How to draw 2 different plot on a graph

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Hung Tat Ho
Hung Tat Ho 2020-5-29
评论： Hung Tat Ho 2020-5-29
we have two column A and B. so how to draw 2 different plots on a graph?

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Tommy
Tommy 2020-5-29
编辑：Tommy 2020-5-29
hold on
or
set(gca, 'NextPlot', 'add')
in between your calls to plot or however you are plotting.
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Tommy
Tommy 2020-5-29
Ok thank you. What are you hoping the plot will look like? Your vector is so long that it is impossible to see any of the background which would make it easier to see the actual values being plotted. Similar to the following:
plot(rand(1000000,1))
Do you no longer have two columns to plot?
Hung Tat Ho
Hung Tat Ho 2020-5-29
Hi. i have two columns with too much raws as each column and i want the plot look like as below, it included two different plots in one graph.

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