Undefined function or variable 'bisection'.
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function [x,e] = mybisect (f,a,b,n)
c = f(a);
z = f(b);
if (f(a)*f(b) > 0)
error ('Function has ame sign at both endpoints')
end
disp(' x y')
for i = 1:n
x = (a+b)/2;
y = f(x);
disp([ x y])
if y == 0.0
a = x;
b = x;
break
end
if c.y < 0.0
b = x;
else
a = x;
end
end
x = (a+b)/2;
e = (b-a)/2;
end
回答（1 个）
James Tursa
2021-3-15
编辑：James Tursa
2021-3-15
0 个投票
From the error message, it looks like you are calling the function using the name "bisection", but the actual name of the function is "mybisect". Hence the error.
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