for i=1:m temp=solve('g*s*s/vk(i)-Hi(i)=Hi(i)*cos(a)-s*sin(a)','a'); temp=vpa(temp);end换成for i=1:m temp(i,1) = fsolve(@(a) g*s*s/vk(i)-Hi(i)-Hi(i)*cos(a)-s*sin(a),[0.3],optimset('Display','off'));end具体格式你可以help fslove 看看 查看原帖>>