How to create the following file for this function script header

2020 4 24
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更新时间：2020 4 24
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I have a function script which should receive through the header the name of the file that contains a data set. This file is to contain two columns of numbers; the first column x-values, the second column y-values. Finally, the file is to be in ascii format.
Can someone please help me with this?

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Walter Roberson
Walter Roberson 2020-4-24

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You can load() the file whose name is passed in.

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Anthony Bartsch
Anthony Bartsch 2020-4-24
编辑：Anthony Bartsch 2020-4-24
Okay! Thanks. But what would that file contain, like could you set up code of what I should have in the file I wish to load() with random x and y values? I just wanted to test the function. And what extension would the file be that I wish to be a parameter for the function script? .txt? .m? .mat?
Walter Roberson
Walter Roberson 2020-4-24
The file extension can be anything other than .mat or .fig in order for MATLAB to guess that it contains text.
I would tend to think that the file would contain values generated by your previous question about how to write two columns of numbers to a file.

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