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From: Merciadri Luca on 4 Aug 2010 11:40
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Joe Horn <joehorn(a)holyjoe.net> writes:

> Merciadri Luca wrote:
>
>> LAGRANGE([[1,5,30][2,10,60]])
>> It will give you a polynomial:
>> - -1E-16 x*x+2x-5E-15
>>
>> (I'm using Engineering mode). Or the polynomial should be 2x,
>> simply. Even with flag 54 set as `tiny element -> 0', the -1E-16 is
>> not considered as equalling 0. Why? Okay for the matrices.
>
> As John suggested, use EXACT MODE. It yields 2*X, as desired.
Ok. Thanks for the trick.

- --
Merciadri Luca
See http://www.student.montefiore.ulg.ac.be/~merciadri/
- --

The teacher has not taught, until the student has learned.
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From: John H Meyers on 4 Aug 2010 18:04
On 8/4/2010 10:40 AM, Merciadri Luca wrote:

> Thanks [to Joe Horn] for the trick [Exact mode]

"CASCFG is your friend" :)

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