How to insert bar markers in a line plot

Question

Aaron Ouyang 2022-7-11

0
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https://ww2.mathworks.cn/matlabcentral/answers/1757590-how-to-insert-bar-markers-in-a-line-plot

回答： Aaron Ouyang 2022-7-12

Hi,

I've been plotting a line graph of a cell's response to different chemicals administered at different times. The dataset is a 1470x1 double. I ran this code to generate a graph:

load(data)

t = linspace(0,length(data)*2, length(data)); % create a vector specifying the data to use for the x axis. i need to adjust the axis because the data was collected in a different timeframe

plot(t, data);

I want to be able to show the names of the compounds injected with text labels and I also want to have bars underneath the line plot that indicate when a stimulus was injected and for how long (i.e. at 1500 seconds Compound 8 was injected for 20 seconds). I drew a picture to illustrate my idea: