What's the function of this graph?

[samsami]

Find a function

Hi everybody
I want to know what's the function of sinusoidal curve but with sharp peaks both positive and negative? In the other word, peaks (positive and negative) be as follows:
/\/\/\/\/\/\/\

Thanks so much.

 

[stapel]

I want to know what's the function of sinusoidal curve but with sharp peaks both positive and negative? In the other word, peaks (positive and negative) be as follows:
/\/\/\/\/\/\/\

The particulars of the function depend upon the particulars of the data you've been given.

Please reply with the full and exact text of the exercise, the complete instructions, and a clear listing of your efforts so far. Thank you!

 

[samsami]

The particulars of the function depend upon the particulars of the data you've been given.

Please reply with the full and exact text of the exercise, the complete instructions, and a clear listing of your efforts so far. Thank you!

I mean sawtooth wave, please give an answer that what's the function of the sawtooth wave as distance of between teeth be "a" and height of ones be "b" as follows:

/\/\/\/\/\/\/\ |b
_
a

Thank you so much.

 

[Ishuda]

I mean sawtooth wave, please give an answer that what's the function of the sawtooth wave as distance of between teeth be "a" and height of ones be "b" as follows:

/\/\/\/\/\/\/\ |b
_
a

Thank you so much.

http://en.wikipedia.org/wiki/Triangle_wave