Power series
= Power series
{wiki=Power_series}
A power series is a type of infinite series of the form: \\\[ f(x) = \\sum_\{n=0\}^\{\\infty\} a_n (x - c)^n \\\] where \\( a_n \\) are the coefficients of the series, \\( c \\) is a constant (often referred to as the center of the series), and \\( x \\) is a variable.