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How to read Simulink inputs from Matlab ?

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ameen
ameen el 18 de Mzo. de 2014
Comentada: Pradeepth Sathyanathan el 29 de Abr. de 2021
Hi all
I am trying to model some mathematical equation in Simulink where some of the inputs are constant number, some are varying with time and some are words like choices (yes or no)
i want to put all my variables in one file (for example .m file to be easily edited) then read it from Simulink.
i tried to write .m file then run it and print variables on the command window or the workspace then put a 'From workspace' block with the variable name in Simulink but i found an error because of 'Invalid matrix-format variable specified as workspace input'
any suggestions ??
Thanks

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Jacob Halbrooks
Jacob Halbrooks el 18 de Mzo. de 2014
Editada: Jacob Halbrooks el 18 de Mzo. de 2014
This error suggests that you are not using a data format that the block supports. See the Specifying the Workspace Data section of the block's reference page for more information. In addition, the block's dialog provides guidance on how to format matrix or structure data:
For matrix formats, each row of the matrix has a time stamp in the first column and a vector containing the corresponding data sample in the subsequent column(s).
For structure format, use the following kind of structure:
var.time=[TimeValues]
var.signals.values=[DataValues]
var.signals.dimensions=[DimValues]
If you do not actually need time-varying data, then consider using a Constant block instead, where you can enter your data's workspace variable name in the "Constant value" box.
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ameen
ameen el 20 de Mzo. de 2014
Thank you very much for your help.

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