On 2/8/07, Luis Finotti <[EMAIL PROTECTED]> wrote:
> Thanks! I could not find that in the Reference Manual...
>
> On the other hand, it seems that Sage (or Python) does not handle
> equality of reals very well:
Hi,
this is most likey due to rounding errors. The equality holds for fractions:
{{{
sage: 1/2==1/2
True
sage: 1/2==1/2+1-1
True
}}}
But note that rearranging your equation, we can still get equality:
{{{
sage: sqrt (2) - sqrt(2) + 1 - 1 ==0
True
}}}
Hope that helps.
didier
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