thank you john,
it's early morning in australia
and I just woke up realising
i had forgotten that what i am entering into my notebook is python
not mysterious sagese configuration script
I think I need to go do some python tutorials, what you've said makes
perfect sense, and is exactly the behaviour I would have expected,
except that in the example:
x = var('x')
def splitAgain(n):
if n < 2:
return n
else:
return 2-n
plot(splitAgain(x),0,4)
the evaluation of splitAgain(x) passed to plot(),
is neither a reference to splitAgain,
or an evaluation of splitAgain(x) for some value of x,
but 2-x, as this draws 2-x
this is a behaviour pattern I haven't encountered before, I am a bit
mystified by it and would like to understand it, is this a python
feature to do with : x = var('x') , or is something specifically to do
with plot()?
cheers
and thanks for the help
mathew
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