trader_ln
    PHP Manual
    PHP Manual»Trader 函数»trader_ln

    trader_ln

    (PECL trader >= 0.2.0)

    trader_ln — Vector Log Natural

    说明

    function trader_ln(array $real): array

    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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