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About 337 results for
subsets
- Page 1
Re: Computing subsets from a set?
Programming
Software Development
14 Years Ago
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
16 Years Ago
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
16 Years Ago
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
16 Years Ago
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
16 Years Ago
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
16 Years Ago
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
16 Years Ago
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
10 Years Ago
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
15 Years Ago
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
14 Years Ago
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
15 Years Ago
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
15 Years Ago
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
10 Years Ago
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
15 Years Ago
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
15 Years Ago
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
16 Years Ago
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
16 Years Ago
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
11 Years Ago
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
11 Years Ago
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
11 Years Ago
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
7 Years Ago
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
19 Years Ago
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
16 Years Ago
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
16 Years Ago
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
15 Years Ago
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
15 Years Ago
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
14 Years Ago
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
13 Years Ago
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
13 Years Ago
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
13 Years Ago
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…
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