February 26th, 2012, 07:27 AM  #11 
Newbie Joined: Feb 2012 Posts: 12 Thanks: 0  PERMUTATION
CRGeathouse HI I hope you are good, so I guess we have two different results, my permutation result of 4661 is 7,3,6,1,5,2,4 So now I really don't how it comes I have figure it out by Notepad ++... And thank you for trying... So I guess I need a formula for this one, but however I have send an e  mail to my teacher 2 weeks ago for the formula and I have no answer from him, I guess I have to do it somehow... once again thank you. 
February 26th, 2012, 08:33 AM  #12 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: PERMUTATION
There are different ways to order the permutations  I suppose ways in all for 7 things. PARI/GP uses one standard system but I guess your teacher wants another.

February 26th, 2012, 10:25 AM  #13 
Newbie Joined: Feb 2012 Posts: 12 Thanks: 0  PERMUTATION
CRGreathouse: here is how it looks in the Notepad ++, and here I have found the permutation calc... online http://www.mathsisfun.com/combinatorics ... lator.html Now I hope you know what kind of formula i'm looking for! 
February 26th, 2012, 02:36 PM  #14 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: PERMUTATION
Feel free to play with the GP function I indicated to see if you can find how the two are related. I don't have time at the moment.

March 6th, 2012, 04:01 AM  #15 
Newbie Joined: Feb 2012 Posts: 12 Thanks: 0  PERMUTATION
Hello again to everyone who needs the solution for this exam... I have found the solution of the Permutation, and i'll post it as soon as I finish my job... thank you to everyone who tried to help me .... 
March 12th, 2012, 05:03 AM  #16 
Newbie Joined: Feb 2012 Posts: 12 Thanks: 0  Re: PERMUTATION
This is the solved Permutation I was looking for and I guess it will help you guys... thank you again... 

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