How to have a variable size array out of matlab function block and export that data to matlab (To Workspace) to plot ?

I have a simulink model, there is a matlab function block in it. The output of the matlab function block is a variable sized array. Eventhough I specify the size as undefined and take the output out of the block.

I am unable to connect it to To Workspace block to take it to Matlab to plot it. It gives me error to change the type as struct or change the sample time to discrete (which i do not want to affect the whole simulation). None of the method works. I am looking forward for a suggestion.

Answer 1

[Mark McBroom]

Rather than connecting to a "to workspace" block, did you try right mouse clicking on the signal and marking it as "log" and then use Simulink Data INspector to plot the signal?

https://www.mathworks.com/help/simulink/ug/accessing-signal-logging-data.html

[VIGNESH BALAJI]

I didn't try it. The main reason I wanted to use To workspace is because I wanted to export it to matlab and then plot it using a matlab script.

I tried making the output from matlab function of this value as structure and other data types as suggested in the error suggestions and it didn't resolve the error.