AxisLines

AxisLines[peakPoints:{{_?NumericQ,_?NumericQ}..},plotRange:{{_?NumericQ,_?NumericQ},{_?NumericQ,_?NumericQ}}]⟹lines_Graphics

draws lines from the peak point(s) to the x and y axes.

Details

Draw lines from peak points to axes:

Draw lines from a pair of peak points to axes:

The output from AxisLines can be used to produce a graphic:

Change the color of peak points:

Increase the size of peak point by 2:

SecondY with duplicated x-values are handled appropriately and do not throw errors:

SecondY with duplicated x-values are handled appropriately and do not throw errors: