You cannot do that. fzero() is based upon the assumption that when upper and lower bounds are provided, that they are constant, not values that vary according to the current "x" value. (Your "w" varies from -a to +a rather than being fixed.)
value search using functions
2 次查看(过去 30 天)
显示 更早的评论
how do i use the fzero function or any other MATLAB function to find/verify the value of 'a', like i have done using the cubic spline method. (i am pretending that i don't know what that value is)
a=5;
w=-a:a/1000:a;
F=2*sin(a*w)./w;
%
%
w_int=-5:0.01:5;
F_int=spline(w,F,w_int);
plot(w_int,F_int,'o');
plot(w,F, '--', w_int,F_int,'o')
c = max(F_int);
[~, idx] = min(abs(w_int - 0.005));
d = w_int(idx);
a1 = (c*d)/(2*sin(d));
0 个评论
采纳的回答
更多回答(0 个)
另请参阅
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!