PHP 7.1.21 Released

trader_ln

(PECL trader >= 0.2.0)

trader_lnVector Log Natural

说明

array trader_ln ( array $real )

Calculates the natural logarithm 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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