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Simulink write to array index

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Brecht Vermeulen
Brecht Vermeulen on 20 Jul 2018
Edited: TAB on 27 Jul 2018
Goodmorning,
Which block should be used to write to a specific index of an array in Simulink.
Eg. I have a signal with an array [2, 1, 8, 5] and I want to write a 2 to index 3, keeping the other values equal. This should result in an array [2,1,3,5].
Should this really be done by a matlab function?
Kr, BV

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Answers (2)

Birdman
Birdman on 20 Jul 2018
Of course it can be done. Check the attached files.

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TAB
TAB on 26 Jul 2018
Edited: TAB on 27 Jul 2018
Use Assignment block.
OR
Split the array signal using Demux. Then connect the all (except desired index to change) outputs to Mux. Connect other signal at desired index.

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