Plotting the prime_pi function is really strange. It seems like something needs a little polish:
sage: plot(prime_pi, (5,100))
fails with "TypeError: an integer is required". However,
sage: prime_pi(15.5)
6
works fine. So the plot command seems to be failing for no good reason.
But similar commands work fine:
sage: plot(prime_pi, 5,100)
produces the plot.
I can do "plot(sin, (5,100))" and "plot(sin, 5, 100)" and I get the same
plot. I understand that prime_pi is very different from sine, but IMHO the
user interface for a basic plot should work either way. Does anyone else
agree?
(A participant in our PREP workshop got tripped up by this today.)
Dan
--
--- Dan Drake
----- http://mathsci.kaist.ac.kr/~drake
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