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Also, as devil suggested i added append mode, final code looks like this. When you wish to access your data, you first need to get it out of the structure, just like you would get something out of the box before you can use it. Starting in r2019a, use the writematrix function to write a matrix to a delimited text file. Mathworks introduced release 2017b r2017b, which includes new features in matlab and simulink, six new products, and updates and bug fixes to 86 other products. How to load mat file into 3d matrix matlab answers. If writematrix cannot construct the file name from the array name, then it writes to the file matrix. Whenever text prints to this stream, the output stream opens the file, appends the text, and closes the file. The tofile class creates an output stream that writes text output to a utf8 encoded file. If datatype is native, then y can be one of several matlab data types, depending on the file format and the bitspersample value of the input file. By default, matlab uses the short format 5digit scaled, fixedpoint values. If you plan to read the file with microsoft notepad, use \r instead of to move to a new line.
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