Can't remember the right word

[Harriet12]

I'm doing an assignment that involves changing constants in various non-linear functions (EG: f(x) = asin x.) Its come to commenting on my findings and I find myself struggling to find the word that describes the peaks and troughs in my graph (The graph looks like a graph of an AC current). I know everyone is going to think I am a complete idiot for asking this but I can't remember and thought that there is no harm in asking...

 

[dextercioby]

That's the amplitude. Was this the word?


Daniel.

 

[Harriet12]

Cheers mate, you are a champ!

 

[masudr]

Maybe amplitude is the word you're looking for, but they are the difference in height between the peaks and troughs divided by two. Actual peaks and troughs, however, are local maxima and minima.