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dkmathstats
STEMGeeks
2y
Stars & Bars Method For Counting Problems [Math]
Showcasing the stars and bars method for counting type problems in math.
$ 1.138
55
3
1
j2e2xae
STEMGeeks
2y
Suma de subconjuntos. Subset sum.⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
Suma de subconjuntos como particiones. Subset sum as partitions. [ ES / EN ]
$ 0.621
32
2
1
drifter1
STEMGeeks
5y
Mathematics - Discrete Mathematics - Combinatorics Topics
[Image 1] Introduction Hey it's a me again @drifter1! Today we continue with Mathematics, and more specifically the branch of "Discrete Mathematics", in order to get into Combinatorics Topics.
drifter1
STEMGeeks
5y
Mathematics - Discrete Mathematics - Combinations and Permutations
[Image 1] Introduction Hey it's a me again @drifter1! Today we continue with Mathematics, and more specifically the branch of "Discrete Mathematics", in order to get into Combinations and
wiseagent
Scrobble.life
1d
Promoted
Why is “Anniversary” one of the most terrifying movies of this year?
This publication was also writen in SPANISH and PORTUGUESE. Prime Video When we think about horror movies, it is quite common for us to make an almost automatic connection between villains and serial killers,
drifter1
STEMGeeks
5y
Mathematics - Discrete Mathematics - Combinatorial Principles
[Image 1] Introduction Hey it's a me again @drifter1! Today we continue with Mathematics, and more specifically the branch of "Discrete Mathematics", in order to get into Combinatorial Principles.
savvyplayer
DBuzz
5y
Math mini-contest problem on D.Buzz for July 2021 [Day 1 - Problem B] 😎
Win 1 HIVE for correctly answering first!
markgritter
steemstem
8y
Partitioning a set into lists
The Bell numbers count how many ways there are to partition N elements into sets. What if we want to partition the elements into ordered groups instead, as this Quora question asks? For example, {a,b}
zipity
mathematics
8y
the Dehn–Sommerville equations
Thanks to a video I saw on Youtube, I know now a way to prove both the relations I used in this post. First a few notations: Given a closed simply connected (without holes) domain on the plane, let B >
chaosmagic23
Bitcoin Backed Hive
1d
Published via Ecency
Promoted
Burn Baby Burn 🔥 | Every Vote Fuels This Hive Burn
Burn baby burn! 🔥 Every vote adds to this post’s author rewards, which go 100% to @null and are removed from circulation. Vote to fuel the Hive burn!
markgritter
steemstem
8y
Counting the Number of 2-State 2-Dimensional Symmetric Cellular Automata
Suppose we have a two-state cellular automaton using the Moore neighborhood, which counts both orthogonal and diagonal neighbors. How many possible rules are there? With 9 cells total (including the center
markgritter
python
8y
Plotting all integer lattice paths from (0,0) to (3,5)
If you start at (0,0) and can take one step at a time either north (0,+1) or east (+1,0), how many different ways are there to get to (3,5)? I wanted to augment this answer on Quora with a visual
markgritter
mathematics
8y
How many 3-clubs can a graph have?
A K-club on a graph is a subset of the vertices such that the diameter of the induced subgraph is less than or equal to K. "Induced subgraph" just means "pick all the edges which both endpoints
markgritter
stemq
8y
How many "incomplete open hypercubes" are there in four dimensions?
Sol LeWitt's artwork "Incomplete Open Cubes" enumerates all distinct connected sets of edges of the cube which do not collapse into a smaller dimension (a figure that lies in the plane, or a
daviduman
Indiaunited
6d
Published via Ecency
Promoted
VICTORY IS A CHOICE
Nobody told me this on time. Yes. I used to think victory was for lucky people. The ones born into rich homes. The ones with fine grades. The ones with connections. I thought one day, victory would just
markgritter
programming
8y
Discard Trees: a data structure for finding nonintersecting combinations
A "discard tree" is a data structure I invented that is keyed by bitvectors representing K-combinations. It permits us to efficiently find all bitvectors that do not intersect with the search
markgritter
mathematics
8y
Minimal covering combination sets
In abstract terms: Given an N-element set, how many L-element subsets do we need so that every K-element subset is a superset of one of the L-element subsets? Let's express this by saying that the family
markgritter
poker
8y
Counting Outs in Lowball
A key feature of lowball games such as Razz or Deuce-to-Seven Triple Draw is that all players are competing to make hands using the same set of low cards. Thus it is fairly common that some of the cards
drdawud
mathematics
9y
Basic Combinatorics, Part Two
Image source: In my previous post, I introduced some basic concepts in combinatorics. If you haven't read the previous post, you can do so here. Arranging objects when some objects are identical A common
wiseagent
Scrobble.life
7d
Promoted
MOVIE REVIEW: “Anniversary” (2025)
This publication was also writen in SPANISH and PORTUGUESE. IMDb Synopsis: An (apparently) united family finds itself in the midst of gradually escalating chaos due to the rise of a controversial movement
boucaron
science
9y
Free Books: M. Lothaire's Books on Combinatorics on Words
Two Books made freely available by "M.Lothaire" (M.Lothaire is a collective name chosen by the authors). It is all about "combinatorics on words" with theory, algorithms applied to
jackeown
math
9y
Simple Counting Question
How many ways are there to place 20 generic balls into 4 unique bins? This is a simple combinatorics question and I'll post a cool way of thinking about the answer tomorrow...leave any guesses in the comments
hansenator
mathematics
9y
Today I Am Going To Teach You How To Count… No, You Don’t Know!
Combinatorics ”the branch of mathematics dealing with combinations of objects belonging to a finite set in accordance with certain constraints, such as those of graph theory.” – Google Definition I loved
mckeown12
introduceyourself
9y
Hello Steemit! I'm a math grad student in Miami, Florida.
I heard about steemit from my awesome brother Jack, @jacKeown. He told me it would be a good community for me to become a part of so I plan to post a lot about the things I'm interested in; namely
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![Math mini-contest problem on D.Buzz for July 2021 [Day 1 - Problem B] 😎](/assets/noimage.png)