Function describing Exponential Moving Average.
Using a formula that is generally used for calculating investment over time to check gains on a commodity. Geometric mean as described here: www.investopedia.com
RSI inverse fisher transform (fishy turbo) as described here: autotradingstrategy.wordpress.com forexsb.com
Function for Volatility Stop: added some tweeks so it can be used on any series as in example a rsi.
EXPERIMENTAL: improved range detection (it now locks range when its last formed on the appropriate side improving readability as it doesnt auto adjust when opposite extreme moves)
EXPERIMENTAL: (accidentje) added example for exponential decay/growth.
added ability for selecting src to the fisher() function. now can be used with rsi/stoch/macd/etc...
Adapted from the builtin code: easy to use fisher function.
A simple function method to build color gradient palettes to use in scripts