trader_dema

(PECL trader >= 0.2.0)

trader_dema — Double Exponential Moving Average

说明

array trader_dema ( array $real [, integer $timePeriod ] )

参数

real

浮点数数组。

timePeriod

Number of period. Valid range from 2 to 100000.

返回值

Returns an array with calculated data or false on failure.

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