Fejér sum
= Fejér sum
{c}
{title2=$\sigma_n(f)$}
The $n$th Fejér sum is the arithmetic mean of the first $n$ <Fourier partial sums>. Equivalently, it is the convolution of the function with the <Fejér kernel>.
= Fejér sum
{c}
{title2=$\sigma_n(f)$}
The $n$th Fejér sum is the arithmetic mean of the first $n$ <Fourier partial sums>. Equivalently, it is the convolution of the function with the <Fejér kernel>.