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Re: variability in a test for eigs.cc
From: |
Ben Abbott |
Subject: |
Re: variability in a test for eigs.cc |
Date: |
Sun, 28 Mar 2010 15:42:29 -0400 |
On Mar 28, 2010, at 2:16 PM, Michael D Godfrey wrote:
> On 03/27/2010 11:05 AM, Ben Abbott wrote:
>> The result was ...
>>
>> ans =
>>
>> 773.00000 -14.58678
>> 154.00000 -13.80886
>> 28.00000 -13.03095
>> 9.00000 -12.25304
>> 10.00000 -11.47512
>> 10.00000 -10.69721
>> 9.00000 -9.91930
>> 6.00000 -9.14138
>> 0.00000 -8.36347
>> 1.00000 -7.58556
>>
>>
> I got:
> ans =
>
> 756.0000 -14.5955
> 169.0000 -13.8553
> 19.0000 -13.1152
> 16.0000 -12.3750
> 12.0000 -11.6348
> 9.0000 -10.8947
> 7.0000 -10.1545
> 8.0000 -9.4143
> 2.0000 -8.6742
> 2.0000 -7.9340
>
> On an x64 Linux fc12 system. Essentially the same as what you got.
>
Thanks. Perhaps the right thing to do is to loop through the test 3 times and
check that at least one result is less than 1e-11.
If there is no objection, I'll try to push that change later today.
Ben
Re: variability in a test for eigs.cc, Ben Abbott, 2010/03/30