trader_atan
(PECL trader >= 0.2.0)
trader_atan — Vector Trigonometric ATan
説明
trader_atan
( array $real
) : array
Calculates the arc tangent for each value in
real and returns the resulting array.
パラメータ
real- 実数値の配列。
返り値
Returns an array with calculated data or false on failure.
