文字
trader_sar
(PECL trader >= 0.2.0)
trader_sar — Parabolic SAR
说明
array trader_sar
( array
$high
, array $low
[, float $acceleration
[, float $maximum
]] )
参数
-
high -
高价，浮点数数组。
-
low -
低价，浮点数数组。
-
acceleration -
Acceleration Factor used up to the Maximum value. Valid range from 0 to TRADER_REAL_MAX.
-
maximum -
Acceleration Factor Maximum value. Valid range from 0 to TRADER_REAL_MAX.
返回值
Returns an array with calculated data or false on failure.