文字
trader_sub
(PECL trader >= 0.2.0)
trader_sub — Vector Arithmetic Subtraction
说明
array trader_sub
( array
$real0
, array $real1
)
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.