Why do I keep running into errors???
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Ehi Eromosele
le 11 Fév 2014
Commenté : Walter Roberson
le 12 Fév 2014
function points=refine(x1, x2, tol)
xm = (x1+x2)./2;
if abs((f(x1)+f(x2))./2-f(xm))<tol
points=[x1,x2];
else
left=refine(x1, xm, tol);
right=refine(xm, x2, tol);
points=[left, right(2:length(right))];
end
end
function linearinterp
x=linspace(-5, 2*pi, 30);
y=exp.^(-x./2).*sin(x^.2+8);
points=refine(0, 7, 0.1);
plot(x, y, points, f(points), 'r+');
hold on
plot(points, f(points));
hold off
end
2 commentaires
Azzi Abdelmalek
le 11 Fév 2014
How are we supposed to know? no error message, no details about how you ran your two functions ...
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Walter Roberson
le 12 Fév 2014
You cannot just press F5 or click on "run". You need to go to the command window and call the function like you were putting it into a program. For example,
refine(1.343, 83.60, 1e-6)
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Image Analyst
le 12 Fév 2014
exp.^(-x./2) is not proper. exp is a function, not the value "e", so it must be immediately followed by a left parenthesis: exp(-x/2). You do not need the dot before the slash because 2 is a scalar, not an array.
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