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Workspace Variables

Theworkspacecontains variables that you create within or import into MATLAB®from data files or other programs. For example, these statements create variablesAandBin the workspace.

A = magic(4); B = rand(3,5,2);

You can view the contents of the workspace usingwhos.

whos
Name Size Bytes Class Attributes A 4x4 128 double B 3x5x2 240 double

The variables also appear in the Workspace pane on the desktop.

窗格has a row for each variable. The columns are Name, Value, Min, and Max. Value includes size and class.

Workspace variables do not persist after you exit MATLAB.Save your data for later use with thesavecommand,

savemyfile.mat

Saving preserves the workspace in your current working folder in a compressed file with a.matextension, called a MAT-file.

To clear all the variables from the workspace, use theclearcommand.

Restore data from a MAT-file into the workspace usingload.

loadmyfile.mat