MATLAB: How to change the units of the ‘Bytes’ column in the Workspace Browser in MATLAB 7.9 (R2009b)

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I would like to be able to see the memory size of my variables in the Workspace Browser in KB, MB and GB rather than in bytes.

Best Answer

The ability to change the displayed units of the 'Bytes' column in the Workspace Browser is not available in MATLAB 7.9 (R2009b).

In order to work around this issue you can use the attached code, 'wssize.m', to display a list of variables in your base workspace in other units.

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MATLAB: How to create a function to dump all the local variables in a function to the base workspace in MATLAB 7.8 (R2009a)

This can be done using the EVALIN and ASSIGNIN commands.

function to_base_workspace()
ws=evalin('caller','whos()');
for i=1:length(ws)
tmp=evalin('caller',ws(i).name);
assignin('base',ws(i).name,tmp);
end

If you save the code above into a file named "to_base_workspace.m", you can then run the following example code:

function example
a=rand(10,10);
b='here is an example string';
c=num2cell(1:10);
to_base_workspace();

MATLAB: How i can display the variables in work space

MATLAB actually has different workspaces! The main workspace is called the base workspace, but every function also has its own private workspace: this is done on purpose to keep the internal details of how functions work separate from each other and from the base workspace too.

If you want to see the variables in a function workspace, then you have two main ways to achieve this:

return some variables (i.e. output arguments) from a function to another workspace.
use the debugging tools to view inside any workspace.

This is explained in the documentation too: "By default, the Workspace browser displays the base workspace. You also can view function workspaces if MATLAB is in debug mode. For more information, see Debugging Process and Features..."

It is not recommended to magically pass all variables to another workspace via assignin, evalin or something similar. This is buggy and slow. MATLAB themselves describe the best practices for passing variables around between workspaces.

Best Answer

Related Solutions

MATLAB: How to create a function to dump all the local variables in a function to the base workspace in MATLAB 7.8 (R2009a)

MATLAB: How i can display the variables in work space

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