trader_sub
(PECL trader >= 0.2.0)
trader_sub — Vector Arithmetic Subtraction
说明
trader_sub (
array
$real0
,
array $real1
) :
array
Calculates the vector subtraction of real1
from real0
and returns the resulting vector.
参数
-
real0
-
浮点数数组。
-
real1
-
浮点数数组。
返回值
Returns an array with calculated data or false on failure.