Load Mat File Into Matrix Matlab
Dictionary in which to insert matfile variables.
Load mat file into matrix matlab. Matlab is a really popular platform for scientific computing in the academia. Name and extension of the file to import specified as a character vector or a string scalar. If you use load with no output arguments the data will appear in your workspace exactly as you saved them. For example if your mat file contains function handle myfunc the syntax m myfunc attempts to index into the function handle and does not invoke the function.
Even when you just specify a single variable name load will still output it in a structure. The problem with this is that they will overwrite variables with the same names that are already in your workspace. 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. True to append the mat extension to the end of the given filename if not already present.
Name of file specified as a character vector or string scalar. Filename can include a file extension and a full or partial path. Name of the mat file do not need mat extension if appendmat true. And just like a box can contain something so can a structure hold your data.
The structure s is not your original data array but a container that contains your data array. Loading it with an output variable creates a structure allowing you to rename the. This is a brief post which explains how to load these files using python the most popular language for machine learning today. In your case one option you have is to use the function struct2cell to convert the output from load into a cell array then return this result using a variable output argument list.
The mat file object does not support evaluating function handles using the m output. If importdata recognizes the file extension it calls the matlab helper function designed to import the associated file format such as load for mat files or xlsread for spreadsheets. A structure is like a box. When saving a handle object matlab saves a copy of the object not a copy of the handle.
Function varargout loadstructfromfile filename environmentname varargout struct2cell load filename environmentname. Can also pass open file like object. 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. If you do not specify filename the load function searches for a file named matlab mat.