[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: log to arbitrary base
|
From: |
Carlo De Falco |
|
Subject: |
Re: log to arbitrary base |
|
Date: |
Tue, 18 Aug 2015 11:14:12 +0000 |
On 18 Aug 2015, at 00:23, Eric Smith <address@hidden> wrote:
> Hi
>
> Both qalc (1) and Matlab have a log function like;
> log(125, 5) = 3
>
> How do I find the log to base n with Octave?
>
> Eric
To find the logarithm to base 5 you can just do:
>> log (125) / log (5)
ans = 3.0000
Are you sure the two arguments version of 'log' works in Matlab?
The online documentation doesn't seem to say so:
http://it.mathworks.com/help/matlab/ref/log.html
c.