how to plot tangent line in simulink

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EnjoyLife 2019-11-22

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回答： Shubh Sahu 2019-11-27

hi this is a graph that i get from simulink.

may i know how to plot a tangent line in this simulink graph to obatain my time constant? Thank you.

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Shubh Sahu 2019-11-27

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Time constant would be 0.37 times of peak amplitude. Please refer to these links for following details

https://www.mathworks.com/matlabcentral/answers/14580-how-to-draw-tangent-line-simulink-graph

https://www.mathworks.com/matlabcentral/answers/426362-how-to-draw-a-tangent-line-on-a-curve

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