[Pw_forum] a small problem

[Paolo Giannozzi]

On Saturday 27 December 2003 07:51, 贺伟 wrote:

> When I run pw.x to make a relax calculation, in the fourth step 
> of geometry relaxation, there is an error message [...]
>      from linmin : [...] unexpected error
> Would somebody tell me  the possible  reason for this error?

it is explained in the"Troubleshooting" section of the manual.
Currently there is some ongoing work aimed at producing a 
more robust geometry optimizer.

Paolo

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