Plot a straight line on another graph

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muhammad muda on 11 Nov 2019

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Answered: Star Strider on 11 Nov 2019

Accepted Answer: Star Strider

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Hi,

I have a curve line graph that I plot using plot function. How can I put reference lines on it as shown in figure attached?

Any help? Thanks..

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Star Strider on 11 Nov 2019

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It looks as though you want to plot tangent lines at specific points on the curve. See How to draw tangent line at infleciton point? for an example.

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