Re: transforming a rule of lists to a list of rules

*To*: mathgroup at smc.vnet.net*Subject*: [mg69146] Re: [mg69098] transforming a rule of lists to a list of rules*From*: János <janos.lobb at yale.edu>*Date*: Thu, 31 Aug 2006 04:38:58 -0400 (EDT)*References*: <200608301032.GAA27888@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

On Aug 30, 2006, at 6:32 AM, Ken Senior wrote: > Hello everyone. > > Does anyone know a way to transform a rule involving a list into a > list > of individual rules, that is to interpret the rule elementwise? For > example, given > > {a,b,c} -> {0,3,x} > > is there a transformation which will turn this into > > {a->0, b->3, c->x} > > Thanks for the help! > > Ken Here is a newbie approach: In[1]:= rl = {a, b, c} -> {x, y, z} Out[1]= {a, b, c} -> {x, y, z} In[2]:= Table[rl[[1,i]] -> rl[[2,i]], {i, 1, Length[rl[[1]]]}] Out[2]= {a -> x, b -> y, c -> z} With the best, János ---------------------------------------------- Trying to argue with a politician is like lifting up the head of a corpse. (S. Lem: His Master Voice)

**References**:**transforming a rule of lists to a list of rules***From:*Ken Senior <Ken.Senior@nrl.navy.mil>