[PD] log base 2?

IOhannes m zmoelnig zmoelnig at iem.at
Mon May 23 16:23:20 CEST 2005


Dafydd Hughes wrote:
> Hi Folks
> 
> Sorry to be asking aquestion which I expect could be solved easily if 
> only I remembered more math from high school (I'm working on that...)

a really good ressource for maths is:
http://mathworld.wolfram.com

while they cover a lot oh highlevel maths, you will also get 
explanations for simpler problems

> 
> The log object in pd seems to only give the natural logarithm, but I 
> desperately need the base 2 logarithm.  Is there an object I don't know 
> about or a way of translating from one to the other?


log_a (x) = log_b (x) / log_b (a)

in your case:

ld(x) = ln(x)/ln(2)



mfg.asd.r
IOhannes




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