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cycle for integrating vector sections

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Lev Mihailov
Lev Mihailov 2020-7-21
评论： Alan Stevens 2020-7-21
Hello! I have a vector that I need to integrate over the sections, the length of the section is 3
% now I use such a loop, but it gives me 900 answers, but should 300
for i=1:length(Fi)
x=Fi(i:i+2); % +2 I need to integrate sections (3 values ​​per section)
LayerDepstep(i)=trapz(x);
end
% x=900 % 300
% Fi vector 1:900 %

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回答（1 个）

Alan Stevens
Alan Stevens 2020-7-21
Perhaps you should have something like:
for i=1:4:length(Fi)-2
x=Fi(i:i+2); % +2 I need to integrate sections (3 values ​​per section)
LayerDepstep(floor(i/4)+1)=trapz(x);
end
  2 个评论
Lev Mihailov
Lev Mihailov 2020-7-21
i tested this method but it didn't help me
Alan Stevens
Alan Stevens 2020-7-21
It does what you appeared to be asking for, i.e. reduces the number of sections by a factor of 3. What problem remains?

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