Create a version 7 3 mat file with two variables a and b.
How to load variables from mat file.
Note that the variable data is not a matrix but a structure.
However it was too slow to load the single variable.
Dictionary in which to insert matfile variables.
In in loadvariablesfrommatfile sldemo househeat data mat.
Load variables from mat file use the loadvariablesfrommatfile method of the simulink simulationinput object.
For matlab formatted data files you can use.
Also name the variables you re loading.
For example load filename mat regexp mon tues or load filename mat regexp mon tues loads only the variables in the file whose names begin with mon or tues.
Data load db mat mat data.
Can also pass open file like object.
If variables in the mat file are needed in other functions pass those variables to the function.
You can load or save parts of variables.
Load ascii filename will load the data in file filenameas an ascii file space delimited numeric text loaded into a single variable in the current workspace with the name filename without the extension.
Use a mat file object to access and change variables in a mat file without loading the file into memory.
Load only the variables or fields whose names match the regular expressions specified as character vectors or strings.
This example shows how to load modify and save part of a variable in an existing mat file using the matfile function.
Load sobolparameter3layer mat numlayer numpar n par para parac allcol numcol totalcol.
Save example mat a b v7 3.
If you try to load a variable that isn t in the mat file you ll get a warning.
I was trying to load a single variable data from a large mat file 2gb using the following command in matlab r2016b on mac os.