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how edit code in matlab

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work wolf
work wolf on 26 Feb 2016
Edited: work wolf on 11 Mar 2016
how edit code matlab for change some comments
  2 Comments
James Tursa
James Tursa on 27 Feb 2016
Do you have a specific function you are working with?

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Accepted Answer

Walter Roberson
Walter Roberson on 27 Feb 2016
sum( abs(diff(f(x))) .* diff(x) )

More Answers (1)

John BG
John BG on 27 Feb 2016
assuming you have sampled often enough to catch the true max min values, to avoid missing max or min when searching for U and L within [x(i) x(i+1)] then define reference vector x
x=[0:.1:10]
f=@(x) sin(x)
y=f(x)
z=zeros(1,length(x)-1)
for i=2:length(x)
z(i)=(max(y(i),y(i-1))-min(y(i),y(i-1)))*(x(i)-x(i-1))
end
sum(z)
redefine x and the function f to your values of interest.
If you find this answer of any help solving this question, please click on the thumbs-up vote link,
thanks in advance
John

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