[Pw_forum] from invmat : error #1 singular matrix

[Lorenzo Paulatto]

Replying to message "Re: [Pw_forum] from  invmat  : error #1 singular  
matrix" from Paolo Giannozzi (30/11/09):
> - specify lattice vectors and lattice parameter (ibrav=0 +
>    celldm(1), or else a + CELL card); the lattice vectors are
>    in units of the lattice parameter

Oh, yes, I'm sorry. I missed the CELL card at the end of the input and  
assumed it was not specified. Well, so I'm at loss on the possible cause  
of the problem...

cheers

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Lorenzo Paulatto
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