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From: Axel Kohlmeyer (akohlmey_at_gmail.com)
Date: Mon Feb 06 2012 - 11:46:43 CST

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On Mon, Feb 6, 2012 at 11:50 AM, Ban Arn <ban.arn_at_gmail.com> wrote:
> Dear VMD Users
>
> I'm using following script
>
> foreach l [array names f] {
>    set w($l) {}
>    set fsum 0
>    foreach ftemp $f($l) {
>        set fsum [expr $fsum + $ftemp * $v * $dt]
>        lappend w($l) $fsum
>    }
> }
>
> for the calculation of work done for 10 simulations.
>
> While running the script it shows error as "missing operand at _@_
> in expression "0.25771 +  _@_* 1 * 1"
>
> I'm not a tcl expert. Kinldy advice.

...and we don't know what you have in your "f" array.
apparently no numbers.

axel.

>
> Many Thanks
> Balaji
>
>

-- 
Dr. Axel Kohlmeyer
akohlmey_at_gmail.com  http://goo.gl/1wk0
College of Science and Technology
Temple University, Philadelphia PA, USA.

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