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Problem with Delay Block inside a If-Action Subsystem using variable-sized arrays

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Jan-Felix Klein
Jan-Felix Klein 2018-7-12
关闭： MATLAB Answer Bot 2021-8-20
Hello community,
I need your help with the following problem. I am currently working inside an "If-Action Subsystem", which gets triggered once in a while. Inside I am working with variable-sized arrays (e.g. the output matrix TWaypoints, see picture below). What I want to do, is to save the variable-sized variable "t" for one timestep (I want to use the "last" value of t in another Matlab function also inside this subsystem). I tried to do this by using a Unit Delay block. However, the following error occurs (see picture).
When I follow the instructions given in the error message and change the "Propogate sizes of variable-size-signals" parameter of the Subsystem, I receive a similar error, which advises me to switch the just changed parameter back:
Now I am stuck inside this error loop. Does anybody knows what I can do differently to in order to hold the variable size array?
Thank you in advance!

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