Hi Lin Xiao, At the command line, you must type only:
optical without the <e2.dat the < operator has the effect of pasting the file into the standard input stream of the program. This is where you were supposed to type in the "1". Now, optical will ask the question: > Do you want to include a Drude term? > This is typically needed for metals > if yes: enter 1, if no: enter 0 and you may enter 1. Cheers, Marty On 12 January 2011 21:52, lin xiao <[email protected]> wrote: > Dears, > I'm using the optical model of siesta to calculate graphene.Here is a > question: > [guozhendong@yangxu-433 20110112-2]$ /opt/siesta-3.0-rc2/bin/optical > <e2.dat > Do you want to include a Drude term? > This is typically needed for metals > if yes: enter 1, if no: enter 0 > [guozhendong@yangxu-433 20110112-2]$ > Then whatever i enter,for instance 1 ,the system answer is: > 1: Command not found. > What should i do if i want to include the Drude term? > Thx! > >
