that's why there's robots. Who needs human lathe workers anymore :) j/k
On Fri, Jun 20, 2008 at 12:36 PM, Jason Morris <[EMAIL PROTECTED]> wrote: > Problems of this type usually have the added wrinkle that the production > capacities of the lathes are different or the skill of the workers is > different, and you have to choose which machines to operate and for how long > and / or which workers to assign to which machines. > > All in all, I was pretty happy with my solution :-) > > On Fri, Jun 20, 2008 at 8:55 AM, Peter Lin <[EMAIL PROTECTED]> wrote: >> >> the solution looks pretty pretty straight forward. it could probably >> be generalized to allow for n number of lathes. >> >> peter >> >> On Fri, Jun 20, 2008 at 3:02 AM, Jason Morris <[EMAIL PROTECTED]> >> wrote: >> > Hi All, >> > >> > Peter Lin sent me a manual for Xpress-MP (a Fair Isaac product), since >> > we'd >> > been discussing some work in the operations research / optimization >> > domain. >> > >> > >> > In that manual, the first problem that the authors give is the >> > following: >> > >> > The Chess Set Problem >> > ===================== >> > A small joinery makes two different sizes of boxwood chess sets. The >> > small >> > set requires 3 hours of machining on a lathe, and the large set requires >> > 2 >> > hours. There are four lathes with skilled operators who each work a 40 >> > hour >> > week, so we have 160 lathe-hours per week. The small chess set requires >> > 1 kg >> > of boxwood, and the large set requires 3 kg. Unfortunately, boxwood is >> > scarce and only 200 kg per week can be obtained. When sold, each of the >> > large chess sets yields a profit of $20, and one of the small chess set >> > has >> > a profit of $5. >> > >> > Q. How many sets of each kind should be made each week so as to maximize >> > profit. >> > >> > Now, I happen to play chess and I do own an ebony and boxwood chess set, >> > so >> > I couldn't resist trying to solve this problem using rules and Jess. >> > >> > I am posting my solution, but don't peek if you want to try it yourself! >> > :-) >> > >> > I think that it shows how elegant and powerful the Jess language is. >> > >> > Cheers, >> > Jason >> > >> > ----------------------------------------------------------- >> > Morris Technical Solutions LLC >> > [EMAIL PROTECTED] >> > (517) 304-5883 >> > >> >> >> -------------------------------------------------------------------- >> To unsubscribe, send the words 'unsubscribe jess-users [EMAIL PROTECTED]' >> in the BODY of a message to [EMAIL PROTECTED], NOT to the list >> (use your own address!) List problems? Notify [EMAIL PROTECTED] >> -------------------------------------------------------------------- >> > > > > -- > ----------------------------------------------------------- > Jason Morris > Morris Technical Solutions LLC > [EMAIL PROTECTED] > (517) 304-5883 -------------------------------------------------------------------- To unsubscribe, send the words 'unsubscribe jess-users [EMAIL PROTECTED]' in the BODY of a message to [EMAIL PROTECTED], NOT to the list (use your own address!) List problems? Notify [EMAIL PROTECTED] --------------------------------------------------------------------
