|
update : 2015.11.03
php.shukuma.com검색:
|
trader_atan(PECL trader >= 0.2.0) trader_atan — Vector Trigonometric ATan 설명
array trader_atan
( array
$real
)
Calculates the arc tangent for each value in
인수
반환값Returns an array with calculated data or false on failure. |