How do I load .mat file and take certain columns and make them an array?

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Aliyah 2022-3-17

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https://ww2.mathworks.cn/matlabcentral/answers/1674134-how-do-i-load-mat-file-and-take-certain-columns-and-make-them-an-array

评论： Matt J 2022-3-17

Hi, I have a .mat file with many columns but I only need 3 of them. How do I take each column and make it into an array?

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Matt J 2022-3-17

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https://ww2.mathworks.cn/matlabcentral/answers/1674134-how-do-i-load-mat-file-and-take-certain-columns-and-make-them-an-array#answer_920354

You could do it with matfile(), as in this example:

https://www.mathworks.com/help/matlab/ref/matlab.io.matfile.html#mw_630b6010-8f54-48f3-8655-aeed7e8b89df

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Aliyah 2022-3-17

mathworks help.jpg

Sorry, I still don't understand. This is what it looks like.

Matt J 2022-3-17

You cannot access the variables of a table from a .mat file without loading the entire table.

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