loading xn data signals of data.txt

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Okafor Nzute
Okafor Nzute 2022-1-26
回答： Rik 2022-1-26
I have a data points in a text document named data.txt. This file contains 1000 data points of random numbers in the form below
0.0773
0.6455
-0.9333
etc.
This data points is called xn if loaded.
The requirement is to find X such that X is a column vector of xn-1 and xn-2. How do I iterate through the data points of xn to get xn-1 and xn-2 and then combine xn-1 and xn-2 to form a colum vector called X. Your suggestions pls

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Rik
Rik 2022-1-26
No loops required:
xn=rand(1000,1);%replace this with the code reading your text file
X=[xn-1;xn-2];

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