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Subsets of maximized length from a sorted list of integers

QUESTION FROM: Todor Latev | 13 years ago BY: Udo Krause
Discrete Mathematics , Mathematica , Mathematics , Wolfram Language
4
REPLIES
9.3K
VIEWS

Logic AND in Matlab vs Mathematica?

QUESTION FROM: feng wei | 13 years ago BY: Ilian Gachevski
Discrete Mathematics , Mathematica , Mathematics
4
REPLIES
8.2K
VIEWS

Request resources for mathematical foundations of higher-order topological dynamics in networks

QUESTION FROM: Amin Cheikhi | 0 months ago BY: Daniel Lichtblau
Algebra , Calculus , Discrete Mathematics , Mathematics , ...
3
REPLIES
2.8K
VIEWS

Using JacobiSymbol vs KroneckerSymbol

QUESTION FROM: Paolo Xausa | 2 years ago BY: Mariusz Iwaniuk
Discrete Mathematics , Mathematics , Wolfram Language
3
REPLIES
2.4K
VIEWS

Visualizing diagrams needed to compute $\langle \operatorname{Tr}(A^3 (A^T)^3)\rangle$

QUESTION FROM: Yaroslav Bulatov | 2 years ago BY: Gianluca Gorni
Discrete Mathematics , Graphics and Visualization , ...
3
REPLIES
4K
VIEWS

What does the unequal constraint slow down solve so much?

QUESTION FROM: Frank Kampas | 5 years ago BY: carlos aya
Discrete Mathematics , Equation Solving , Mathematics , ...
3
REPLIES
9.5K
VIEWS

Extract elements of a list meeting a specific condition.

QUESTION FROM: David Kirkby | 5 years ago BY: David Kirkby
Discrete Mathematics , Mathematics , Wolfram Language
3
REPLIES
5.5K
VIEWS

Reading materials needed about permutations?

QUESTION FROM: David Barnes | 6 years ago BY: Rohit Namjoshi
Algebra , Discrete Mathematics , Mathematics , Wolfram Language
3
REPLIES
7.3K
VIEWS

Avoid crash while using FindCycle in the following code?

QUESTION FROM: Daniel Huber | 8 years ago BY: l van Veen
Discrete Mathematics , Graphs and Networks , Mathematica , ...
3
REPLIES
12.1K
VIEWS

Avoid problem with for- and when-loops for finding table values in SM?

QUESTION FROM: Martin Nilsson | 9 years ago BY: Martin Nilsson
Control Systems , Discrete Mathematics , Engineering , ...
3
REPLIES
12.4K
VIEWS

[?] Make a function to check if a poker hand contains exactly one pair?

QUESTION FROM: Mathman12 Jo | 9 years ago BY: Mathman12 Jo
Discrete Mathematics , Mathematics , Statistics and Probability , ...
3
REPLIES
9.7K
VIEWS

Find numbers with cubes?

QUESTION FROM: Alexey Podchufarov | 9 years ago BY: Alexey Podchufarov
Algebra , Discrete Mathematics , Mathematics , ...
3
REPLIES
7.7K
VIEWS

Permutations with conditions: element a to appear before c

QUESTION FROM: Lara Craft | 9 years ago BY: Paul Cleary
Computer Science , Discrete Mathematics , Mathematica , Mathematics
3
REPLIES
10.3K
VIEWS

Fix code that does RSA decryption?

QUESTION FROM: Jens Burkhart | 10 years ago BY: Neil Singer
Calculus , Computer Science , Discrete Mathematics , Mathematics , ...
3
REPLIES
5.6K
VIEWS

Find primes that contain in their decimal representation the sequence 2015?

QUESTION FROM: Tereza Lion | 10 years ago BY: Tereza Lion
Discrete Mathematics , Mathematics , Wolfram Language
3
REPLIES
5.2K
VIEWS

Can MMA confirm the 'Largest Prime'?

QUESTION FROM: David Mackay | 10 years ago BY: David Mackay
Discrete Mathematics , Mathematics , Numerical Computation
3
REPLIES
7.5K
VIEWS

Computing 0^0 mod 7 with Mod and PowerMod

QUESTION FROM: RorriNator 7 | 11 years ago BY: Sander Huisman
Discrete Mathematics , Mathematica , Mathematics
3
REPLIES
8.4K
VIEWS

Simultaneously solving a PDE and ODE

QUESTION FROM: Raunak Bardia | 11 years ago BY: Daniel Lichtblau
Calculus , Discrete Mathematics , Engineering , Mathematica , ...
3
REPLIES
11.8K
VIEWS

Simple Math Problem Shows Massive Flaw In All Machine Learning Algorythims

QUESTION FROM: David Johnston | 11 years ago BY: David Johnston
Computer Science , Data Science , Discrete Mathematics , ...
3
REPLIES
19.8K
VIEWS

Elementary CA models from a different method ?

QUESTION FROM: Tylor Firestone | 11 years ago BY: Tylor Firestone
Algebra , Computational Systems , Computer Science , ...
3
REPLIES
14.3K
VIEWS

Can we select from a list by position and value?

QUESTION FROM: Paul Cleary | 11 years ago BY: Paul Cleary
Data Science , Discrete Mathematics , Mathematica , Optimization , ...
3
REPLIES
8.2K
VIEWS

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

QUESTION FROM: J L | 11 years ago BY: J L
Discrete Mathematics , Equation Solving , ...
3
REPLIES
11.3K
VIEWS

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

QUESTION FROM: Douglas Youvan | 12 years ago BY: Douglas Youvan
Algebra , Discrete Mathematics , Equation Solving , ...
3
REPLIES
7.4K
VIEWS

Converting Graphs to Graphics

QUESTION FROM: David J M Park Jr | 12 years ago BY: S M Blinder
Discrete Mathematics , Graphics and Visualization , Mathematica
3
REPLIES
5.8K
VIEWS

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

QUESTION FROM: J Robinson | 12 years ago BY: Sean Clarke
Calculus , Discrete Mathematics , Mathematics , Wolfram Language
3
REPLIES
6.1K
VIEWS

A Diophantine Benchmark

QUESTION FROM: Jaime Rangel-Mondragon | 13 years ago BY: Vitaliy Kaurov
Computer-Based Maths , Computer Science , Discrete Mathematics , ...
3
REPLIES
9.7K
VIEWS

Surface parametrization interpolation

QUESTION FROM: Andy Sageman-Furnas | 13 years ago BY: Andy Sageman-Furnas
Calculus , Discrete Mathematics , Geometry , Mathematica , ...
3
REPLIES
11.8K
VIEWS

Graphs with weight in 2D and 3D

QUESTION FROM: Luc Barthelet | 14 years ago BY: Luc Barthelet
Discrete Mathematics , Graphs and Networks , Mathematica
3
REPLIES
8.7K
VIEWS

Ploting two recurrence in the same figure

QUESTION FROM: Raafat Abo-Zeid | 1 year ago BY: Raafat Abo-Zeid
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
2
REPLIES
2K
VIEWS

How to use the Runs function in Version 13.3

QUESTION FROM: Harlan Brothers | 3 years ago BY: Harlan Brothers
Discrete Mathematics , Mathematics , Packages , Wolfram Language
2
REPLIES
3.7K
VIEWS

How to prove an implication involving logarithms?

QUESTION FROM: Janish Suneja | 3 years ago BY: Gianluca Gorni
Discrete Mathematics , Mathematics , Symbolic Computations , ...
2
REPLIES
3.1K
VIEWS

Is $?(e^{\pi CMRB})$ Rational?

QUESTION FROM: Marvin Ray Burns A.G.S. (cum laude) | 3 years ago BY: Marvin Ray Burns A.G.S. (cum laude)
Discrete Mathematics , Graphics and Visualization , ...
2
REPLIES
4.5K
VIEWS

Etiquette for submitting to Wolfram Function Repository?

QUESTION FROM: Daniel Geisler | 4 years ago BY: Daniel Geisler
Discrete Mathematics , Mathematics , Packages , Physics , ...
2
REPLIES
5.6K
VIEWS

Searching for 10-base number $n$ that follow two rules when written in base

QUESTION FROM: Jan Eerland | 5 years ago BY: Rohit Namjoshi
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
6K
VIEWS

Indices for StirlingS1 and StirlingS2

QUESTION FROM: Thomas Vermaak | 5 years ago BY: Thomas Vermaak
Discrete Mathematics , Wolfram Language
2
REPLIES
6K
VIEWS

[WWS21] The Multiway Systems of Dynkin Diagrams

QUESTION FROM: Sam Willis | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Discrete Mathematics , Graphs and Networks , ...
2
REPLIES
8.8K
VIEWS

Products of consecutive primes in Wolfram|Alpha

QUESTION FROM: Brian McGroarty | 5 years ago BY: Brian McGroarty
Discrete Mathematics , Mathematics , Wolfram|Alpha
2
REPLIES
5.8K
VIEWS

Different results from two identical sums?

QUESTION FROM: Nic Bat | 6 years ago BY: Nic Bat
Compilation , Discrete Mathematics , High-Performance Computing , ...
2
REPLIES
7.1K
VIEWS

How to implement Kuhn-Munkres algorithm by Mathematica？

QUESTION FROM: Haobo Xia | 6 years ago BY: Haobo Xia
Discrete Mathematics , Graphs and Networks , Optimization , ...
2
REPLIES
7.8K
VIEWS

[?] Perform an approximation with radial basis functions?

QUESTION FROM: Peter a | 6 years ago BY: Michael Kelly
Algebra , Calculus , Discrete Mathematics , Mathematics , Physics , ...
2
REPLIES
14.1K
VIEWS

Break out of a DepthFirstScan (DFS) when a condition is fullfiled?

QUESTION FROM: Dan Chevion | 7 years ago BY: Dan Chevion
Discrete Mathematics , Graphs and Networks , Mathematics , ...
2
REPLIES
6.1K
VIEWS

Drop high power terms in Matrix multiplication?

QUESTION FROM: Bryan Koh | 7 years ago BY: Bryan Koh
Calculus , Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
5.6K
VIEWS

How do I tell mathematica that the entries in a matrix is also matrices?

QUESTION FROM: Sophie Møller | 7 years ago BY: Sophie Møller
Discrete Mathematics , Mathematics , Symbolic Computations , ...
2
REPLIES
7.3K
VIEWS

Join edges that connect the vertices of the 1st graph with a 2nd graph?

QUESTION FROM: Licheng Zhang | 7 years ago BY: Licheng Zhang
Discrete Mathematics , Graphs and Networks , Mathematics , Packages , ...
2
REPLIES
7.9K
VIEWS

[?] Turn a List into matrix coordinates?

QUESTION FROM: John Shonder | 7 years ago BY: John Shonder
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
6.5K
VIEWS

How lack of iterators limits the usefulness of combinatorial enumeration

QUESTION FROM: Szabolcs Horvát | 7 years ago BY: Sander Huisman
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
11.3K
VIEWS

[?] Plot tensor networks diagrams?

QUESTION FROM: Raghav Jha | 7 years ago BY: Raghav Jha
Discrete Mathematics , Graphics and Visualization , ...
2
REPLIES
6.9K
VIEWS

Norm bound when finding an integer relation via FindIntegerNullVector

QUESTION FROM: Jose Brox | 7 years ago BY: Jose Brox
Discrete Mathematics , Mathematics , Numerical Computation , ...
2
REPLIES
5.9K
VIEWS

Calculate an equivalence relation by a given partition in Wolfram|Alpha?

QUESTION FROM: udi do | 7 years ago BY: Murray Eisenberg
Discrete Mathematics , Mathematics , Wolfram|Alpha
2
REPLIES
6.8K
VIEWS

Learn more about the formula for the asymptotic growth of prime numbers?

QUESTION FROM: Collin Merenoff | 7 years ago BY: Duncan Pettengill
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
10.2K
VIEWS

What are the valid specs for a FIR implementation of a bandstop filter?

QUESTION FROM: Guido Fantini | 8 years ago BY: Guido Fantini
Discrete Mathematics , Mathematics , Signal Processing , ...
2
REPLIES
7.3K
VIEWS

[?] Restrict the figure in the frame of DiscretePlot?

QUESTION FROM: qiyue wang | 8 years ago BY: qiyue wang
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
2
REPLIES
5K
VIEWS

[?] Solve a recurrence relation?

QUESTION FROM: Herman Shire | 8 years ago BY: Mariusz Iwaniuk
Discrete Mathematics , Equation Solving , Mathematics , ...
2
REPLIES
8.4K
VIEWS

[?] Find a closed formula given a sequence?

QUESTION FROM: Herman Shire | 8 years ago BY: Mariusz Iwaniuk
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
6K
VIEWS

Get a random number generator for various cases?

QUESTION FROM: GABBAR JADAV | 8 years ago BY: Hans Milton
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
5.9K
VIEWS

Expound on function BinarySearch[list,key, Function]?

QUESTION FROM: Gerald Kamin | 9 years ago BY: Daniel Lichtblau
Discrete Mathematics , Equation Solving , Optimization , ...
2
REPLIES
7K
VIEWS

Correct sine cosine data automatically without user intervention?

QUESTION FROM: Adam Szewczyk | 9 years ago BY: Adam Szewczyk
Algebra , Calculus , Discrete Mathematics , Equation Solving , ...
2
REPLIES
6.7K
VIEWS

Compute 2D Discrete Hilbert Transform?

QUESTION FROM: Max Sakharov | 9 years ago BY: Max Sakharov
Calculus , Discrete Mathematics , Image Processing , Mathematics , ...
2
REPLIES
12.2K
VIEWS

[?] Obtain the FFT of a wave form?

QUESTION FROM: Muhammad Afzal | 9 years ago BY: Muhammad Afzal
Discrete Mathematics , Mathematics , Wavelets and Fourier Series , ...
2
REPLIES
10.6K
VIEWS

Sort out primes up to the 1000th count?

QUESTION FROM: Leighton Cooper | 10 years ago BY: Leighton Cooper
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
8.4K
VIEWS

Obtain more primes than Prime[n] offers?

QUESTION FROM: Bryan Lettner | 10 years ago BY: Bryan Lettner
Discrete Mathematics , Optimization , Mathematics , Packages , ...
2
REPLIES
7.4K
VIEWS

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

QUESTION FROM: Jaime Rangel-Mondragon | 11 years ago BY: Dana DeLouis
Computer-Based Maths , Computer Science , Discrete Mathematics , ...
2
REPLIES
11.8K
VIEWS

Any built function for this permutation?

QUESTION FROM: Okkes Dulgerci | 11 years ago BY: Okkes Dulgerci
Discrete Mathematics , Mathematica , Mathematics
2
REPLIES
7K
VIEWS

How to permute 4 operation between fixed numbers position..

QUESTION FROM: Okkes Dulgerci | 11 years ago BY: Okkes Dulgerci
Discrete Mathematics , Mathematica , Mathematics
2
REPLIES
6.7K
VIEWS

Labelling Special Edges of a Hasse Diagram

QUESTION FROM: Zev Woodstock | 11 years ago BY: Zev Woodstock
Discrete Mathematics , Graphics and Visualization , ...
2
REPLIES
15.7K
VIEWS

Code & exploration of Minimal Superpermutation problem

QUESTION FROM: Vitaliy Kaurov | 11 years ago BY: Vitaliy Kaurov
Discrete Mathematics , Graphs and Networks , Mathematics , ...
2
REPLIES
6.9K
VIEWS

Is ArrayReshape intrinsically slow ... ?

QUESTION FROM: Mark Tuttle | 11 years ago BY: Mark Tuttle
Algebra , Discrete Mathematics , Mathematica , Software Development , ...
2
REPLIES
9.4K
VIEWS

how to write an NRSolve function ?

QUESTION FROM: Terry Heidelberg | 11 years ago BY: Roger Germundsson
Discrete Mathematics , Economics , Equation Solving , Mathematica , ...
2
REPLIES
10.6K
VIEWS

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

QUESTION FROM: David Reiss | 11 years ago BY: David Reiss
Data Science , Discrete Mathematics , Mathematica , Mathematics , ...
2
REPLIES
10K
VIEWS

Sort equation: unknown values left, known values right

QUESTION FROM: Lennart M | 12 years ago BY: Lennart M
Discrete Mathematics , Mathematica , Wolfram Language
2
REPLIES
7.7K
VIEWS

How can I get Permutations of each Integer Partition?

QUESTION FROM: Logan Bell | 12 years ago BY: Logan Bell
Discrete Mathematics , Group Theory , Mathematica , Mathematics
2
REPLIES
8.7K
VIEWS

How to find combinations of letters?

QUESTION FROM: Azhar Uddin Mohammed | 12 years ago BY: Azhar Uddin Mohammed
Calculus , Discrete Mathematics , Education , Engineering , ...
2
REPLIES
11.3K
VIEWS

Generating all sets of unordered pairs from a list

QUESTION FROM: Selcuk Kumbasar | 12 years ago BY: Selcuk Kumbasar
Discrete Mathematics , Wolfram Language
2
REPLIES
7.4K
VIEWS

Topological Sort Order, Partial Ordering

QUESTION FROM: David J M Park Jr | 12 years ago BY: David J M Park Jr
Discrete Mathematics , Graphs and Networks , Mathematica , Mathematics
2
REPLIES
7.8K
VIEWS

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

QUESTION FROM: Lone Ranger | 12 years ago BY: Lone Ranger
Discrete Mathematics , Mathematica , Wolfram|Alpha , Wolfram Language
2
REPLIES
10.9K
VIEWS

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

QUESTION FROM: Mark Tuttle | 12 years ago BY: Mark Tuttle
Business Analytics , Data Science , Discrete Mathematics , ...
2
REPLIES
7.1K
VIEWS

Combining several lists

QUESTION FROM: Gilbert Gosseyn | 12 years ago BY: Gilbert Gosseyn
Discrete Mathematics , Mathematica , Software Development
2
REPLIES
4.1K
VIEWS

How do I construct tuples from lists?

QUESTION FROM: Jim Simons | 12 years ago BY: Jim Simons
Discrete Mathematics , Mathematica , Mathematics
2
REPLIES
4.3K
VIEWS

DepthFirstScan to work properly on Graph

QUESTION FROM: Gregory Fridman | 12 years ago BY: Gregory Fridman
Discrete Mathematics , Graphs and Networks , Mathematica , ...
2
REPLIES
5.9K
VIEWS

Graph from CountryData

QUESTION FROM: André Dauphiné | 13 years ago BY: André Dauphiné
Computer Science , Data Science , Discrete Mathematics , ...
2
REPLIES
13K
VIEWS

Method to generate k random partitions without Reap/Sow?

QUESTION FROM: David G | 13 years ago BY: William Rummler
Discrete Mathematics , Wolfram Language
2
REPLIES
7.5K
VIEWS

Formatting Output

QUESTION FROM: Michael Senter | 13 years ago BY: Michael Senter
Discrete Mathematics , Mathematica , Presentation and Notebooks
2
REPLIES
10.3K
VIEWS

In terms of performance, how to get a solution to this equation with y being a perfect square ?

QUESTION FROM: Laël Cellier | 1 year ago BY: Daniel Lichtblau
Algebra , Discrete Mathematics , Equation Solving , Mathematics , ...
1
REPLIES
2K
VIEWS

What time complexity are set operations?

QUESTION FROM: Mark Massy | 2 years ago BY: Daniel Lichtblau
Discrete Mathematics , Wolfram Language
1
REPLIES
3.1K
VIEWS

Using FindMinimum on permutation sets?

QUESTION FROM: Denys P | 3 years ago BY: Daniel Lichtblau
Discrete Mathematics , Optimization , Wolfram Language
1
REPLIES
3.5K
VIEWS

Obtain the basis vectors of the Bravais lattice

QUESTION FROM: Hongyi Zhao | 4 years ago BY: Eric Rimbey
Curated Data , Discrete Mathematics , Graphs and Networks , ...
1
REPLIES
3.1K
VIEWS

Revisit IMO 2009 Short List N2

QUESTION FROM: Shenghui Yang | 6 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Mathematics , Wolfram Cloud , ...
1
REPLIES
10K
VIEWS

The expression 1+n cannot be used as a part specification.

QUESTION FROM: xianyao huao | 6 years ago BY: Francesco Lasco
Discrete Mathematics , Wolfram Language
1
REPLIES
10.6K
VIEWS

[NB] Boundaries of the Amplituhedron with amplituhedronBoundaries

QUESTION FROM: Mohammad Bahrami | 6 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Geometry , Mathematica Add-Ons , ...
1
REPLIES
11.5K
VIEWS

Predict number from random number system?

QUESTION FROM: decha promtem | 6 years ago BY: decha promtem
Computer Science , Discrete Mathematics , Mathematics , ...
1
REPLIES
5.7K
VIEWS

Is there a way to use RulePlot for higher order rules?

QUESTION FROM: John McGee | 7 years ago BY: David Whitten
Discrete Mathematics , Graphics and Visualization , ...
1
REPLIES
10.3K
VIEWS

[?] Display the following graphs?

QUESTION FROM: Jacob woessner.jacob@hotmail.com | 7 years ago BY: Jason Biggs
Discrete Mathematics , Graphs and Networks , Mathematics , ...
1
REPLIES
6.6K
VIEWS

A fractal crystal lattice of Gaussian primes, or a result of interpolation?

QUESTION FROM: Andrew Watters | 7 years ago BY: Daniel Lichtblau
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
1
REPLIES
10.7K
VIEWS

Use the Dirac function in an integral calculation?

QUESTION FROM: V? Ng?c Vi?t Hoàng | 8 years ago BY: Rohit Namjoshi
Algebra , Calculus , Discrete Mathematics , Equation Solving , ...
1
REPLIES
5.5K
VIEWS

Improve numerical Fourier transformation on interpolation function?

QUESTION FROM: Markus Schmidt | 8 years ago BY: Daniel Lichtblau
Discrete Mathematics , Mathematics , Numerical Computation , ...
1
REPLIES
8.5K
VIEWS

What kind of CoordinateTransformData to use?

QUESTION FROM: Janos Lobb | 9 years ago BY: Neil Singer
Discrete Mathematics , Mathematics , Wolfram Language
1
REPLIES
5.1K
VIEWS

Transform a graph into the following one?

QUESTION FROM: Rak Univ | 9 years ago BY: Christopher Wolfram
Discrete Mathematics , Graphs and Networks , Mathematics , ...
1
REPLIES
9.7K
VIEWS

Solve[eqs,vars,Integers] Mathematica 10.3.0

QUESTION FROM: Gerald Janusz | 10 years ago BY: Daniel Lichtblau
Discrete Mathematics , Equation Solving , Optimization , ...
1
REPLIES
5.7K
VIEWS

Using Fourier function to determine discreet fourier transform of a signal

QUESTION FROM: Syed Muhammad Hilmi Syed Anera | 10 years ago BY: Daniel Lichtblau
Calculus , Discrete Mathematics , Mathematics , ...
1
REPLIES
7K
VIEWS

Bessel Function

QUESTION FROM: Goutham Parameshwarappa | 11 years ago BY: Bill Simpson
Discrete Mathematics , Mathematics
1
REPLIES
5.6K
VIEWS
1
2
3

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