MATLAB: How to run a script from a GUI that will run in the ‘base’ workspace

MATLABmatlab guisimulinkworkspace

I have a simulink model that uses a lot of variables from the base workspace. Now I am making a GUI that runs the model, but I want to be able to reinitialize the base workspace by calling the script that does this. But I want to do it from the GUI. How do I run a script as if in the base workspace so that it populates all the variables there? I could use assignin('base', var, reinitvar), but this would be extremely tedious for all the variables. Is there another option?

Best Answer

evalin('base', 'name_of_script')

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MATLAB: Clean variables of worskpace from GUIDE

You can send commands to base workspace using the evalin() function as you mentioned. For example you can say:

 evalin('base','who')

and to clear a variable myvarinbase say

 evalin('base','clear myvarinbase')

Note that

 clear var1 var2

will remove variables var1 var2 from the current workspace, not necessarily base workspace, if it is called from inside a function like a GUI.

MATLAB: Function failed to call the variable from workspace.

The variable might not be in the same workspace. If you defined it at the command prompt then it would be in the "base" workspace rather than in the function's workspace. You can retrieve variables from the base workspace:

   evalin('base', 'kinect_image')

but almost always a better way is to pass the variable to the function.

Best Answer

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MATLAB: Clean variables of worskpace from GUIDE

MATLAB: Function failed to call the variable from workspace.

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