What does this symbol in simulink represent?

Where and how can i find this symbol in simulink

[Faisal Ahmed]

what is the other blue symbol on output signal from SpeedRef

Answer 1

[Stefan Raab]

Hello

right click on a signal: Linear Analysis Points/Input Perturbation. You need Simulink Control Design for this.

Kind regards, Stefan

[Muhammed Fasil]

Thank alot Stefan!

[Faisal Ahmed]

Hello Both, What is the blue symbol on the output from SpeedRef. thank you