1.15.E23

MaRDI QIDQ534

• Label: 1.15.E23

Digital Library of Mathematical Functions ID 1.15.E23

${\displaystyle{\displaystyle\sigma_{n}(\theta)=\frac{1}{2\pi}\int^{2\pi}_{0}K_{n}(\theta-t)f(t)\mathrm{d}t.}}$

Symbols List

• ${\displaystyle{\displaystyle\pi}}$: the ratio of the circumference of a circle to its diameter
• ${\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}$: differential of x
• ${\displaystyle{\displaystyle\int}}$: integral
• ${\displaystyle{\displaystyle n}}$: nonnegative integer
• ${\displaystyle{\displaystyle K_{n}(\theta)}}$: Fejér kernel (locally)
• ${\displaystyle{\displaystyle\sigma_{n}(\theta)}}$: Cesàro mean (locally)
 

Resources that cite this formula

No records found.