28i%29%5D%3Dsolve%28%27fa%28i%29%2Bfb%28i%29%3Dfr%28i-1%29-fr%28i%29%27%2C%27fr%28i%29%2Alz%28i%29%2Bfb%28i%29%2Al%3Dfr%28i-1%29%2A%28lz%28i%29-lc%28i%29%29%27%2C%27fa%28i%29%27%2C%27fb%28i%29%27%29%3B%25%5Bfc%28i%29%2Cfd%28i%29%5D%3Dsolve%28%27fc%28i%29%2Bfd%28i%29%3Dft%28i-1%29-ft%28i%29%27%2C%27ft%28i%29%2Alz%28i%29%2Bfb%28i%29%2Al%3Dft%28i-1%29%2A%28lz%28i%29-lc%28i%29%29%27%2C%27fc%28i%29%27%2C%27fd%28i%29%27%29%3B%25fa%28i%29)
matlab解方程组求助.[fa(i),fb(i)]=solve('fa(i)+fb(i)=fr(i-1)-fr(i)','fr(i)*lz(i)+fb(i)*l=fr(i-1)*(lz(i)-lc(i))','fa(i)','fb(i)');%[fc(i),fd(i)]=solve('fc(i)+fd(i)=ft(i-1)-ft(i)','ft(i)*lz(i)+fb(i)*l=ft(i-1)*(lz(i)-lc(i))','fc(i)','fd(i)');%fa(i)
matlab解方程组求助
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[fa(i),fb(i)]=solve('fa(i)+fb(i)=fr(i-1)-fr(i)','fr(i)*lz(i)+fb(i)*l=fr(i-1)*(lz(i)-lc(i))','fa(i)','fb(i)');%
[fc(i),fd(i)]=solve('fc(i)+fd(i)=ft(i-1)-ft(i)','ft(i)*lz(i)+fb(i)*l=ft(i-1)*(lz(i)-lc(i))','fc(i)','fd(i)');%
fa(i)=(fa(i)^2+fc(i)^2)^(1/2);%
fb(i)=(fb(1)^2+fd(i)^2)^(1/2);
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大家帮我看看这一段程序,其中i=1:6,这么编对么,但是总是出现
Warning:4 equations in 1 variables.
> In solve at 113
Warning:Explicit solution could not be found.
> In solve at 140
Subscripted assignment dimension mismatch.
matlab解方程组求助.[fa(i),fb(i)]=solve('fa(i)+fb(i)=fr(i-1)-fr(i)','fr(i)*lz(i)+fb(i)*l=fr(i-1)*(lz(i)-lc(i))','fa(i)','fb(i)');%[fc(i),fd(i)]=solve('fc(i)+fd(i)=ft(i-1)-ft(i)','ft(i)*lz(i)+fb(i)*l=ft(i-1)*(lz(i)-lc(i))','fc(i)','fd(i)');%fa(i)
变量太多,方程组不够.