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Questions - intersection

Intersection between a uniform grid and a non uniform grid

I have two grids - one is uniform and another is not. I am trying to efficiently compute the intersection between the two grids, all the intersection between every pair of cells in the uniform grid an...
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Joshhh

python

numpy

intersection

Votes: 0

Answers: 0

Solving intersection point of two circles using sympy in python

I'm trying to find the intersection point of two functions, which are in this case circle1 and circle2 with a radius of r. When I try to find the intersection point, it takes Sympy forever to calculat...
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Mudimans

python

math

sympy

intersection

Votes: 0

Answers: 2

Latest Answer

To test whether (x1,y1) is the same point as (x2,y2), Eq((x1-x2)+(y1-y2),0)doesn't do the job. You need both Eq(x1,x2) and Eq(y1,y2). (Note that you shouldn't make r a symbolic variable, as you assig...
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JohanC

Intersection of SQL statements efficiently

I'm trying to solve a SQL problem where I need to select the data in a certain intersection. This is more or less my query: SELECT id FROM some_table WHERE id IN (SELECT id FROM other_table WHERE _id=...
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Antonio Gamiz Delgado

sql

postgresql

intersection

postgresql-performance

Votes: 0

Answers: 1

Latest Answer

I'm still unclear on what you're after w/o sample data expected results: but would either of these options work? inner join ... SELECT id FROM some_table A INNER JOIN (SELECT id FROM other_table WHER...
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xQbert

How to use set.intersection in an if-statement?

I want to check if multiple strings are within a larger string called "str_a". The following is what I currently have and it works. animals = {"giraffe", "tiger"} str_a =...
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user12441225

python

string

if-statement

set

intersection

Votes: 0

Answers: 3

Latest Answer

To turn a string into a set of words, use .split(): >>> set(str_a.split()) {'giraffe', 'A', 'taller', 'tiger.', 'is', 'than', 'a'} You can now do a set intersection: >>> set(str_a.s...
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dawg

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