Top "Intersection" questions

Intersection is a term that relates to descriptive geometry and functions.

Removing duplicates in the lists

Pretty much I need to write a program that checks if a list has any duplicates and if it does …

python algorithm list duplicates intersection
Find intersection of two nested lists?

I know how to get an intersection of two flat lists: b1 = [1,2,3,4,5,9,11,15] b2 = [4,5,6,7,8] b3 = [val for val in b1 if …

python list intersection
Simplest code for array intersection in javascript

What's the simplest, library-free code for implementing array intersections in javascript? I want to write intersection([1,2,3], [2,3,4,5]) and get [2, 3]

javascript data-structures intersection
Intersection and union of ArrayLists in Java

Are there any methods to do so? I was looking but couldn't find any. Another question: I need these methods …

java list union intersection
How to find list intersection?

a = [1,2,3,4,5] b = [1,3,5,6] c = a and b print c actual output: [1,3,5,6] expected output: [1,3,5] How can we achieve a boolean AND operation (…

python arrays intersection
How to calculate the intersection of two sets?

Possible Duplicate: Efficiently finding the intersection of a variable number of sets of strings Say, have two Hashset, how to …

java set intersection hashset
Intersect Two Lists in C#

I have two lists: List<int> data1 = new List<int> {1,2,3,4,5}; List<string> data2 = new …

c# intersection
How can I get the intersection, union, and subset of arrays in Ruby?

I want to create different methods for a class called Multiset. I have all the required methods, but I'm unsure …

ruby union intersection subset
Python set Union and set Intersection operate differently?

I'm doing some set operations in Python, and I noticed something odd.. >> set([1,2,3]) | set([2,3,4]) set([1, 2, 3, 4]) >> set().…

python set union intersection
Finding the intersection between two series in Pandas

I have two series s1 and s2 in pandas and want to compute the intersection i.e. where all of …

python pandas series intersection