Specify data to associate with instrument object
You configure UserData to store data that
you want to associate with an instrument object. The object does not
use this data directly, but you can access it using the get function or the dot notation.
Any instrument object
The default value is an empty vector.
Suppose you create the serial port object on a Windows® machine
associated with the serial port COM1.
s = serial('COM1');
You can associate data with s by storing
it in UserData.
coeff.a = 1.0;
coeff.b = -1.25;
s.UserData = coeff
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