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What is the purpose of lines 1-7 of this code?

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Saira Prince
Saira Prince 2019-3-28
回答： abouessire ismail 2019-3-28
ELEVATED=[]
[fname path]=uigetfile('*.mat');
fname=strcat(path,fname);
load(fname );
1) z=zeros(100,1);
2) A=val(1,:)
3) v1=val(1,:)-val(1,1)
4) A=v1
5) A=A'
6) zc=A(1)
7) A=[z;A;z]
% s = A(1:1:400);
s = A;
ls = length(s);
figure(1)
plot(s);
title('Actual Signal'),grid on

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abouessire ismail
abouessire ismail 2019-3-28
Hi !!
i have some note for you.
-from 2 to 4, you can also use
A=val(1,:)-val(1,1);
-6 line unusefull because we doesn't work with
the variable zc.
-work directly with A why you use may variable.
that's it.

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