On Mon, Aug 19, 2013 at 6:30 PM, Dima Pasechnik dimp...@gmail.com wrote:
On 2013-08-19, Vincent Knight knigh...@cf.ac.uk wrote:
--001a1133aa8653f2ed04e4510b09
Content-Type: text/plain; charset=ISO-8859-1
Thanks for the answer kcrisman but I'm afraid I'm still not sure I
understand.
If by
On 2013-08-21, Robert Bradshaw rober...@math.washington.edu wrote:
On Mon, Aug 19, 2013 at 6:30 PM, Dima Pasechnik dimp...@gmail.com wrote:
On 2013-08-19, Vincent Knight knigh...@cf.ac.uk wrote:
--001a1133aa8653f2ed04e4510b09
Content-Type: text/plain; charset=ISO-8859-1
Thanks for the answer
Spot on thanks Dima!
limit(1/x,x=0,dir='+')
returns +infinity
Cheers,
Vince
On 20 August 2013 02:30, Dima Pasechnik dimp...@gmail.com wrote:
On 2013-08-19, Vincent Knight knigh...@cf.ac.uk wrote:
--001a1133aa8653f2ed04e4510b09
Content-Type: text/plain; charset=ISO-8859-1
Thanks for
Maxima, from memory supplemented with an experiment with 5.27, has
a) infinity, which is the infinity of the (one-point compactification of
the) complex plane
b) inf, which is the positive one of the two-point compactification of the
reals (plus infinity)
c) minf, which is the negative one of
On Monday, August 19, 2013 1:55:04 PM UTC-4, Vince wrote:
When computing the limit of a function I don't quite seem to be getting
the behaviour that I expected.
---
sage: f(x) = 1 / x
sage: print f.limit(x=0)
sage: print f.limit(x=0, dir='minus')
---
The first limit returns infinity,
Thanks for the answer kcrisman but I'm afraid I'm still not sure I
understand.
If by 'unsigned infinity' you mean that Sage is returning positive infinity
(but assuming that there is no need to return the '+') then I agree but I
also still don't think that this is the required behaviour right?
On 2013-08-19, Vincent Knight knigh...@cf.ac.uk wrote:
--001a1133aa8653f2ed04e4510b09
Content-Type: text/plain; charset=ISO-8859-1
Thanks for the answer kcrisman but I'm afraid I'm still not sure I
understand.
If by 'unsigned infinity' you mean that Sage is returning positive infinity
(but