set-theory

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Combining NSArrays Through Intersection and Union

I have two NSArrays A and B that share some common elements, e.g. A: 1,2,3,4,5 B: 4,5,6,7 I would like to create a new NSArray consisting of the contents common between the two NSArrays joined wit[详细]

2023-04-09 11:47 分类：问答
Deterministic Finite-state Automaton Questions

I have this DFA described as (Q, q1, A, N, F) where Q = {1,2,3,4}, q1 = 1, A = {a,b,c}, F = {2,4}, N = { (1,a) -> 2, (1,b) -> 3, (1,c) -> 4,[详细]

2023-04-06 11:41 分类：问答
Concatenate an ISet using Aggregate

I am trying to use Concat() on multiple ISets to make one larger ISet. So I tried the following piece of code:[详细]

2023-03-25 07:54 分类：问答
Constructing a Follow Set

While creating a first set for a given grammar, I noticed a scenario not described in my reference for the algorithm.[详细]

2023-03-01 02:32 分类：问答
Is there a way to remove the nested query in this type of SQL SELECT?

Given this table structure and example data (t3 should not be used in the query, it is only here to show the relation between t1 and t2):[详细]

2023-02-20 21:59 分类：问答
Good free resources for learning set theory [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-02-10 13:53 分类：问答
Parent Child Relationships with Fluent NHibernate?

I would like to create a cascading tree/list of N number of children for a given parent, where a child can also become a parent.[详细]

2023-01-31 06:48 分类：问答
Is there any software that takes set builder notations and returns roster notations? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-01-30 16:00 分类：问答
Finding overlapping sets

I\'m writing a Digital Fountain system in C#. Part of this system creates me sets of integer开发者_高级运维s, I need to find the combinations of sets which create can leave me with a set of just one i[详细]

2023-01-18 11:56 分类：问答
Why does L2E choke when I try to use an interface in my Where clause?

I have a LINQ to Entities query (using EF 4) that has some pretty complicated set-based filtering going on. The code compiles just fine, but when I try to run it, I get the following error:[详细]

2023-01-12 12:16 分类：问答