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Factoring and decomposition, polynomial division, equation and inequality solving and reducing, visualizations of curves, surfaces, and regions...

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Force to replace the derivatives of a function with given expression?

QUESTION FROM: Clément Justin | 8 years ago BY: Gianluca Gorni
Algebra , Calculus , Mathematics , Wolfram Language
7
REPLIES
13.4K
VIEWS

Factorize a polynomial such as x^2-5x-8 ?

QUESTION FROM: Ray Lawicki | 9 years ago BY: Ray Lawicki
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
8.3K
VIEWS

Reuse the solutions {(x==-6&&y==-7)... in the other formula?

QUESTION FROM: Mutatis Mutandis | 9 years ago BY: Gianluca Gorni
Algebra , Mathematics , Symbolic Computations , Wolfram Language
7
REPLIES
6.1K
VIEWS

Separation of a rational fraction

QUESTION FROM: Adrien Guyader | 9 years ago BY: Adrien Guyader
Algebra , Mathematics , Wolfram Language
7
REPLIES
5.1K
VIEWS

Existence Values. Useful? Practical? At least interesting?

CONTRIBUTED BY: Matthew Knipfer | 9 years ago BY: Matthew Knipfer
Algebra , Calculus , Mathematics
7
REPLIES
6.5K
VIEWS

A rule such that x+x^2/.x->0 gives x^2

QUESTION FROM: Eric Johnstone | 10 years ago BY: Eric Johnstone
Algebra , Wolfram Language
7
REPLIES
5.6K
VIEWS

Desired behavior of Collect[]

QUESTION FROM: Konstantin Nosov | 10 years ago BY: Eric Johnstone
Algebra , Mathematics , Symbolic Computations , Wolfram Language
7
REPLIES
7K
VIEWS

built a MATRIX from 2 vector out

QUESTION FROM: Mutatis Mutandis | 10 years ago BY: Mutatis Mutandis
Algebra , Wolfram Language
7
REPLIES
5K
VIEWS

How to cast polynomial in terms of powers of multiple variables

QUESTION FROM: Al Guy | 10 years ago BY: Simon Cadrin
Algebra , Mathematica , Wolfram Language
7
REPLIES
5.4K
VIEWS

When is f negative?

QUESTION FROM: Cara Vay | 10 years ago BY: Udo Krause
Algebra , Equation Solving , Wolfram Language
7
REPLIES
9.5K
VIEWS

Problem for diagonalisation of a complex 6*6 matrix

QUESTION FROM: Jonathan Da Silva | 10 years ago BY: Michael Helmle
Algebra , Mathematica , Numerical Computation , Wolfram Language
7
REPLIES
11.7K
VIEWS

How to declare larger Matrix?

QUESTION FROM: Ulrich Hauser | 10 years ago BY: Marco Thiel
Algebra , Mathematica , Software Development , Wolfram Language
7
REPLIES
6.3K
VIEWS

Function parameters - without evaluation.

QUESTION FROM: Priyan Fernando | 10 years ago BY: Priyan Fernando
Algebra , Mathematica , Wolfram Language
7
REPLIES
8.7K
VIEWS

How to use Wolfram Alpha Pro?? It keeps giving me wrong answers.

QUESTION FROM: Ambi J | 11 years ago BY: Ambi J
Algebra , Wolfram|Alpha
7
REPLIES
18.1K
VIEWS

How would I solve this

QUESTION FROM: Anonymous User | 11 years ago BY: Udo Krause
Algebra , Mathematica , Wolfram Language
7
REPLIES
2.8K
VIEWS

How do I find out if something will stabilize as it approaches infinity?

QUESTION FROM: Rebecca Wostbrock | 11 years ago BY: David Keith
Algebra , Calculus , Wolfram Language
7
REPLIES
4.7K
VIEWS

Can anybody post result of provided input to Mathematica?

QUESTION FROM: Andrew Zabavnikov | 12 years ago BY: Shenghui Yang
Algebra , Mathematica , Mathematics
7
REPLIES
6.5K
VIEWS

Separating variables *a* and *b* in a transcendental equation

QUESTION FROM: Wen Dao | 1 month ago BY: Wen Dao
Algebra , Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
961
VIEWS

Collatz conjecture visualizations

CONTRIBUTED BY: Anton Antonov | 3 months ago BY: Paul Abbott
Staff Picks , Algebra , Dynamic Interactivity , ...
6
REPLIES
1.7K
VIEWS

Checking whether Hessian matrix of a function is positive semidefinite on a hypercube

QUESTION FROM: Amir A. | 4 months ago BY: Amir A.
Algebra , Mathematics , Wolfram Language
6
REPLIES
1.1K
VIEWS

The roots of a mathematical expression

QUESTION FROM: Yahely Levy | 6 months ago BY: Khayahsi Obasi
Algebra , Equation Solving , Mathematics , Wolfram|Alpha
6
REPLIES
2.2K
VIEWS

Matrix inverse using singular value decomposition

QUESTION FROM: Charles Elliott | 8 months ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
6
REPLIES
1.4K
VIEWS

Proof of correctness for FindInstace

QUESTION FROM: Dan Feldman | 9 months ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram Language
6
REPLIES
1.5K
VIEWS

How to get a simple system of recursion equations to give output?

QUESTION FROM: Iuval Clejan | 10 months ago BY: Iuval Clejan
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
2.1K
VIEWS

Solving system of equations gives empty output, but gives result when reduced

QUESTION FROM: Panron Ryan | 11 months ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
13.7K
VIEWS

MatrixSymbol simplifications

QUESTION FROM: Eric Michielssen | 11 months ago BY: Jose Martin-Garcia
Algebra , Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
2.6K
VIEWS

Help solving a cubic equation with a parameter

QUESTION FROM: Jackie cao | 1 year ago BY: Updating Name
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
2K
VIEWS

Limit of algebraic polynomial roots: playing around with randomness and algebraic numbers

CONTRIBUTED BY: David Moore | 1 year ago BY: Vitaliy Kaurov
Staff Picks , Algebra , Graphics and Visualization , Mathematics , ...
6
REPLIES
17.3K
VIEWS

Solving nonlinear equation with integrals and beta functions

QUESTION FROM: Muhammad Fahem Bin Musa | 1 year ago BY: Bill Nelson
Algebra , Calculus , Equation Solving , Mathematics , ...
6
REPLIES
2K
VIEWS

Accessing matrix elements and evaluating terms multiplied by zero

QUESTION FROM: Arun KG | 1 year ago BY: Arun KG
Algebra , Mathematics , Wolfram Language
6
REPLIES
3.1K
VIEWS

Table of NSolve (and Solve) solutions creates extra unknown answers

QUESTION FROM: Ilan Riess | 1 year ago BY: Ilan Riess
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
2.2K
VIEWS

Unable to Simplify non-commutative Expression Further

QUESTION FROM: Hongyi Zhao | 1 year ago BY: Mauricio de Oliveira
Algebra , Mathematics , Wolfram Language
6
REPLIES
4K
VIEWS

Plot with and without `Table` produce different results

QUESTION FROM: Ian P | 2 years ago BY: Updating Name
Algebra , Calculus , Equation Solving , Graphics and Visualization , ...
6
REPLIES
2.6K
VIEWS

Infinite expression 1/0 encountered when evaluating a non-singular polynomial

QUESTION FROM: Mathias Gschwendtner | 2 years ago BY: Mathias Gschwendtner
Algebra , Mathematics , Wolfram Language
6
REPLIES
3.9K
VIEWS

Integer inside [] is unexpectedly changed to a machine-precision real number

QUESTION FROM: Aki Hiro | 2 years ago BY: Aki Hiro
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
3.2K
VIEWS

What method is there to retrieve which quantity to replace and complete factorization?

QUESTION FROM: Lee Tao | 2 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
6
REPLIES
3.4K
VIEWS

How to improve the accuracy of FindRoot or NDSolveValue at extreme conditions in my equation system?

QUESTION FROM: Mikoto Misaka | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Graphics and Visualization , ...
6
REPLIES
4.8K
VIEWS

Cut wood to minimize loss

QUESTION FROM: Nicholas Kormanik | 2 years ago BY: Nicholas Kormanik
Algebra , Optimization , Mathematics , Wolfram Language
6
REPLIES
4.3K
VIEWS

Different results from two equal functions?

QUESTION FROM: Leon Fairbanks | 2 years ago BY: Leon Fairbanks
Algebra , Mathematics , Wolfram Language
6
REPLIES
3.5K
VIEWS

Inverse[] Slows 1000x by selecting Method in larger systems

QUESTION FROM: Neal Maroney | 2 years ago BY: Neal Maroney
Algebra , Mathematics , Tuning and Debugging , Wolfram Language
6
REPLIES
3.9K
VIEWS

The fragility of an incomplete monetary union

CONTRIBUTED BY: Jamel Saadaoui | 2 years ago BY: Jamel Saadaoui
Staff Picks , Algebra , Economics , Equation Solving , ...
6
REPLIES
6.4K
VIEWS

Wolfram Alpha Pro takes too long to solve a sum problem

QUESTION FROM: Chris Bianchi | 2 years ago BY: Chris Bianchi
Algebra , Mathematics , Wolfram|Alpha
6
REPLIES
5.3K
VIEWS

Checking the method used by NSolve

QUESTION FROM: Rua Sulaiman | 2 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
3.1K
VIEWS

No output from Solve[ ]?

QUESTION FROM: Jay Gourley | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
8.2K
VIEWS

Finding all solutions of the system of equations

QUESTION FROM: Sinval Santos | 3 years ago BY: Sinval Santos
Algebra , Equation Solving , Graphics and Visualization , ...
6
REPLIES
3.1K
VIEWS

Testing for vector equivalence

QUESTION FROM: Ted Bartlett | 3 years ago BY: Eric Rimbey
Algebra , Mathematics , Wolfram Language
6
REPLIES
3.8K
VIEWS

Determine a rational matrix with rational variables

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
6
REPLIES
3.3K
VIEWS

Polynomial fit for recursion

QUESTION FROM: Daniel Boyce | 3 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram Language
6
REPLIES
3.2K
VIEWS

Regarding solving a polynomial: gives empty output

QUESTION FROM: Neetasha Arya | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
3K
VIEWS

A simple quadratic equation cannot be solved?

QUESTION FROM: Werner Geiger | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Tuning and Debugging , ...
6
REPLIES
5K
VIEWS
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