Re: How To Change A Rule

*To*: mathgroup at smc.vnet.net*Subject*: [mg32369] Re: [mg32334] How To Change A Rule*From*: jmt <jmt at agat.net>*Date*: Wed, 16 Jan 2002 03:30:49 -0500 (EST)*References*: <200201150730.CAA04564@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Try this : myRules = {s1 -> -11, s2 -> 12} myRules /. Rule[k_, _?(# < 0 &)] -> (k -> 0) On Tuesday 15 January 2002 08:30, Ariel Fligler wrote: > Greetings, > > I'm quite newby to Mathematica programming and will thank you if you could > help me solve the following: > > I have a list of rules of the form: > {s1->-11, s2->12} > And would like to change every rule in the list that it's RHS is negative > to 0 so that I will get: > {s1->0, s2->12} > I tried to find an access function to manipulate rules but could not. > > Any help ? > > TIA, > > Ariel. > > > > > > > > > > > > > > > > > > Thanks, > > Ariel Fligler

**References**:**How To Change A Rule***From:*Ariel Fligler <ariel.fligler@cellpay.biz>