Argument of a function includes another function

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Nicole Stripling
Nicole Stripling 2019-10-14
回答： Walter Roberson 2019-10-14
Hi all,
I have a file called "fofx.m", and it has this function
function y = fofx(x)
y = cos(x) - sin(x);
end
In another file (same directory), I have
function [l,r,nf] = bisect(fname,a,b,tol)
if(a == b)
if(fname(a) == 0)
l = a;
r = l;
nf = 0;
return;
end
end
The evaluation of fname at a is giving me trouble. I get a different error message, no matter how I try get this function evaluated. How can I evaluate fname at a?

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回答（1 个）

Walter Roberson
Walter Roberson 2019-10-14
[leftbound, rightbound, whatever_nf_stands_for] = bisect(@fofx, some_a, some_b, tolerance_to_use);

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