But the log() function works on a finite field too. So its not correct if a
i use the log on finite fields?

I wan to calculate log(\theta+i,\theta) for i in a finte field and theta a
primtive element


2014-05-04 6:07 GMT-05:00 John Cremona <john.crem...@gmail.com>:

> log() is a function you would apply to numbers, say real or complex:
>
> sage: a = RealField(100)(2)
> sage: a.log()
> 0.69314718055994530941723212146
>
> while discrete_log() is something to do in a finite cyclic group.  For
> example:
>
> sage: F = FiniteField(101)
> sage: a = F(2)
> sage: b = a^67
> sage: discrete_log(b,a)
> 67
>
> John
>
> On 4 May 2014 02:17, Jan Medina <janmedin...@gmail.com> wrote:
> > Hi everybody.
> >
> > I want to know what algorithm are implemented for calculate log() and
> > discrete log(). and what are the differences?
> >
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