[scilab-Users] mismatch in calculation with scilab version 5.3.3 on ubuntu 12.04

[Manjusha Joshi]

On Wed, May 9, 2012 at 2:28 AM, Samuel Gougeon <sgougeon at free.fr> wrote:

> Hello,
>
> This result is correct. The following thread in Bugzilla may
> interest you:
>


> Here,
> -->%eps^(1/4)
>  ans  =
>    0.0001221
> is of the order of shifts reported in your message.
>
> How ever some of the machines showing roots 1 1 1 1
and some are not. How both answers can be correct?

>
>
> Le 08/05/2012 20:26, Manjusha Joshi a écrit :
>
>  Hello,
>>
>> Here is the code which is showing unexpected  results.
>> I started with vector v.
>>
>> -->v=[1,1,1,1]
>>  v  =
>>
>>    1.    1.    1.    1.
>>
>> //Defined poly with roots as v
>> -->p=poly(v,'s')
>>  p  =
>>
>>               2    3   4
>>    1 - 4s + 6s - 4s + s
>>
>> -->roots(p)
>>  ans  =
>>
>>    1.0001886
>>    1.0000000 + 0.0001886i
>>    1.0000000 - 0.0001886i
>>    0.9998114
>>  //roots of polynomial should be all 1, how ever, answer is different
>> with scilab 5.3.3 on ubuntu 12.04 computers. At least 6 machines giving
>> this  different answer. On the other hand scilab 5.3. giving correct answer.
>>
>> Can any one put light on how to interpret it correctly or explain  any
>> other reason behind this?
>>
>> Regards,
>>
>> --
>> Manjusha S. Joshi
>> Pune, India
>> blog:http://manjushajoshi.**wordpress.com/<http://manjushajoshi.wordpress.com/>
>>
>>
>>
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-- 
Manjusha S. Joshi
Mobile:  09822 319328
Pune, India
blog:http://manjushajoshi.wordpress.com/
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