How can I use a gain as a matrix gain in a MATLAB Simulink model?

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Ali Chaibakhsh

Easy! In Simulink, data are arranged normally in a column, so change the multiplication type through the gain options: element-wise, u*k , k*u , or matrix and check the result!

Mahdi Abdeddaim

Make sur that you are multipling the same matrix dimesion, then change the multiplication type in gain paramter

Ehsan Omidi

It is as easy as was mentioned in answers. More information can be found in the following link:

http://www.mathworks.com/help/simulink/slref/gain.html