This might help when it comes to mama : it is a document by John Ehlers that describes what is it and how it does it:
MAMA – THE MOTHER OF ADAPTIVE MOVING AVERAGES
(The MESA Adaptive Moving Average (MAMA) adapts to price movement in an entirely new and unique way …).
Read more:
http://www.forex-tsd.com/indicators-metatrader-4/2613-nonlagging-tools-34.htm…
Newdigital Life 