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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

All possible combinations of x1 + ... + xk = s

QUESTION FROM: Ulrich Utiger | 5 years ago BY: Ulrich Utiger
Discrete Mathematics , Mathematics , Statistics and Probability , ...
13
REPLIES
10.7K
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

Summation of a Summation

QUESTION FROM: Kevin Cloutier | 9 years ago BY: Kevin Cloutier
Algebra , Discrete Mathematics , Symbolic Computations , ...
4
REPLIES
10.3K
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

How lack of iterators limits the usefulness of combinatorial enumeration

QUESTION FROM: Szabolcs Horvát | 6 years ago BY: Sander Huisman
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
10.2K
VIEWS

Find the smallest prime number greater than 5000?

QUESTION FROM: Brandon Davis | 9 years ago BY: Brandon Davis
Discrete Mathematics , Mathematics , Wolfram Language
5
REPLIES
10.2K
VIEWS

m*m bijective function

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

Exponent optimization with constrains

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

[?] Obtain the FFT of a wave form?

QUESTION FROM: Muhammad Afzal | 8 years ago BY: Muhammad Afzal
Discrete Mathematics , Mathematics , Wavelets and Fourier Series , ...
2
REPLIES
10K
VIEWS

Import a matrix stored in a text file?

QUESTION FROM: Jamie Dixson | 6 years ago BY: Jamie Dixson
Discrete Mathematics , Import and Export , Mathematica , ...
4
REPLIES
9.9K
VIEWS

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

QUESTION FROM: xianyao huao | 5 years ago BY: Francesco Lasco
Discrete Mathematics , Wolfram Language
1
REPLIES
9.9K
VIEWS

Deduct by the rules for two schemes?

QUESTION FROM: Math Logic | 6 years ago BY: Math Logic
Discrete Mathematics , Logic and Boolean Algebra , Mathematics , ...
4
REPLIES
9.9K
VIEWS

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

QUESTION FROM: Andrew Watters | 6 years ago BY: Daniel Lichtblau
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
1
REPLIES
9.8K
VIEWS

[NB] Boundaries of the Amplituhedron with amplituhedronBoundaries

QUESTION FROM: Mohammad Bahrami | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Geometry , Mathematica Add-Ons , ...
1
REPLIES
9.8K
VIEWS

An issue with DiscreteConvolve ?

QUESTION FROM: Michael Kilburn | 7 years ago BY: Neil Singer
Discrete Mathematics , Graphics and Visualization , Wolfram Language
11
REPLIES
9.8K
VIEWS

Formatting Output

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

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

QUESTION FROM: John McGee | 6 years ago BY: David Whitten
Discrete Mathematics , Graphics and Visualization , ...
1
REPLIES
9.7K
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

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

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

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

QUESTION FROM: Collin Merenoff | 6 years ago BY: Duncan Pettengill
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
9.4K
VIEWS

Graphing a large set of Pythagorean triples

QUESTION FROM: James Parks | 4 years ago BY: James Parks
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
12
REPLIES
9.4K
VIEWS

Get symbolic expressions for summing sequences?

QUESTION FROM: Thanos Papas | 6 years ago BY: Hans Dolhaine
Discrete Mathematics , Equation Solving , Mathematics , ...
12
REPLIES
9.3K
VIEWS

Transform a graph into the following one?

QUESTION FROM: Rak Univ | 8 years ago BY: Christopher Wolfram
Discrete Mathematics , Graphs and Networks , Mathematics , ...
1
REPLIES
9.3K
VIEWS

Plot the intersection line of multiple 'ListContourPlot3D' surfaces?

QUESTION FROM: Danica Sugic | 9 years ago BY: Danica Sugic
Discrete Mathematics , Graphics and Visualization , Wolfram Language
10
REPLIES
9.3K
VIEWS

Keep showing the function DiscretePlot using Manipulate?

QUESTION FROM: Ghassane Aniba | 8 years ago BY: Jim Baldwin
Discrete Mathematics , Dynamic Interactivity , ...
5
REPLIES
9.3K
VIEWS

Visualization of happy and sad numbers

QUESTION FROM: Anonymous User | 9 years ago BY: Anonymous User
Discrete Mathematics , Graphics and Visualization , ...
11
REPLIES
9.2K
VIEWS

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

QUESTION FROM: Mathman12 Jo | 8 years ago BY: Mathman12 Jo
Discrete Mathematics , Mathematics , Statistics and Probability , ...
3
REPLIES
9K
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

What does the unequal constraint slow down solve so much?

QUESTION FROM: Frank Kampas | 4 years ago BY: carlos aya
Discrete Mathematics , Equation Solving , Mathematics , ...
3
REPLIES
9K
VIEWS

Does a Multisets[] function exist?

QUESTION FROM: Raspi Rascal | 5 years ago BY: Richard Frost
Algebra , Discrete Mathematics , Statistics and Probability , ...
6
REPLIES
9K
VIEWS

A Diophantine Benchmark

QUESTION FROM: Jaime Rangel-Mondragon | 12 years ago BY: Vitaliy Kaurov
Computer-Based Maths , Computer Science , Discrete Mathematics , ...
3
REPLIES
8.9K
VIEWS

Find natural numbers>0 divisible by 37 using FindInstance?

QUESTION FROM: Werner Geiger | 9 years ago BY: Werner Geiger
Discrete Mathematics , Mathematics , Wolfram Language , ...
13
REPLIES
8.9K
VIEWS

ChromaticPolynomial just stop for GridGraph[{7,8}] ?

QUESTION FROM: J S | 6 years ago BY: Licheng Zhang
Algebra , Discrete Mathematics , Graphs and Networks , Mathematics , ...
7
REPLIES
8.9K
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

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

[?] Generate all sequences of n integer that range from 1 to n?

QUESTION FROM: Clément Justin | 8 years ago BY: Henrik Schachner
Algebra , Discrete Mathematics , Mathematics , Wolfram Language
8
REPLIES
8.6K
VIEWS

The inverse of moving from a map to a network topology

QUESTION FROM: Seth Chandler | 7 years ago BY: Szabolcs Horvát
Discrete Mathematics , Geographic Information System , ...
6
REPLIES
8.6K
VIEWS

Revisit IMO 2009 Short List N2

QUESTION FROM: Shenghui Yang | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Mathematics , Wolfram Cloud , ...
1
REPLIES
8.6K
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

Find numbers with the same cross sum (sum of digits)?

QUESTION FROM: Nural I. | 7 years ago BY: Nural I.
Discrete Mathematics , Mathematics , Wolfram|Alpha , Wolfram Language
7
REPLIES
8.6K
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

Strong Graph product between two C_5 graphs?

QUESTION FROM: Alessio Lapolla | 9 years ago BY: Greg Hurst
Discrete Mathematics , Graphs and Networks , Mathematics , Packages , ...
4
REPLIES
8.4K
VIEWS

Multi-vertex version of SetProperty?

QUESTION FROM: Adam Griffith | 12 years ago BY: Charles Pooh
Discrete Mathematics , Graphs and Networks , Mathematica
1
REPLIES
8.3K
VIEWS

Graphs with weight in 2D and 3D

QUESTION FROM: Luc Barthelet | 13 years ago BY: Luc Barthelet
Discrete Mathematics , Graphs and Networks , Mathematica
3
REPLIES
8.2K
VIEWS

Discrete Recurrence

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

Non linear fit help

QUESTION FROM: suvadip mandal | 10 years ago BY: Sean Clarke
Algebra , Discrete Mathematics , Mathematics
6
REPLIES
8.1K
VIEWS
1
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