Exponential Sum

In mathematics, an exponential sum may be a finite Fourier series (i.e. a trigonometric polynomial), or other finite sum formed using the exponential function, usually expressed by means of the function

Therefore a typical exponential sum may take the form

summed over a finite sequence of real numbers xn.

Read more about Exponential Sum:  Formulation, Estimates, History, Types of Exponential Sum, Example: The Quadratic Gauss Sum

Famous quotes containing the word sum:

    They are but beggars that can count their worth,
    But my true love is grown to such excess
    I cannot sum up sum of half my wealth.
    William Shakespeare (1564–1616)