How to plot a dot on a function line with only 1 value

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Michael Grubb
Michael Grubb on 7 May 2022
Answered: Walter Roberson on 7 May 2022
I have a function that plots a parabolic function. I need to know how to plot a dot on that line at say x=4. I know that just plot(4,'bo') will give me a dot at 0,4 but i need one on the line itself.

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Answers (1)

Walter Roberson
Walter Roberson on 7 May 2022
plot(x, y, '-', 0, 4, 'bo')

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