memory efficient TFDs

v0.2.4

cite ApplCompHarmAnal paper

Memory efficient algorithms for quadratic TFDs

Code to accompany book chapter:

JM O' Toole and B Boashash, “Memory Efficient Algorithms for Quadratic TFDs”, Chapter 6.6; in Time–Frequency Signal Processing and Analysis: A Comprenhensive Reference, Second Edition, Academic Press, pp. 374–385, 2016 (ISBN: 9780123984999).

first release to accompany book chapter

Code ready for use (and testing!).