OurBigBook.comSite Source code

Triangular function ( $tri$ )

The triangular function

tri (x) = (1 - ∣ x ∣) 1_{[- 1, 1]} (x)

has angular-frequency Fourier transform

4 sin^{2} (ξ /2) / ξ^{2}

.

 Ancestors (6)

 Incoming links (1)

Solution