In Scheme language, if you want to use a variable, you should define it at first.
(define time-step-dt 0.01) and something about 'time-step-dt' you want to do with. ======= 2006-12-16 18:03:48 您在来信中写道：======= >Hi all meep fans, > >i'm a [EMAIL PROTECTED] in using Meep with the interface of libctl, but >apparently, i could not understand what's going on with this trivail >assignment in interactive meep mode as follows: > >meep> (set! time-step-dt 0.01) > >Backtrace: >In current input: > 4: 0* (set! time-step-dt 0.01) > ><unnamed port>:4:1: In expression (set! time-step-dt 0.01): ><unnamed port>:4:1: Unbound variable: time-step-dt >ABORT: (unbound-variable) > >How do i solve this trivial problem, i'd be very appreciated with >anyone who can give me some hint? > >i'm compiling meep in Ubuntu for my linux box. > > >-- >Best Regards, >---------------------------------------- >[EMAIL PROTECTED] > >_______________________________________________ >meep-discuss mailing list >[email protected] >http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss > > = = = = = = = = = = = = = = = = = = = = 致 礼！ 李政 [EMAIL PROTECTED] 2006-12-17
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