主题:急求答案
我想请问一下我错误的地方在那里,非常感谢阿
[x,y]=solve(' cp(n+1)=x*ca(n+1)+y*ce(n+1)','cp(n)=x*ca(n)+y*ce(n)','x','y')
%x=eval(A.x);
%y=eval(A.y);
%x=double(A.x);
%y=double(A.y);
%p=x
c(n)=double(x) ;%可能有问题的地方
d(n)=double(y) ;
x =
(-cp(n)*ce(n+1)+ce(n)*cp(n+1))/(ca(n+1)*ce(n)-ce(n+1)*ca(n))
y =
(-cp(n+1)*ca(n)+ca(n+1)*cp(n))/(ca(n+1)*ce(n)-ce(n+1)*ca(n))
??? Undefined function or variable 'cp'.
Error in ==> F:\toolbox\symbolic\@sym\double.m
On line 45 ==> D = reshape(eval(X),m,n);
[x,y]=solve(' cp(n+1)=x*ca(n+1)+y*ce(n+1)','cp(n)=x*ca(n)+y*ce(n)','x','y')
%x=eval(A.x);
%y=eval(A.y);
%x=double(A.x);
%y=double(A.y);
%p=x
c(n)=double(x) ;%可能有问题的地方
d(n)=double(y) ;
x =
(-cp(n)*ce(n+1)+ce(n)*cp(n+1))/(ca(n+1)*ce(n)-ce(n+1)*ca(n))
y =
(-cp(n+1)*ca(n)+ca(n+1)*cp(n))/(ca(n+1)*ce(n)-ce(n+1)*ca(n))
??? Undefined function or variable 'cp'.
Error in ==> F:\toolbox\symbolic\@sym\double.m
On line 45 ==> D = reshape(eval(X),m,n);