# User contributions

- 09:13, 31 October 2013 diff hist +86 m Z-transform →Example.: TeXed the first equation which was urgently needed, as there was a missing parenthesis before "20 x ( n + 1 + 24 x ..." after "20 x ( n + 1 ) + 24 x ..."
- 09:57, 18 March 2013 diff hist +27 m Hilbert transform TeXed the first equation
- 09:43, 18 March 2013 diff hist +157 m Hilbert transform →Comments: Link to wikipedia for other represantations of defining integral.