Re: Computing subsets from a set? Programming Software Development by notagoodchoice …/timeit.html"]timeit[/URL]): [code=python] def subsets_i(s): subsets = [] n_elems = len(s) n_subsets = 2**len(s)… & 1): sub.append(s[j]) subsets.append(sub) return subsets [/code] The idea here is that a set… with n elements has n^2 subsets and that each subset #i with i = 0 … Computing subsets from a set? Programming Software Development by OLer94 …result' which would be a list of all computed subsets of 's'. I wrote the following code but…of errors. What am I missing here? [code] def subsets(s): result = [set()] for xi in s: newsubsets…=[] for subset in result: newsubsets.copy(subsets) newsubsets.add(xi) newsubsets.append(newsubsets) result.extend(… Re: Computing subsets from a set? Programming Software Development by jrcagle … by this line: [code="Python"] newsubsets.copy(subsets) [/code] Did you intend for newsubsets to become a… copy of subsets? If so, then you want [code="Python"…;] newsubsets = subsets[:] [/code] But I question the wisdom of clobbering newsubsets … Re: Computing subsets from a set? Programming Software Development by OLer94 …by this line: [code="Python"] newsubsets.copy(subsets) [/code] Did you intend for newsubsets to become a… copy of subsets? If so, then you want [code="Python"…;] newsubsets = subsets[:] [/code][/QUOTE] Yes, that way I can keep adding… Re: Computing subsets from a set? Programming Software Development by jrcagle … forget [] and [1,2,3], which are also subsets of b. P(b) = subsets(b) should have 2^len(b) elements. Here…, then P(b) = []. else: #b is not empty form all subsets x of size len(b)-1. Then P(b) = the… Re: Computing subsets from a set? Programming Software Development by jrcagle …thinking clearly at the moment: [code="Python"] def subsets(x): if x == []: return [[]] else: s = …in x: tmp = x[:] tmp.remove(elem) new_sub = subsets(tmp) for y in new_sub: # <-- can't …>>> s = [1,2,3] >>> subsets(s) [[1, 2, 3], [2, 3], [3], [], … Re: Computing subsets from a set? Programming Software Development by OLer94 …,2,3,3,3,4,4,7,5,8]) def subsets(s): result = [set()] for xi in s: finalsubsets=[] for subset…() newsubset.add(xi) finalsubsets.append(newsubset) return result print result subsets(p) [set([]), 1, 2, 3, 4, 5, 7, 8][/code… How to create subsets of a set...plz help..need it urgently Programming Software Development by anku83 … greater than given minimum support..If true then generate its subsets. If row 1 i.e 11110011 wight>min_sup then… generate subsets....if not then jump to next row here 1 represents… row one has 1,2,3,4,9,12 so subsets i need is {1,2,3},{1,3,4},{1… Re: Find all subsets of a given set - Optimization? Programming Software Development by ArkM … one long long int 64-bit word. That's ALL subsets generator ;) : [code=c++] long long unsigned n = (N < 1… elements } // long unsigned is a good type too (2^32 subsets) [/code] Supersonic code ;)... Re: Computing subsets from a set? Programming Software Development by notagoodchoice [QUOTE=notagoodchoice;871949] The idea here is that a set with n elements has n^2 subsets and that each subset #i with i = 0 .. (n^2 - 1) is described by the binary representation of the number i : [/QUOTE] .. oops, it's [B]2^n[/B] and not n^2. Find all subsets of a given set - Optimization? Programming Software Development by mrboolf … the original set and make it possible to generate all subsets. Right now I'm focusing on the "generate all… subsets" part. I've done a little searching and I … Re: Find all subsets of a given set - Optimization? Programming Software Development by ArkM …'s the answer to your doubts: you may enumerate all subsets for cardinality > 32 but you can't ;) do that… above... However if you need to fix/process large set subsets (not for absurd enumeration, of course), arbitrary size bitvectors are… Re: How to create subsets of a set...plz help..need it urgently Programming Software Development by anku83 … to check for each row: if(no_of_times_rows_repeated>minimum_support) generate subsets for items which has 1 uder it... example:if(no_of_times_rows_repeated… Re: Find all subsets of a given set - Optimization? Programming Software Development by ArkM 1. Try to profile subset generator without any printing. There are ~1 million subsets (2^20) for N==20. To print 1 million lines... The program PRINTS all the time. 2. NextSubset code is obviously wrong: [icode]while(!Bitmask[i]&&i>=0)[/icode] refers to Bitmask[-1] at the last loop. Present all class Subset definition. Re: Find all subsets of a given set - Optimization? Programming Software Development by mrboolf … was, given that my first bitmask-array method generated the subsets from { Whole Set } to { }, to use it in combination with… sum of subsets Programming Computer Science by nurav can anyone plz help me find the variable size solution for sum of subsets problem using backtracking Re: sum of subsets Programming Computer Science by nurav … we consider a set of numbers(weights)....the number of subsets whose sums are m have to be found out. For… writing all of the subsets of a set Programming Software Development by kshahnazari …,5} but it could be everything possible and there are subsets like b={1} c{1,2} d{1,2,4… Re: writing all of the subsets of a set Programming Software Development by kshahnazari … couted , but it still isnt the best way cause many subsets will be couted more than once , can Anyone help with… Re: writing all of the subsets of a set Programming Software Development by np complete @ kshahnazari First thing : Give n elements set, how will you find out total number of subsets in it ? Main Function Print out Programming Computer Science by Sherwin_4 … parent of i (path compression) if (subsets[i].parent != i) subsets[i].parent = find(subsets, subsets[i].parent); return subsets[i].parent; } /////////////////////////////////////////////////////////////////////// // A function that… subset sum Programming Software Development by geegoo! … ve encountered a problem that requires to find all the subsets of a set of intergers that gives a required sum… know how to do it exactly.. 2) the no. of subsets is equal to 2^n, while n is the no…. of elements entered by the user.(maximum no. of subsets is 2^20) 3) the no . of each subset is… looking for detailed version of traveling salesman problem Programming Software Development by conan19870619 … from 1 to n and its columns indexed by all subsets of V − {v1}. P [i] [A] is the index of…]; for (k = 1; k <= n - 2; k++) for (all subsets A ⊆ V - {v1} containing k vertices) for (i such that… working. specially the part of using A to express the subsets and put it into D[i][A]. it's been… Re: looking for detailed version of traveling salesman problem Programming Software Development by conan19870619 [QUOTE]specially the part of using A to express the subsets and put it into D[i][A]. [/QUOTE] want a hint to make this happen. Problem with binary tree program Programming Software Development by rsk8332 … p and then divide the objects into roughly equal-sized subsets S1 and S2 as follows: S1={o ε S \{p}|d… node, with the left and right subtrees corresponding to the subsets inside and outside the corresponding ball,respectively. Below I give… Please help Programming Software Development by kentaki …-) You are asked to write a program which can generate subsets of X with specific number of elements. your program's… elements for subset generation : 9 (for example you entered 9 ) SUBSETS WITH 9 ELEMENTS ----------------------------------- 23 13 25 43 45 26 10… glibc detected error - help wanted Programming Software Development by tararengan …) { mid = (right + left) / 2; //recursive call to sort two contiguous subsets m_sort(numbers, fn_ptr, left, mid); m_sort(numbers, fn_ptr+mid-left…+1, (mid+1), right); //merge sorted subsets merge(numbers, fn_ptr, fn_ptr+mid-left+1, left, (mid+1… Challenge: Partitioning a set of integers Programming Software Development by dusktreader … integers, find all possible partitions of S into M disjoint subsets of consecutive integers such that S is covered its… subsets[/icode] for example: if N=7, M=4, and S=[… Re: Challenge: Partitioning a set of integers Programming Software Development by NathanOliver …; cout << "This program will find all possible subsets of consecutive numbers"; cout << "\nfor a…; setSize; cout << "Please enter the number of subsets: "; cin >> numberOfSets; cin.get(); _ftime(&start… Re: Challenge: Partitioning a set of integers Programming Software Development by dusktreader … particular partitioning. The following range has been partitioned into 3 subsets, and the dividers are at index 1 and 4: [icode… a simple matter to next interpret the division indices as subsets of integers. Here is my exact implementation of the algorithm…