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    Computes the natural logarithm of the input elements.

    The natural logarithm of zero is -inf.

    Syntax

    c = log(a)

    Inputs

    a

    Scalar or array of any dimension of floating point or complex numbers.

    Outputs

    c

    Natural logarithm of the elements in a. c returns complex numbers for negative or complex elements in a. c is an array of the same size as a.