Why can't I add a block to my model using add_block?

Emmanuel asked: 2020-09-19 simulink , matlab , simulation

Troubleshooting why add_block isnt working in your MATLAB model? Find solutions, common errors, and expert tips for successfully adding blocks. Read now

Expert Answer

Prashant Kumar answered . 2025-07-30 05:59:55

The Simulink library must be loaded to programmatically add blocks in a model. The LOAD_SYSTEM function can be used to programmatically load the Simulink library as in this example:

load_system('simulink')

open myModel.mdl

add_block('simulink/Sources/In1','myModel/myin1')

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Frequently Asked Questions

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