Re: pick out an element from list
- To: mathgroup at smc.vnet.net
- Subject: [mg98085] Re: [mg98011] pick out an element from list
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Sun, 29 Mar 2009 02:49:21 -0500 (EST)
- Reply-to: hanlonr at cox.net
list = {a, b, c, d}; n = 1; Drop[list - #, {n++}] & /@ list {{b - a, c - a, d - a}, {a - b, c - b, d - b}, {a - c, b - c, d - c}, {a - d, b - d, c - d}} Bob Hanlon On Sat, Mar 28, 2009 at 8:51 AM , bahadir wrote: > i have a list with n element.i want to pick out an element from the > list, and to deduct the element from all the other residual elements. > This process is the first step. i must apply all elements of the list, > invariably. Namely, in conclusion, i will obtain n list with n-1 > elements. now, i will try to explain as numerically. let element > number of the list be 2500. and i am picking out the first element of > the list. and i'm deducting the first element from the residual > elements of the list. and now, i have a list with 2499 elements.after > that, i'm passing the second element, and i'm applying the same > processes. =EF=BF=BD=EF=BF=BD can't do this, can anyone help me???