Load Mat File

To load saved variables from a mat file into your workspace double click the mat file in the current folder browser.

Load mat file. To see what is in the mat file prior to loading it use whos file. Whos file mydata mat name size bytes class javarray 10x1 java lang double sparray 5x5 84 double array sparse strarray 2x5 678 cell array x 3x2x2 96 double array y 4x5 1230 cell array clear the workspace and load it from mat file mydata mat. The following matlab statements will load this data into the matrix my xy and then copy it into two vectors x and y. You also can drag the desired variables from the current folder.

If filename has no extension that is no text after a period load looks for a file named filename mat if filename has an extension other than mat the load function treats. Name of the mat file do not need mat extension if appendmat true. Name of file specified as a character vector or string scalar. Can also pass open file like object.

Dictionary in which to insert matfile variables. Autodesk s 3ds max and e on vue use mat files. Select the mat file you want to load and click open. When working with these large.

Save and load parts of variables in mat files. The primary advantage of using the matfile function over the load or save functions is that you can process parts of very large data sets that are otherwise too large to fit in memory. A mat extension is reserved for matlab matrix files see help load for more information. Basically matlab can only find files if they are in your path.

Sign in to comment. True to append the mat extension to the end of the given filename if not already present. Filename can include a file extension and a full or partial path. If you do not specify filename the load function searches for a file named matlab mat.

It s most likely that name1 mat is not in your search path. A load 1 mat imshow a this is the shortest possible way and 1 is the name of the image. You will type according to your mat file. Matlab uses the idea of a search path to determine where it searches for files and functions.

Sign in to answer this question. You can save and load parts of variables directly in mat files without loading them into memory using the matfile function. Suppose you had a simple ascii file named my xy dat that contained two columns of numbers. If your mat file isn t in either of the above formats it might instead be a materials file used in 3d design software.

Your current working directory is automatically included in matlab s search path.