On Feb 26, 2009, at 12:22 PM, YannLC wrote:
> Hi,
> am I doing something wrong here?
> If not, this is a bug...
>
> sage: f=function('f',x)
> sage: f
> f(x)
> sage: g(f,x)=f(x+1)
> sage: g
> (f, x) |--> x + 1
When one writes g(f, x) it creates two variables f and x, and your
original f is gone. I'm not sure what the best fix is here... There
is also the counter-intuitive
sage: f = var('f')
sage: f(3)
3
- Robert
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