Logarithm base a
From specialfunctionswiki
The logarithm with base $a$, $\log_a$, is defined by $$\log_a(z)=\dfrac{\log(z)}{\log(a)},$$ where $\log$ denotes the logarithm.
Properties
Log base a in terms of logarithm base b
See also
Logarithm
Logarithm (multivalued)
References
- 1964: Milton Abramowitz and Irene A. Stegun: Handbook of mathematical functions ... (previous) ... (next): $4.1.18$