DECEMA

// Created from original DECEMA code found @ http://www.xpworx.com/download-free/mt4-indicators/decema-indicator.php
// Converted to pinescript -- (sorry for the other variables not used in my messy code)
// AUTHOR -- SHAMUS ARNESEN
study(title="DECEMA", shorttitle="DECEMA", overlay=true)
src = close
length = input(50, minval=1)

EMA1 = ema(src, length)
EMA2 = ema(EMA1, length)
EMA3 = ema(EMA2, length)
EMA4 = ema(EMA3, length)
EMA5 = ema(EMA4, length)
EMA6 = ema(EMA5, length)
EMA7 = ema(EMA6, length)
EMA8 = ema(EMA7, length)
EMA9 = ema(EMA8, length)
EMA10 = ema(EMA9, length)

//ema1 = EMA1

//DEMA = (2 * ema1) - ema(ema1, length)

//TEMA = (3 * ema1) - (3 * (ema(ema1, length))) + ema(ema(ema1, length),length)
//TEMA = (3 * EMA_src) - (3 * (ema(EMA_src, length))) + ema(ema(EMA_src, length),length)

QEMA=5*EMA1-10*EMA2+10*EMA3-5*EMA4+EMA5

DECEMA = (10 * EMA1)-(45 * EMA2)+(120*EMA3)-(210 * EMA4)+(252 * EMA5)- (210* EMA6)+(120*EMA7)-(45 *EMA8)+(10* EMA9)-EMA10

//lrc = linreg (close, length, 0)

//composite = (lrc + QEMA + TEMA + DEMA + EMA1) / 5


//out = 3 * (ema1 - ema2) + ema3

//ema6 = ema(ema5, length)
//out = 3 * (ema4 - ema5) + ema6
//out = QEMA
out = DECEMA

plot(out, color=white)