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The workspace refers to the memory space utilized by MATLAB. To see what variables have been defined, that is which variables are in the workspace, try typing who. The who command list all the variable that are currently defined in the workspace. Only the names of the variables are listed. The related command whos lists each variable, its type, and its size. Try the following.
a = 1
b = 2
c = [2,3,5]
d = [4;1;3;-1]
e = 'words, words, words'
f = [7,9;8,5]
Note that for e you must use single quotes, not double quotes. The workspace can also be visible from a child window in the main MATLAB window. If it isn't visible, go to View menu and select Workspace.

Gus Hart 2005-01-28