finding out the value of a point in a graph

how to find out the value of the peak point in a graph using command or coding? do the command "maxValue" will help?

Answer 1

[Image Analyst]

Well you plotted it so you must have the data. maxValue is not a command but max() is. You can try this:

maxValue = max(data(:));

[Ambika]

thank you for your answer