MATLAB: Save(filename, var) cant find workspace variable even if it exist

MATLABsave

From my script i am trying to use save to store my workspace stucture to a .mat file. But i get following error message:

>> TestGUI Error using save Variable 'NewTest' not found.

In my script i use save like this:

save('NewTest.mat','NewTest');

I can see that my structure exists in the workspace, any idea why save don't find my variable?

Best Answer

The error message and the quoted code code give two different variable names: 'NewTest' vs 'newTest'.

Capitalization is significant in MATLAB!

It is not possible for both of these to be correct, so which one is right?

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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: Gui and work space data sharing

 If you want to access data that is in base workspace in your gui functions,
 use 
 v = evalin('base','name of variable u want to access');
 % the variable's data is now stored in v.
 If u want to save data of ur gui work space to base,use
 assignin('base','name of variable u want to save','value of variable');

Best Answer

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MATLAB: Clean variables of worskpace from GUIDE

MATLAB: Gui and work space data sharing

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