Function failed to call the variable from workspace.

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John Wray
John Wray le 24 Mai 2016
Commenté : Stephen23 le 24 Mai 2016
I tried to call a variable of workspace in my function, but it failed with " Undefined function or variable 'kinect_image'."
Why can't I call the existed variable in workspace in my own function?

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Walter Roberson
Walter Roberson le 24 Mai 2016
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.
  1 commentaire
Stephen23 le 24 Mai 2016
Indeed there are much better ways than using buggy evalin, and they are explained clearly in the documentation:

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