code to read the data in matfile

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arunnagiri murrugesan 2019-10-15

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https://ww2.mathworks.cn/matlabcentral/answers/485364-code-to-read-the-data-in-matfile

评论： Walter Roberson 2019-10-15

let us take dat is matfile = 1684 *1 . i want to read first 100 values of the 1684 points . what is the function or code to use ?

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Answer 1

Nicolas B. 2019-10-15

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https://ww2.mathworks.cn/matlabcentral/answers/485364-code-to-read-the-data-in-matfile#answer_396372

Read the matfile documentation. It contains what you want.

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Walter Roberson 2019-10-15

Note that matfile can read from -v7 files but needs -v7.3 to write. Also, you should not expect any efficiency gains for -v7 file compared to just reading the whole variable and extracting a part of it. For such a small amount of data I would suspect that matfile for a -v7.3 file would be slower than reading the whole variable and extracting from it.

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