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Fast algorithm to obtain prime numbers and some pseudoprimes

CONTRIBUTED BY: Sebastian Martin Ruiz | 6 years ago BY: Koichi Ohno
Algebra , Discrete Mathematics , Mathematics , Wolfram Language
1
REPLIES
7.9K
VIEWS

Symmetric Angle Doubling Formulas for JacobiSN | CN | DN .

CONTRIBUTED BY: Brad Klee | 6 years ago BY: J. M.
Algebra , Calculus , Discrete Mathematics , Geometry , Mathematics , ...
1
REPLIES
7.1K
VIEWS

Inverse of a (m,m)-Matrix whose elements are (n,n)-Matrices

CONTRIBUTED BY: Hans Dolhaine | 6 years ago BY: Hans Dolhaine
Algebra , Mathematics , Physics , Wolfram Language
1
REPLIES
7.9K
VIEWS

Reduce or Solve for symbolic equations?

QUESTION FROM: Anna Ebert | 6 years ago BY: Hans Dolhaine
Algebra , Calculus , Equation Solving , Mathematics , ...
1
REPLIES
4.1K
VIEWS

Help me for solve the Eq Error in IBC

QUESTION FROM: Erfan Permanoon | 6 years ago BY: Mariusz Iwaniuk
Algebra , Equation Solving , Wolfram Language
1
REPLIES
4.5K
VIEWS

[?] Gaussian elimination in integers mod p in W|A?

QUESTION FROM: Hunter Vallejos | 6 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram|Alpha , Wolfram Language
1
REPLIES
4.7K
VIEWS

Solve this equation with partial fractions?

QUESTION FROM: alie rainh | 6 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
4.3K
VIEWS

Eliminate one variable from an equation using other equations?

QUESTION FROM: Alex Shetler | 6 years ago BY: EDITORIAL BOARD
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
3.5K
VIEWS

Use the Dirac function in an integral calculation?

QUESTION FROM: V? Ng?c Vi?t Hoàng | 7 years ago BY: Rohit Namjoshi
Algebra , Calculus , Discrete Mathematics , Equation Solving , ...
1
REPLIES
5.2K
VIEWS

The Octagonal Dodecahedron

CONTRIBUTED BY: Ed Pegg | 7 years ago BY: EDITORIAL BOARD
Staff Picks , 3D Printing , Algebra , Discrete Mathematics , ...
1
REPLIES
15.4K
VIEWS

Decouple the following equations?

QUESTION FROM: Mirza Farrukh Baig | 7 years ago BY: Michael Helmle
Algebra , Calculus , Equation Solving , Mathematics , ...
1
REPLIES
8.8K
VIEWS

The Delian Brick and other 3D self-similar dissections

CONTRIBUTED BY: Ed Pegg | 7 years ago BY: EDITORIAL BOARD
Staff Picks , 3D Printing , Algebra , Discrete Mathematics , ...
1
REPLIES
16.9K
VIEWS

Compute Nonzero components of a matrix in Mathematica

QUESTION FROM: Ray Hernandez | 7 years ago BY: Kyle Martin
Algebra , Mathematics , Wolfram Language
1
REPLIES
7K
VIEWS

Convert the following expression into a determinant?

QUESTION FROM: Todor Latev | 7 years ago BY: Frank Kampas
Algebra , Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
6.5K
VIEWS

Get area under curve?

QUESTION FROM: Bryan Badillo | 7 years ago BY: Mariusz Iwaniuk
Algebra , Calculus , Mathematics , Wolfram Language
1
REPLIES
9.2K
VIEWS

A perfect similar rectangle dissection

CONTRIBUTED BY: Ed Pegg | 7 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Demonstrations , Discrete Mathematics , ...
1
REPLIES
13.8K
VIEWS

[?] Get right eigenvalues from a sparse matrix?

QUESTION FROM: xiaohua miao | 7 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
4.4K
VIEWS

For Pi Day: Volume=3.141 -- The Canonical Tetragonal Antiwedge Hexahedron

CONTRIBUTED BY: Ed Pegg | 7 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Discrete Mathematics , Geometry , ...
1
REPLIES
16.3K
VIEWS

Check if all roots of a polynomial have been found using Root?

QUESTION FROM: Steven Rodriguez | 7 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
4K
VIEWS

[?] Define an algebra via generators?

QUESTION FROM: V. Dupoy | 7 years ago BY: Todd Rowland
Algebra , Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
7.1K
VIEWS

Define a solution of equation as the integration limit?

QUESTION FROM: Yonggang Luo | 8 years ago BY: Claude Mante
Algebra , Calculus , Equation Solving , Mathematics , ...
1
REPLIES
5.9K
VIEWS

Solve a complicated simultaneous equation with the trigonometric terms?

QUESTION FROM: Ping-Chen Tsai | 8 years ago BY: Frank Kampas
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
4.5K
VIEWS

How is Dot product implemented in Mathematica?

QUESTION FROM: Sandu Ursu | 8 years ago BY: Daniel Lichtblau
Algebra , Mathematica , Mathematics , Wolfram Language
1
REPLIES
9.6K
VIEWS

indefinite sum definition

QUESTION FROM: Qing Lu | 8 years ago BY: Gianluca Gorni
Algebra , Calculus , Wolfram Language
1
REPLIES
4.9K
VIEWS

Proof algorithm for composite cases of A269254

CONTRIBUTED BY: Brad Klee | 8 years ago BY: Brad Klee
Algebra , Computer-Based Maths , Discrete Mathematics , Mathematics , ...
1
REPLIES
8.6K
VIEWS

Lines of 4 points and 3 degrees above zero

CONTRIBUTED BY: Ed Pegg | 8 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Discrete Mathematics , Geometry , ...
1
REPLIES
12.4K
VIEWS

Write the command for this recursive formula?

QUESTION FROM: Zhehao Zhang | 8 years ago BY: Zhehao Zhang
Algebra , Calculus , Mathematics , Symbolic Computations , ...
1
REPLIES
6.9K
VIEWS

Avoid wrong results while using SystemModeler Complex Product Block?

QUESTION FROM: Daniel Frew | 8 years ago BY: Otto Tronarp
Algebra , Mathematics , SystemModeler
1
REPLIES
8.6K
VIEWS

Block diagonalization of a Square matrix by Orthogonal transformation?

QUESTION FROM: Dee Kay | 8 years ago BY: EDITORIAL BOARD
Algebra , Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
4.4K
VIEWS

[?] Algorithm used by the function NIntegrate over a specific region?

QUESTION FROM: Anderson Almeida | 8 years ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
4.8K
VIEWS

[?] Exchange the order of integral and summation?

QUESTION FROM: Zhehao Zhang | 8 years ago BY: Gianluca Gorni
Algebra , Calculus , Mathematics , Wolfram Language
1
REPLIES
5K
VIEWS

Avoid problems with Dynamic Updating?

QUESTION FROM: Riccardo Lombardi | 8 years ago BY: Sander Huisman
Algebra , Dynamic Interactivity , Graphics and Visualization , ...
1
REPLIES
7K
VIEWS

Computational introduction to logarithms

CONTRIBUTED BY: Bill Gosper | 8 years ago BY: Sander Huisman
Staff Picks , Algebra , Calculus , Computer-Based Maths , ...
1
REPLIES
13.9K
VIEWS

Calculate the following products with W|A app on a phone device?

QUESTION FROM: Patrik Horvath | 8 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Symbolic Computations , Wolfram|Alpha , ...
1
REPLIES
8.2K
VIEWS

Solve a linear system M x = S ?

QUESTION FROM: Francesco Ciardiello | 8 years ago BY: Daniel Lichtblau
Algebra , Calculus , Equation Solving , Symbolic Computations , ...
1
REPLIES
5.5K
VIEWS

Solve this equation and what and where the variable "W" is here?

QUESTION FROM: Laura Baker | 8 years ago BY: Sander Huisman
Algebra , Equation Solving , Mathematics , Wolfram|Alpha , ...
1
REPLIES
5.2K
VIEWS

Solve this system of equations?

QUESTION FROM: Raymond Low | 8 years ago BY: Vitaliy Kaurov
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
6.9K
VIEWS

Simplification of an expression

QUESTION FROM: Omar Alsuhaimi | 8 years ago BY: Gianluca Gorni
Algebra , Mathematics
1
REPLIES
6K
VIEWS

Convert sum of Sin[] or Cos[] to product?

QUESTION FROM: Cesar Lozada | 9 years ago BY: Yehuda Ben-Shimol
Algebra , Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
7.1K
VIEWS

Equation of plane through a point parallel to a plane

CONTRIBUTED BY: Neil Singer | 9 years ago BY: David Keith
Algebra , Geometry , Graphics and Visualization , Know-How , ...
1
REPLIES
10.4K
VIEWS

Sum components of a vector in Wolfram|Alpha?

QUESTION FROM: pi tao | 9 years ago BY: Valeriu Ungureanu
Algebra , Mathematics , Wolfram|Alpha
1
REPLIES
7.8K
VIEWS

Is it possible to see the steps of TrigFactor, Simplify, and others?

QUESTION FROM: Douglas Kubler | 9 years ago BY: Sander Huisman
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
6.1K
VIEWS

Reduce a complex number expression into its form a+bi?

QUESTION FROM: Lucas Zanella | 9 years ago BY: EDITORIAL BOARD
Algebra , Mathematics , Wolfram|Alpha
1
REPLIES
5K
VIEWS

Double-check a step-by-step solution?

QUESTION FROM: pascal gallant | 9 years ago BY: Shenghui Yang
Algebra , Calculus , Equation Solving , Mathematics , Wolfram|Alpha
1
REPLIES
5K
VIEWS

Simplify negative powers of ComplexInfinity?

QUESTION FROM: Å Brännström | 9 years ago BY: Udo Krause
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
6.1K
VIEWS

Checking the sign of an equation?

QUESTION FROM: fabian queisner | 9 years ago BY: Marco Thiel
Algebra , Calculus , Mathematics , Symbolic Computations , ...
1
REPLIES
4K
VIEWS

Do Lampshades Create Hyperbolic Shadows?

CONTRIBUTED BY: Christopher Grattoni | 9 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Geometry , Graphics and Visualization , ...
1
REPLIES
11.7K
VIEWS

Work with bras and kets with the Wolfram Language?

QUESTION FROM: Jason Spalding | 9 years ago BY: Udo Krause
Algebra , Mathematics , Packages , Physics , Wolfram Language
1
REPLIES
8.6K
VIEWS

Inverse of a Fourier matrix

QUESTION FROM: Ananda Suresh | 9 years ago BY: Bill Simpson
Algebra , Mathematics , Symbolic Computations , ...
1
REPLIES
8.1K
VIEWS

Control Simplify[ ] outputs?

QUESTION FROM: Francois Hurter | 9 years ago BY: Sean Clarke
Algebra , Mathematics , Wolfram Language
1
REPLIES
4.5K
VIEWS

How does Mathematica order roots?

QUESTION FROM: Cédric Cavents | 9 years ago BY: John Doty
Algebra , Calculus , Mathematica , Mathematics , Wolfram Language
1
REPLIES
8.8K
VIEWS

DNF (disjunctive normal form) of a formula in W|A

QUESTION FROM: Rathernot Say | 9 years ago BY: Daniel Lichtblau
Algebra , Logic and Boolean Algebra , Wolfram|Alpha
1
REPLIES
8.2K
VIEWS

Interpreting Root Objects

QUESTION FROM: Cédric Cavents | 9 years ago BY: Bill Simpson
Algebra , Calculus , Mathematics , Symbolic Computations , ...
1
REPLIES
6.5K
VIEWS

Function fit / equation solving for given values

QUESTION FROM: Joshua Thomas | 9 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
2.8K
VIEWS

Symbolically solve a 2012 CMO problem

CONTRIBUTED BY: Shenghui Yang | 9 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Know-How , Mathematics , ...
1
REPLIES
11.2K
VIEWS

Showing steps in simplification?

QUESTION FROM: Nico Adamo | 9 years ago BY: Sean Clarke
Algebra , Equation Solving , Mathematics , ...
1
REPLIES
19.1K
VIEWS

Unable to Solve a System of Linear Equations with Wolfram|Alpha

QUESTION FROM: Karthik Prakhya | 9 years ago BY: Jofre Espigule-Pons
Algebra , Equation Solving , Wolfram|Alpha , Wolfram Language
1
REPLIES
5.8K
VIEWS

How to Invert functions with same input variables?

QUESTION FROM: Ajay Goyal | 9 years ago BY: Gianluca Gorni
Algebra , Data Science , Economics , Education , Engineering , ...
1
REPLIES
8.8K
VIEWS

How can I group constants/parameters using Mathematica?

QUESTION FROM: konrad K.B. | 9 years ago BY: Eric Johnstone
Algebra , Wolfram Language
1
REPLIES
7.6K
VIEWS

Why does this equation give different result than the alternate form?

QUESTION FROM: Zlej Týpek | 9 years ago BY: Udo Krause
Algebra , Wolfram|Alpha
1
REPLIES
10.8K
VIEWS

Assign a value to a symbolic matrix?

QUESTION FROM: Mohsen Rezaee | 10 years ago BY: David Keith
Algebra , Mathematics , Wolfram Language
1
REPLIES
7.6K
VIEWS

Non linear algebric equations

QUESTION FROM: Leonardo Melone | 10 years ago BY: Frank Kampas
Algebra , Mathematica
1
REPLIES
3.7K
VIEWS

Elimination of 3 equations

QUESTION FROM: Jakob Obi | 10 years ago BY: Bill Simpson
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
4.2K
VIEWS

How do I display an index below a variable?

QUESTION FROM: Sebastian van Wickern | 10 years ago BY: Sean Clarke
Algebra , Calculus , Equation Solving
1
REPLIES
18.3K
VIEWS

Finding Helicopter Airspeed

QUESTION FROM: David Jacobs | 10 years ago BY: Sean Clarke
Algebra , Calculus , Equation Solving , Mathematics
1
REPLIES
4.3K
VIEWS

A special linear equation's effect on the MRB constant

CONTRIBUTED BY: Marvin Ray Burns A.G.S. (cum laude) | 10 years ago BY: Marvin Ray Burns A.G.S. (cum laude)
Algebra , Numerical Computation
1
REPLIES
5.5K
VIEWS

How can i make FullSimplify work nice with Mod ?

QUESTION FROM: ggnkhh | 10 years ago BY: Sean Clarke
Algebra , Equation Solving , Wolfram Language
1
REPLIES
4K
VIEWS

How to make logical tests for general function expressions

QUESTION FROM: Claude Dax | 10 years ago BY: Bill Simpson
Algebra , Calculus , Equation Solving , Logic and Boolean Algebra , ...
1
REPLIES
10.2K
VIEWS

How to factor out a more complicated expression?

QUESTION FROM: Stanislav Iablokov | 10 years ago BY: Jim Baldwin
Algebra , Mathematica , Optimization , Mathematics , Physics , ...
1
REPLIES
5.8K
VIEWS

Single Fraction Form

QUESTION FROM: Xuinkr Bin | 10 years ago BY: Xuinkr Bin
Algebra , Mathematica , Mathematics , Symbolic Computations
1
REPLIES
6K
VIEWS

Matrix lower triangular

QUESTION FROM: Only Me | 10 years ago BY: Sean Clarke
Algebra , Wolfram Language
1
REPLIES
3.5K
VIEWS

Problem with simultaneous equations

QUESTION FROM: Angel Rodríguez Mendoza | 10 years ago BY: Bill Simpson
Algebra , Mathematica , Mathematics
1
REPLIES
4.4K
VIEWS

Creating a forumla

QUESTION FROM: Daniel Tietz | 10 years ago BY: Simon Cadrin
Algebra , Mathematics
1
REPLIES
4.9K
VIEWS

How can I code manipulate-plot a sequence with complex answer ?

QUESTION FROM: Kiavosh Peynabard | 10 years ago BY: S M Blinder
Algebra , Calculus , Dynamic Interactivity , Wolfram Language
1
REPLIES
6.4K
VIEWS

How to solve this DAE ?

QUESTION FROM: Jie Li | 10 years ago BY: Bill Simpson
Algebra , Engineering , Mathematica
1
REPLIES
7.2K
VIEWS

Solve[ ] behaviour in Mathematica inconsistent with Wolfram Alpha?

QUESTION FROM: Joachim Rose | 10 years ago BY: Udo Krause
Algebra , Equation Solving , Mathematica , Wolfram|Alpha , ...
1
REPLIES
15.5K
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

Why is tan^-1(tan 10pi/11) = -pi/11 ?

QUESTION FROM: K M | 10 years ago BY: Gianluca Gorni
Algebra
1
REPLIES
8.3K
VIEWS

Simplifying expressions with Abs

QUESTION FROM: N DP | 10 years ago BY: N DP
Algebra , Logic and Boolean Algebra , Wolfram Language
1
REPLIES
8.9K
VIEWS

Creating a single col matrix

QUESTION FROM: Muzahoo jee | 10 years ago BY: Udo Krause
Algebra , Mathematics , Wolfram Language
1
REPLIES
6.6K
VIEWS

Plot Range not working

QUESTION FROM: Musashi Koyama | 10 years ago BY: Marco Thiel
Algebra , Computational Systems , Mathematica
1
REPLIES
10.4K
VIEWS

Solve[] with an Integral

QUESTION FROM: Greg | 10 years ago BY: Marco Thiel
Algebra , Calculus , Mathematica , Wolfram Language
1
REPLIES
7.1K
VIEWS

How do I balance an equation using WolframAlpha?

QUESTION FROM: Dylan Waters | 10 years ago BY: Sean Clarke
Algebra , Equation Solving , Units
1
REPLIES
5.9K
VIEWS

Solve::ivar: -1+5 x is not a valid variable.

QUESTION FROM: Mher Hovhannisyan | 10 years ago BY: Gianluca Gorni
Algebra , Wolfram Language
1
REPLIES
14K
VIEWS

Ideas for a final project for a Software Engineering class

QUESTION FROM: Camilo Pacheco | 10 years ago BY: Udo Krause
Algebra , Astronomy , Biological Sciences , Calculus , ...
1
REPLIES
11.6K
VIEWS

Did I write this wrong? Just trying to isolate a variable, Wolfram stumped!

QUESTION FROM: Eric Shierman | 10 years ago BY: Daniel Lichtblau
Algebra , Wolfram|Alpha
1
REPLIES
17.7K
VIEWS

I wish to create a function returns a binomial and initializes an integer

QUESTION FROM: jethro holcroft | 10 years ago BY: Nasser M. Abbasi
Algebra , Numerical Computation , Wolfram Language
1
REPLIES
6.4K
VIEWS

Could some one help breaking the steps for finding the diffenrece quotient?

QUESTION FROM: Daniel Salinas | 10 years ago BY: Nasser M. Abbasi
Algebra , Wolfram Language
1
REPLIES
4.9K
VIEWS

help with this problem, I need generate a list with the function table

QUESTION FROM: Camilo Pacheco | 10 years ago BY: David Keith
Algebra , Mathematica , Wolfram Language
1
REPLIES
5.6K
VIEWS

using function Abs on complex number

QUESTION FROM: jason gao | 10 years ago BY: Francisco Rodríguez
Algebra , Mathematica , Wolfram Language
1
REPLIES
11.4K
VIEWS

Symbolic Solution to a System of Non-linear Equations

QUESTION FROM: Hossein Hosseini | 10 years ago BY: Sean Clarke
Algebra , Wolfram Language
1
REPLIES
9.2K
VIEWS

Help with linear transformation of R^3

QUESTION FROM: Ani Petreska | 10 years ago BY: Alexey Podchufarov
Algebra , Mathematics , Wolfram Language
1
REPLIES
7.5K
VIEWS

Is there a way to represent Knuth's up-arrow notation in Wolfram|Alpha?

QUESTION FROM: James Counterman | 11 years ago BY: Ilian Gachevski
Algebra , Mathematica , User Interface , Wolfram|Alpha
1
REPLIES
21.7K
VIEWS

How to find all values given variable properties? AKA formula guessing

QUESTION FROM: Gabriel Canto | 11 years ago BY: Daniel Lichtblau
Algebra , Calculus , Equation Solving , Mathematics , Wolfram|Alpha
1
REPLIES
9.7K
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
10.6K
VIEWS

A Linear Algebra History Question?

QUESTION FROM: Douglas Youvan | 11 years ago BY: Daniel Lichtblau
Algebra , Numerical Computation , Software Development
1
REPLIES
5.9K
VIEWS

Convert root to coordinate form

QUESTION FROM: Niklas VM | 11 years ago BY: Gianluca Gorni
Algebra , Dynamic Interactivity , Mathematica , Wolfram Language
1
REPLIES
4K
VIEWS

Please URGENT subscript help! (On google chrome)

QUESTION FROM: Alex Veselinovic | 11 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram|Alpha , ...
1
REPLIES
16.8K
VIEWS

How would you find the equation on mathematica

QUESTION FROM: Anonymous User | 11 years ago BY: Marco Thiel
Algebra , Equation Solving , Geometry , Mathematica , Wolfram Language
1
REPLIES
3.7K
VIEWS

How exactly would you do this on mathematica

QUESTION FROM: Anonymous User | 11 years ago BY: Shenghui Yang
Algebra , Mathematica , Wolfram Language
1
REPLIES
2.2K
VIEWS
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