Natural logarithm - MATLAB log

This MATLAB function returns the natural logarithm ln of each element in array X

First, the “log” part of the function is simply three letters that are used to denote the fact that we are dealing with a logarithm They are

logarithm Common Logarithms: Base 10 This usually means that the base is really 10 log It is called a common logarithm Engineers love to use it On a calculator it

logarithm The product rule: log b ⁡ = log b ⁡ + log b ⁡ ‍ This property says that the logarithm of a product is the sum of the logs of its factors