how edit code in matlab

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work wolf
work wolf 2016-2-26
编辑： work wolf 2016-3-11
how edit code matlab for change some comments
  2 个评论
Walter Roberson
Walter Roberson 2016-2-26
That image is too small and too faint for me to read. Please post a more legible version. Assume that some of us are half blind.
James Tursa
James Tursa 2016-2-27
Do you have a specific function you are working with?

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采纳的回答

Walter Roberson
Walter Roberson 2016-2-27
sum( abs(diff(f(x))) .* diff(x) )

更多回答（1 个）

John BG
John BG 2016-2-27
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
jgb2012@sky.com

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