How to Graph a Function in Excel. A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y.

STEFAN GÜTTEL, GEORGES KLEIN, CONVERGENCE OF LINEAR BARYCENTRIC RATIONAL INTERPOLATION FOR ANALYTIC FUNCTIONS, SIAM Journal on Numerical Analysis, Vol. 50, No. 5 (2012), pp. 2560-2580 ...

Meanwhile, L-functions — which are like the zeta function but have varying numerators — govern the distribution of primes in more complicated number systems. Over the past 50 years, L -functions have ...