trader_cosh
(PECL trader >= 0.2.0)
trader_cosh — Vector Trigonometric Cosh
说明
trader_cosh(array
$real
): array
Calculates the hyperbolic cosine for each value in
real
and returns the resulting array.
参数
-
real
-
浮点数数组。
返回值
Returns an array with calculated data or false on failure.
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