On Jul 18, Michael Beeson wrote:
sage: n(log(2,408/370))
7.08999206263157
sage: log(2,2)
1
sage: 2^7
128
sage: n(log(2,408.0/370))
7.08999206263157
sage: version()
'SageMath version 8.7, Release Date: 2019-03-23'
sage: n(log(2,1.001))
693.493696416899
sage:log(2,1) gives an error instead of 0.
sage: log?
Signature: log(*args, **kwds)
Docstring:
Return the logarithm of the first argument to the base of the
second argument which if missing defaults to "e".
It calls the "log" method of the first argument when computing the
logarithm, thus allowing the use of logarithm on any object
containing a "log" method. In other words, "log" works on more than
just real numbers.
So it should be
sage:
sage: log(1,2)
0
Which works fine.
Also on my Sage 9.2.beta2
sage: log(2,1)
Infinity
Cheers,
R.
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