MATLAB: Does Matlab use ‘log’ instead of ‘ln’

matlab function

Okay, I understand that the function for natural logarithm is "log()" and the function for base 10 logarithm is "log10". However, has anyone ever explained why this is the case? I could understand if "ln()" already existed, but it isn't used for anything! I have heard of so many examples of people getting confused or messing up their code because they used "log" instead of "log10", and I just don't understand why Matlab would make it so confusing.

Best Answer

Probably because most other languages follow that same naming convention. Not sure why, just historical I guess.

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List of all log functions:

http://www.mathworks.com/help/matlab/exponents-and-logarithms.html

log   Natural logarithm
log10   Common (base 10) logarithm
log1p   Compute log(1+x) accurately for small values of x
log2   Base 2 logarithm and dissect floating-point numbers into exponent and mantissa

You can always define your own

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