[Simulink] Invalid dimensions specified for input port

2019 8 6
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更新时间：2019 8 7
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I'm trying to simulate a simple state space system with feedback. The model I made is the following
simulink.png
This are the variables I'm using
simulink.png
It's clear A is 2x2, B is 2x1, C and K are 1x2 and D is a scalar value. When I run the simulation, I get the following error
simulink.png
The state vector x should be 2x1, rendering the matrix product K*x valid, but I'm getting an error. How can I solve this? Should I configure the output of the transfer block? I tried but I couldn't

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The problem was I was integrating with a transfer function, instead of using the integrator block. They look the same in appearance, so beware

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