From: On uncertainty principle of the local polynomial Fourier transform
n
〈τn〉
1
a t a + α
2
1 2 ( a + α ) + a t a + α 2
3
3 a t 2 ( a + α ) 2 + a t a + α 3
4
3 4 ( a + α ) 3 + 3 ( a t ) 2 ( a + α ) 3 + a t a + α 4
5
15 a t 4 a + α 3 + 5 a t 3 a + α 4 + a t a + α 5
6
15 8 a + α 3 + 5 a t 2 4 a + α 4 + 15 a t 4 2 a + α 5 + a t a + α 6