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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PECL trader >= 0.2.0)
trader_sub — Vector Arithmetic Subtraction
$real0
, array $real1
)
Calculates the vector subtraction of real1
from
real0
and returns the resulting vector.
real0
浮点数数组。
real1
浮点数数组。
Returns an array with calculated data or false on failure.