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XY Graph w Limited Data from Array

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I have a growing array with 5 columns (time, flowrate, pressure1, p2, p3), plotted in two XY graphs. I am concerned that the numerous data points are slowing down the program, therefore, I want to limit the amount of rows in the array to be plotted in the XY Graphs. Let us say the last 20 rows. Does anyone know how to do this?

 

 

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Solution
Accepted by topic author svelasmor

You can use Delete From Array so that you can just hold onto the last 20 rows.

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