illogical solution. How can i fix it?

조회 수: 3 (최근 30일)
Physiker192
Physiker192 2014년 8월 15일
편집: Star Strider 2014년 8월 15일
i have this code written to solve the system of equations saved in the array (dif) it does everything that i should do but the problem is that whenever i run my program i always get 0 as a solution.
n=input('n=');
E=input('E=');
h=3;
dif=sym(zeros(1,n));
F=0;
x=sym(zeros(1,n));
for k=1:n
x(k) = sym(sprintf('x%d',k));
end
for i=1:n
D= 0.5;
% V=0;
% b=0;
for j=1:n
if (mod(j,2)==0)
D = D + cos(h*x(j));
else
D = D - cos(h*x(j));
end
end
D=(2*E*sqrt(2)/(pi*h))*abs(D);
F = F + 1/h*(D^2);
h=h+2;
end
for j=1:n
dif(j)=diff(F,x(j),1);
end
S=double(solve(dif));
x = structfun(@subs,S)
can anybody tell me what's wrong with this code? thanks in advance.

답변 (0개)

카테고리

Help CenterFile Exchange에서 Numeric Solvers에 대해 자세히 알아보기

태그

아직 태그를 입력하지 않았습니다.

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by