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reallog

Natural logarithm for nonnegative real arrays

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Syntax

Y = reallog(X)

Description

Y = reallog(X)returns the natural logarithm of each element in arrayX。数组Xmust contain only nonnegative real numbers. The size ofYis the same as the size ofX。

Examples

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Open Live Script

Create a 4-by-4 matrix and compute the natural log of each element.

X = magic(4)
X =16 2 3 13 5 11 10 8 9 7 6 12 4 14 15 1
Y = reallog(X)
Y =2.7726 0.6931 1.0986 2.5649 1.6094 2.3979 2.3026 2.0794 2.1972 1.9459 1.7918 2.4849 1.3863 2.6391 2.7081 0

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using MATLAB® Coder™.

See Also

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Introduced before R2006a

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