Vertical line in plots

Question

Max1234 2023-1-4

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https://ww2.mathworks.cn/matlabcentral/answers/1888287-vertical-line-in-plots

回答： Star Strider 2023-1-4

Hi guys,

I have created a plot and am reading two values. To show graphically which values I am taking, I would like to create a vertical line at the x-value. Is there a simple function for this?

Thanks a lot!

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Answer 1

Star Strider 2023-1-4

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https://ww2.mathworks.cn/matlabcentral/answers/1888287-vertical-line-in-plots#answer_1141267

The xline function will plot a vertical line between the limits of the y-axis at the chosen x-value. To plot a vertical line only to the value you want (or between two specific y-values), the approach in Trying to plot a vertical line that stops at the intersection of a curved line in Matlab. works.