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Can MMA confirm the 'Largest Prime'?

QUESTION FROM: David Mackay | 9 years ago BY: David Mackay
Discrete Mathematics , Mathematics , Numerical Computation
3
REPLIES
7.1K
VIEWS

How to plot f[n_] := n f[n - 1] a recursion equation?

QUESTION FROM: Jake Trexel | 10 years ago BY: Jake Trexel
Discrete Mathematics , Graphics and Visualization , Wolfram Language
4
REPLIES
8.4K
VIEWS

Understanding result for prime factorization of 25

QUESTION FROM: RorriNator 7 | 10 years ago BY: Marco Thiel
Discrete Mathematics , Wolfram|Alpha , Wolfram Language
13
REPLIES
19.3K
VIEWS

Shortest hamiltonian path

CONTRIBUTED BY: David Gathercole | 10 years ago BY: Daniel Lichtblau
Discrete Mathematics , Geometry , Graphs and Networks , ...
7
REPLIES
12.3K
VIEWS

Brunnian 5 links

QUESTION FROM: ali cherad | 3 years ago BY: Rick Mabry
Discrete Mathematics , Graphics and Visualization , Wolfram Language
11
REPLIES
15.7K
VIEWS

Packing infinite rectangles

QUESTION FROM: Ed Pegg | 10 years ago
Discrete Mathematics , Geometry , Mathematics , Recreation , ...
0
REPLIES
4.2K
VIEWS

Computing 0^0 mod 7 with Mod and PowerMod

QUESTION FROM: RorriNator 7 | 10 years ago BY: Sander Huisman
Discrete Mathematics , Mathematica , Mathematics
3
REPLIES
7.8K
VIEWS

Tetrahedral space-filler

CONTRIBUTED BY: Ed Pegg | 10 years ago
3D Printing , Discrete Mathematics , Geometry , ...
0
REPLIES
5K
VIEWS

Bessel Function

QUESTION FROM: Goutham Parameshwarappa | 10 years ago BY: Bill Simpson
Discrete Mathematics , Mathematics
1
REPLIES
5.3K
VIEWS

How to find all possible paths tracing as many edges between two vertices?

QUESTION FROM: Azhar Uddin Mohammed | 10 years ago BY: Szabolcs Horvát
Civil Engineering , Computer Science , Discrete Mathematics , ...
1
REPLIES
14K
VIEWS

Discrepancy Conjecture

CONTRIBUTED BY: Ed Pegg | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Demonstrations , Discrete Mathematics , ...
1
REPLIES
10K
VIEWS

How do I get all possible paths in terms of edges, and not vertices?

QUESTION FROM: Azhar Uddin Mohammed | 10 years ago BY: Dana DeLouis
Civil Engineering , Discrete Mathematics , Engineering , ...
5
REPLIES
17.4K
VIEWS

Simultaneously solving a PDE and ODE

QUESTION FROM: Raunak Bardia | 10 years ago BY: Daniel Lichtblau
Calculus , Discrete Mathematics , Engineering , Mathematica , ...
3
REPLIES
11.3K
VIEWS

How to solve this differential equation groups

QUESTION FROM: YU SHANG | 10 years ago BY: YU SHANG
Calculus , Discrete Mathematics , Equation Solving , Mathematica , ...
5
REPLIES
12.2K
VIEWS

Incidence Matrix input (need to figure out if it's hamiltionian/eulerian)

QUESTION FROM: Jakub SzoÅ?omicki | 10 years ago BY: Sean Clarke
Discrete Mathematics
1
REPLIES
4.8K
VIEWS

Is there a way to give Solve "hints" ...

QUESTION FROM: Mark Tuttle | 10 years ago BY: Mark Tuttle
Algebra , Computer Science , Data Science , Discrete Mathematics , ...
4
REPLIES
13.4K
VIEWS

Discrete Recurrence

QUESTION FROM: Raluca R | 10 years ago BY: Raluca R
Discrete Mathematics , Mathematics , Wolfram Language
5
REPLIES
8.2K
VIEWS

Simple Math Problem Shows Massive Flaw In All Machine Learning Algorythims

QUESTION FROM: David Johnston | 10 years ago BY: David Johnston
Computer Science , Data Science , Discrete Mathematics , ...
3
REPLIES
19.1K
VIEWS

Elementary CA models from a different method ?

QUESTION FROM: Tylor Firestone | 10 years ago BY: Tylor Firestone
Algebra , Computational Systems , Computer Science , ...
3
REPLIES
13.8K
VIEWS

What's wrong with my code? Code and error are in the message.

QUESTION FROM: Nathan Lundholm | 10 years ago BY: Nathan Lundholm
Aerospace Engineering , Astronomy , Discrete Mathematics , ...
4
REPLIES
14.1K
VIEWS

How do I combine 3 lists into one 3d list?

QUESTION FROM: Nathan Lundholm | 10 years ago BY: Gianluca Gorni
Aerospace Engineering , Astronomy , Discrete Mathematics , ...
5
REPLIES
14.4K
VIEWS

how to solve system of equations

QUESTION FROM: Massimo Galasi | 10 years ago BY: Massimo Galasi
Discrete Mathematics , Equation Solving , Mathematica
11
REPLIES
9.5K
VIEWS

Non linear fit help

QUESTION FROM: suvadip mandal | 10 years ago BY: Sean Clarke
Algebra , Discrete Mathematics , Mathematics
6
REPLIES
8.1K
VIEWS

How to get perfect square from the list element..

QUESTION FROM: Okkes Dulgerci | 10 years ago BY: Okkes Dulgerci
Discrete Mathematics , Graphs and Networks , Mathematica , Mathematics
9
REPLIES
12.6K
VIEWS

Lower-order logical independence of boolean functions ...?

QUESTION FROM: Mark Tuttle | 10 years ago
Algebra , Computer Science , Data Science , Discrete Mathematics , ...
0
REPLIES
7.9K
VIEWS

Any built function for this permutation?

QUESTION FROM: Okkes Dulgerci | 10 years ago BY: Okkes Dulgerci
Discrete Mathematics , Mathematica , Mathematics
2
REPLIES
6.7K
VIEWS

How to permute 4 operation between fixed numbers position..

QUESTION FROM: Okkes Dulgerci | 10 years ago BY: Okkes Dulgerci
Discrete Mathematics , Mathematica , Mathematics
2
REPLIES
6.4K
VIEWS

Unit Distance Heawood Graph

CONTRIBUTED BY: Ed Pegg | 10 years ago BY: Ion Dodon
Discrete Mathematics , Geometry , Graphics and Visualization , ...
4
REPLIES
11.8K
VIEWS

Partially ordered graphs like Dynkin diagrams ?

QUESTION FROM: Sylvain Lacroix | 10 years ago BY: Updating Name
Discrete Mathematics , Graphs and Networks , Wolfram Language
4
REPLIES
7.3K
VIEWS

Labelling Special Edges of a Hasse Diagram

QUESTION FROM: Zev Woodstock | 10 years ago BY: Zev Woodstock
Discrete Mathematics , Graphics and Visualization , ...
2
REPLIES
14.9K
VIEWS

Compute the product between two sets

QUESTION FROM: Frédéric DIDIER | 10 years ago BY: Frédéric DIDIER
Computer Science , Discrete Mathematics , Mathematica , Mathematics , ...
4
REPLIES
8.8K
VIEWS

How to code function whose value depends on conditions?

QUESTION FROM: Ricardo Garcia | 10 years ago BY: Ricardo Garcia
Discrete Mathematics , Mathematica , Mathematics
4
REPLIES
7.1K
VIEWS

Wolfram Language analysis of Reddit's sixty-second-button

CONTRIBUTED BY: David Gathercole | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Data Science , Discrete Mathematics , ...
4
REPLIES
29.4K
VIEWS

Permutations with conditions: element a to appear before c

QUESTION FROM: Lara Craft | 8 years ago BY: Paul Cleary
Computer Science , Discrete Mathematics , Mathematica , Mathematics
3
REPLIES
9.7K
VIEWS

need help to price a european option using finite difference method

QUESTION FROM: Kausik Datta | 10 years ago BY: David Gathercole
Compilation , Discrete Mathematics , Finance , Mathematica , ...
1
REPLIES
16.3K
VIEWS

Conditional DivisorSum

QUESTION FROM: kis miska | 10 years ago
Algebra , Discrete Mathematics , Mathematics , Wolfram Language
0
REPLIES
4.2K
VIEWS

Can't work with interim answer of variable length

QUESTION FROM: Alexey Podchufarov | 10 years ago BY: Sean Clarke
Data Science , Discrete Mathematics , Import and Export , ...
1
REPLIES
7.1K
VIEWS

Code & exploration of Minimal Superpermutation problem

QUESTION FROM: Vitaliy Kaurov | 10 years ago BY: Vitaliy Kaurov
Discrete Mathematics , Graphs and Networks , Mathematics , ...
2
REPLIES
6.1K
VIEWS

Representing Sets as Elements of Complexes

QUESTION FROM: Matthew Szostak | 10 years ago
Algebra , Discrete Mathematics , Statistics and Probability , ...
0
REPLIES
4.9K
VIEWS

Exponent optimization with constrains

QUESTION FROM: yossi sh | 10 years ago BY: Bill Simpson
Discrete Mathematics , Finance , Mathematics , Modeling , ...
5
REPLIES
10K
VIEWS

Can we select from a list by position and value?

QUESTION FROM: Paul Cleary | 10 years ago BY: Paul Cleary
Data Science , Discrete Mathematics , Mathematica , Optimization , ...
3
REPLIES
7.8K
VIEWS

Strange FindInstance output

QUESTION FROM: Brett A Collins | 10 years ago BY: Daniel Lichtblau
Algebra , Discrete Mathematics , Equation Solving , Wolfram Language
1
REPLIES
6.3K
VIEWS

Is ArrayReshape intrinsically slow ... ?

QUESTION FROM: Mark Tuttle | 10 years ago BY: Mark Tuttle
Algebra , Discrete Mathematics , Mathematica , Software Development , ...
2
REPLIES
8.9K
VIEWS

Solving an equation of two variables where one var varies, and plot

QUESTION FROM: J L | 10 years ago BY: J L
Discrete Mathematics , Equation Solving , ...
3
REPLIES
11K
VIEWS

How to create this list?

QUESTION FROM: Diogo Duarte | 10 years ago BY: Marco Thiel
Discrete Mathematics , Mathematica , Wolfram Language
5
REPLIES
6.2K
VIEWS

How create function for Fibonacci series?

QUESTION FROM: Camilo Pacheco | 10 years ago BY: Henrik Schachner
Calculus , Discrete Mathematics , Mathematica , Wolfram Language
4
REPLIES
15K
VIEWS

Puzzled by FindClusters on a set of dates with a custom DistanceFunction

QUESTION FROM: David Reiss | 10 years ago BY: David Reiss
Data Science , Discrete Mathematics , Mathematica , Mathematics , ...
2
REPLIES
9.5K
VIEWS

Understand the NMinimize output vs. StepMonitor output

QUESTION FROM: Tomáš Hruš | 10 years ago BY: Daniel Lichtblau
Discrete Mathematics , Mathematica , Optimization , Wolfram Language
1
REPLIES
7.2K
VIEWS

Asymmetric, bicubic and $3$-edge colorable graphs by W|A

QUESTION FROM: draks ... | 10 years ago
Discrete Mathematics , Mathematics , Wolfram|Alpha , Wolfram Cloud , ...
0
REPLIES
11K
VIEWS

m*m bijective function

QUESTION FROM: Qi Z | 11 years ago
Algebra , Computational Systems , Computer Science , ...
0
REPLIES
10.1K
VIEWS

How can I assign values to individual matrix locations?

CONTRIBUTED BY: Tommy Volk | 11 years ago BY: Daniel Lichtblau
Discrete Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
6.7K
VIEWS

Eigenvalue Problem of Hamiltonian of Single Cooper Pair Box

QUESTION FROM: ebrahimmm6781 Khalil | 11 years ago BY: Frank Kampas
Algebra , Calculus , Computational Systems , Discrete Mathematics , ...
1
REPLIES
10.5K
VIEWS

Sort equation: unknown values left, known values right

QUESTION FROM: Lennart M | 11 years ago BY: Lennart M
Discrete Mathematics , Mathematica , Wolfram Language
2
REPLIES
7.3K
VIEWS

Pattern recognition problem (format updated)

QUESTION FROM: Marvin Ray Burns A.G.S. (cum laude) | 11 years ago
Discrete Mathematics , Mathematica , Optimization , Wolfram Language
0
REPLIES
4.6K
VIEWS

Can you find the PseudoInverse of this matrix?

QUESTION FROM: Douglas Youvan | 10 years ago BY: Frank Kampas
Algebra , Discrete Mathematics , Equation Solving , ...
4
REPLIES
9K
VIEWS

How to find combinations of letters?

QUESTION FROM: Azhar Uddin Mohammed | 11 years ago BY: Azhar Uddin Mohammed
Calculus , Discrete Mathematics , Education , Engineering , ...
2
REPLIES
10.7K
VIEWS

How can I get Permutations of each Integer Partition?

QUESTION FROM: Logan Bell | 11 years ago BY: Logan Bell
Discrete Mathematics , Group Theory , Mathematica , Mathematics
2
REPLIES
8.2K
VIEWS

Edge styling in graphs

QUESTION FROM: Peanut Butter | 11 years ago BY: Jaebum Jung
Discrete Mathematics , Graphics and Visualization , ...
6
REPLIES
11.8K
VIEWS

Generating all sets of unordered pairs from a list

QUESTION FROM: Selcuk Kumbasar | 11 years ago BY: Selcuk Kumbasar
Discrete Mathematics , Wolfram Language
2
REPLIES
7K
VIEWS

How rare is it for a sparse rectangular matrix to have an exact solution?

QUESTION FROM: Douglas Youvan | 11 years ago BY: Douglas Youvan
Algebra , Discrete Mathematics , Equation Solving , ...
3
REPLIES
7K
VIEWS

Converting Graphs to Graphics

QUESTION FROM: David J M Park Jr | 11 years ago BY: S M Blinder
Discrete Mathematics , Graphics and Visualization , Mathematica
3
REPLIES
5.4K
VIEWS

best way to replace element in list with sum of two consecutive elements?

QUESTION FROM: p linh | 11 years ago BY: Chris Degnen
Discrete Mathematics
1
REPLIES
7.2K
VIEWS

Topological Sort Order, Partial Ordering

QUESTION FROM: David J M Park Jr | 11 years ago BY: David J M Park Jr
Discrete Mathematics , Graphs and Networks , Mathematica , Mathematics
2
REPLIES
7.4K
VIEWS

rsolve problems other than in documentation not getting executed.

QUESTION FROM: mathematics department | 11 years ago BY: mathematics department
Discrete Mathematics , Mathematica , Wolfram Language
5
REPLIES
5.5K
VIEWS

Computing logical independence - never mind! (Forgot "dual" case.)

QUESTION FROM: Mark Tuttle | 11 years ago
Algebra , Discrete Mathematics , Equation Solving , Mathematica , ...
0
REPLIES
4.2K
VIEWS

Martin Gardner's 100th Birthday

CONTRIBUTED BY: Ed Pegg | 11 years ago BY: rudy fernando gonzalez escobar
Algebra , Demonstrations , Discrete Mathematics , Geometry , ...
2
REPLIES
12.4K
VIEWS

[Solved] Print n-th number from list

QUESTION FROM: Piotr K?kol | 11 years ago BY: Piotr K?kol
Discrete Mathematics , Mathematics , Wolfram|Alpha
6
REPLIES
7.1K
VIEWS

What process does Mathematica use to find closed forms for sequences?

QUESTION FROM: Lone Ranger | 11 years ago BY: Lone Ranger
Discrete Mathematics , Mathematica , Wolfram|Alpha , Wolfram Language
2
REPLIES
10.3K
VIEWS

Any efficient VERTEX ENUMERATION packages available?

QUESTION FROM: Han Xiao | 10 years ago BY: J I Garcia
Discrete Mathematics , Geometry , Graphs and Networks , Mathematica , ...
1
REPLIES
17.6K
VIEWS

Optimization related question on Toeplitz matrix

QUESTION FROM: Shashi Kant | 11 years ago
Algebra , Discrete Mathematics , Mathematica
0
REPLIES
2.3K
VIEWS

A better way to supply the elements of a list as arguments to a function ..

QUESTION FROM: Mark Tuttle | 11 years ago BY: Mark Tuttle
Business Analytics , Data Science , Discrete Mathematics , ...
2
REPLIES
6.7K
VIEWS

Supercomputer Running Mathematica?

QUESTION FROM: Douglas Youvan | 11 years ago BY: Sean Clarke
Discrete Mathematics , Mathematica , Tuning and Debugging
1
REPLIES
7.6K
VIEWS

Halley's method of Square Root - How to render subscript n?

QUESTION FROM: J Robinson | 11 years ago BY: Sean Clarke
Calculus , Discrete Mathematics , Mathematics , Wolfram Language
3
REPLIES
5.7K
VIEWS

Combining several lists

QUESTION FROM: Gilbert Gosseyn | 11 years ago BY: Gilbert Gosseyn
Discrete Mathematics , Mathematica , Software Development
2
REPLIES
3.8K
VIEWS

Unable to Find Sequence Continuation or Formula

QUESTION FROM: H K | 11 years ago BY: Marco Thiel
Discrete Mathematics , Mathematics
4
REPLIES
6.3K
VIEWS

Assigning values to subscripted variables

QUESTION FROM: Saf Al | 11 years ago BY: Saf Al
Discrete Mathematics , Mathematica , Wolfram Language
5
REPLIES
12.7K
VIEWS

How do I add vertex weights?

QUESTION FROM: Shawn Doyle | 11 years ago BY: Shawn Doyle
Discrete Mathematics , Graphs and Networks , Mathematica , ...
6
REPLIES
5.5K
VIEWS

List-threading operations with logicals

QUESTION FROM: Jim Simons | 11 years ago BY: Marco Thiel
Discrete Mathematics , Mathematica , Wolfram Language
6
REPLIES
4.1K
VIEWS

How do I construct tuples from lists?

QUESTION FROM: Jim Simons | 11 years ago BY: Jim Simons
Discrete Mathematics , Mathematica , Mathematics
2
REPLIES
3.9K
VIEWS

how to write an NRSolve function ?

QUESTION FROM: Terry Heidelberg | 10 years ago BY: Roger Germundsson
Discrete Mathematics , Economics , Equation Solving , Mathematica , ...
2
REPLIES
10.1K
VIEWS

How to build a regular grammar for a regular language?

QUESTION FROM: Alex D | 11 years ago BY: Alex D
Computer Science , Discrete Mathematics
4
REPLIES
11.7K
VIEWS

Filter permutations

QUESTION FROM: Mutatis Mutandis | 11 years ago BY: Mutatis Mutandis
Discrete Mathematics , Mathematica , Mathematics , Wolfram Language
4
REPLIES
6.9K
VIEWS

Random Snowflake Generator Based on Cellular Automaton

CONTRIBUTED BY: Silvia Hao | 11 years ago BY: Richard Gaylord
Staff Picks , Discrete Mathematics , Mathematica , Modeling , ...
7
REPLIES
61.5K
VIEWS

One CMO Problem: Discrete Calculus

CONTRIBUTED BY: Shenghui Yang | 11 years ago BY: Daniel Lichtblau
Calculus , Computer-Based Maths , Discrete Mathematics , Education , ...
1
REPLIES
11.5K
VIEWS

Fastest way to generate prime numbers

QUESTION FROM: Szabolcs Horvát | 11 years ago BY: Daniel Lichtblau
Discrete Mathematics , Mathematica
5
REPLIES
6.4K
VIEWS

Finding rings in a network

QUESTION FROM: Mahdi Sadjadi | 11 years ago BY: Szabolcs Horvát
Discrete Mathematics , Graphs and Networks , Mathematica
1
REPLIES
5.2K
VIEWS

Is there a way to implement

QUESTION FROM: König Lufu Der Zehnte | 11 years ago BY: König Lufu Der Zehnte
Discrete Mathematics , Mathematica
4
REPLIES
4.3K
VIEWS

DepthFirstScan to work properly on Graph

QUESTION FROM: Gregory Fridman | 11 years ago BY: Gregory Fridman
Discrete Mathematics , Graphs and Networks , Mathematica , ...
2
REPLIES
5.5K
VIEWS

Graph from CountryData

QUESTION FROM: André Dauphiné | 12 years ago BY: André Dauphiné
Computer Science , Data Science , Discrete Mathematics , ...
2
REPLIES
12.6K
VIEWS

Subsets of maximized length from a sorted list of integers

QUESTION FROM: Todor Latev | 12 years ago BY: Udo Krause
Discrete Mathematics , Mathematica , Mathematics , Wolfram Language
4
REPLIES
8.6K
VIEWS

Chromatic polynomials for custom graphs

QUESTION FROM: Reinaldo Giudici | 8 years ago BY: Allan Zea
Discrete Mathematics , Graphs and Networks , Mathematica , ...
19
REPLIES
24.4K
VIEWS

A replacement for IntegerDigits: computing Sloane OEIS A229024 sequence

QUESTION FROM: Hans Havermann | 12 years ago BY: Hans Havermann
Discrete Mathematics , Mathematica , Mathematics , Recreation , ...
8
REPLIES
18.9K
VIEWS

Logic AND in Matlab vs Mathematica?

QUESTION FROM: feng wei | 12 years ago BY: Ilian Gachevski
Discrete Mathematics , Mathematica , Mathematics
4
REPLIES
7.7K
VIEWS

Parallelize code economically with Compile[]

CONTRIBUTED BY: Shenghui Yang | 12 years ago
Computer Science , Discrete Mathematics , Education , Mathematica
0
REPLIES
3.6K
VIEWS

Mortal Fibonacci Rabbits - Odd Answers for High Numbers

QUESTION FROM: Michael Senter | 12 years ago BY: Sander Huisman
Demonstrations , Discrete Mathematics , Mathematica
1
REPLIES
11.1K
VIEWS

Formatting Output

QUESTION FROM: Michael Senter | 12 years ago BY: Michael Senter
Discrete Mathematics , Mathematica , Presentation and Notebooks
2
REPLIES
9.7K
VIEWS

Method to generate k random partitions without Reap/Sow?

QUESTION FROM: David G | 12 years ago BY: William Rummler
Discrete Mathematics , Wolfram Language
2
REPLIES
7.1K
VIEWS

A Diophantine Benchmark

QUESTION FROM: Jaime Rangel-Mondragon | 12 years ago BY: Vitaliy Kaurov
Computer-Based Maths , Computer Science , Discrete Mathematics , ...
3
REPLIES
9K
VIEWS

Longest Monotone Sequences

CONTRIBUTED BY: Jaime Rangel-Mondragon | 12 years ago BY: Patrick Stevens
Computer Science , Discrete Mathematics , Optimization , ...
1
REPLIES
10.1K
VIEWS

How to compute the triangles of a graph via pattern matching?

QUESTION FROM: Jaime Rangel-Mondragon | 10 years ago BY: Dana DeLouis
Computer-Based Maths , Computer Science , Discrete Mathematics , ...
2
REPLIES
10.9K
VIEWS
2
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