## µ Natural log

One-argument form See also two-argument form Log to the base

Finds the natural logarithm, that is the log to the base e, of the number or numbers in the right-hand argument (e is approximately 2.7182). The numbers must be positive.

                 µ 10                    (Finds the log to base e of 10)
           2.302585093
                 µ 3 9 18                (Finds the log to base e of 3 9 and 18)
           1.098612289 2.197224577 2.890371758
                 µ 3.3                   (Finds the log to base e of 3.3)
           1.193922468
                 µ(2 2½¼4) (¼3)
                0                 0.6931471806     0 0.6931471806 1.098612289
                1.098612289       1.386294361

Topic: APLX Help : Help on APL language : APL Primitives : µ Natural log

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