Name: Totally Positive functions
Type: requirement
Description: \textsl{LTFAT} \textbf{must} totally positive window functions
Rationale: It should be possible to create suitable totally positive
 FIR windows and their dual windows to be used for Gabor analysis
Invented on: 2014-08-13
Invented by: soender
Owner: soender
Topic: FunctionalityTop
Status: not done
