Concatenate Multiple Mat Files

The size of a mat file is not exactly correlated to the size of the included data because mat files can be compressed and they have a header.

Concatenate multiple mat files. We often encounter situations where we have data in multiple files at different frequencies and on different subsets of observations but we would like to match them to one another as completely and systematically as possible. In r the merge command is a great way to match two data frames together. Learn more about mat files file combine matlab. If i interpret your question correctly you have two mat files containing the same variable names but with different data and you want to concatenate the data from each file into a new variable with again the same name.

For example mat file 1 contains a 1 2 3 4 and mat file 2 contains a 6 7 8 9. All mat files have the same content but the size of each variable in each mat file is different. A mat file doesn t contain columns but variables. How do i combine multiple mat files into a single matrix.

Thank you 4 comments. If you mean your two mat files contains a variable d for example that is nx89 then you need to load your two variables from your two mat files a1 load file1 mat. Show hide 1 older comment. And concatenating the files directly will not work also.

Therefore it is unlikely that joining the contents of 6 matlab files leads to a mat file whose size is the sum of the single files. The wiki examples show how to import multiple jpeg and text files and the video on here how to import files programmatically uses excel files as an example but nothing. I have two mat files to extract features one for edge and one for surf and i want to concatenate these two mat file and generate new mat file i want to save each edge and surf features for the same image in a row how can i do that. Stephen cobeldick on 13 apr 2017 hi i m running a script currently that analyses multiple c3d files and outputs al the variables im interested in as a single array 1 row x n columns.