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trader_beta

(PECL trader >= 0.2.0)

trader_betaBeta

说明

array trader_beta ( array $real0 , array $real1 [, int $timePeriod ] )

参数

real0

浮点数数组。

real1

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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