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is it built in function or a structure ?

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This is from the matalb documentation of reconfigurable intelligent surfaces. helperRISSurface is function or a structure ? how can i pass parameters?
i tried to rum this and i am getting error here. i have uploaded the screenshots
kindly help me
thank you.
=========================================================================
ris = helperRISSurface('Size',[Nr Nc],'ElementSpacing',[dr dc],...
'ReflectorElement',phased.IsotropicAntennaElement,'OperatingFrequency',fc)
ris =
helperRISSurface with properties:
ReflectorElement: [1x1 phased.IsotropicAntennaElement]
Size: [10 20]
ElementSpacing: [0.0054 0.0054]
OperatingFrequency: 2.8000e+10
=====================================================================

Accepted Answer

Cris LaPierre
Cris LaPierre on 12 Feb 2024
It is a helper function that is included with this example. On the upper right corner of the example page, use the 'Open in MATLAB Online' or copy and run the 'Copy Command' in your MATLAB Command window to download the example and supporting files to your MATLAB Instance.
  13 Comments
Salem Almezoge
Salem Almezoge on 27 Feb 2024
I have matlab 2023a I can ran this example?
Cris LaPierre
Cris LaPierre on 27 Feb 2024
As Walter pointed out, this example was introduced in R2023b. You will need that version of MATLAB to access it using the openExample command.
However, I don't see anything in the code that would prevent it from running in R2023a.

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