www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/RootStartingFromAnIntervalExample.m

    %% Root Starting From an Interval
% Find the zero of cosine between |1| and |2|. 

% Copyright 2015 The MathWorks, Inc.

fun = @cos; % function
x0 = [1 2]; % initial interval
x = fzero(fun,x0)
%%
% Note that $\cos(1)$ and $\cos(2)$ differ in sign.