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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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A graphical solution of two equations is possible. Numerically, too?

QUESTION FROM: Niels Nutzer | 12 years ago BY: Frank Kampas
Algebra , Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
6.7K
VIEWS

Having an Issue with Solve with functions in the equations

QUESTION FROM: Ken Bures | 12 years ago BY: Bill Simpson
Algebra
3
REPLIES
4.9K
VIEWS

Simplification of expression with complex variables

QUESTION FROM: Rodion Stepanov | 12 years ago BY: Rodion Stepanov
Algebra , Calculus , Mathematica , Mathematics , Symbolic Computations
3
REPLIES
13.1K
VIEWS

Reducing cubics

QUESTION FROM: Bruce Torrence | 12 years ago BY: Bruce Torrence
Algebra , Equation Solving , Mathematica , Mathematics
3
REPLIES
8.8K
VIEWS

Advice on Wolfram Products for my website

QUESTION FROM: sihle mgobozi | 12 years ago BY: sihle mgobozi
Algebra , Calculus , Chemistry , Demonstrations , Mathematics , ...
3
REPLIES
18.3K
VIEWS

Does the added notebook reveal a buck in function VectorPlot?

QUESTION FROM: Ulrich Mutze | 1 month ago BY: Gianluca Gorni
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
1K
VIEWS

Why does the result obtained using this method turn out to be incorrect?

QUESTION FROM: Wen Dao | 2 months ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
1K
VIEWS

How to Use FullSimplify to breakdown algebraic expression

QUESTION FROM: James Parkus | 2 months ago BY: James Parkus
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
982
VIEWS

Getting empty plot?

QUESTION FROM: Ehsan Staretud1 | 2 months ago BY: Mariusz Iwaniuk
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
496
VIEWS

About 3D plot and there are some strange white part

QUESTION FROM: lede li | 5 months ago BY: Gianluca Gorni
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
928
VIEWS

Unexpected result in equation elimination from Wolfram Alpha

QUESTION FROM: Ron Hartikka | 6 months ago BY: Ron Hartikka
Algebra , Equation Solving , Mathematics , Wolfram|Alpha
2
REPLIES
1.4K
VIEWS

CylindricalDecomposition doesn't finish the process

QUESTION FROM: Jacob Pavelka | 7 months ago BY: Jacob Pavelka
Algebra , Geometry , Mathematics , Wolfram Language
2
REPLIES
884
VIEWS

Simple exponential expand

QUESTION FROM: Harris Lyr | 7 months ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
2
REPLIES
1.1K
VIEWS

Plot of independent variables of two functions non invertible

QUESTION FROM: Malej Est | 9 months ago BY: Malej Est
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
1.1K
VIEWS

Plotting level curves for orthogonal analytic functions u, and v

QUESTION FROM: Matthew Mawson | 11 months ago BY: Matthew Mawson
Algebra , Graphics and Visualization , Mathematics
2
REPLIES
1.1K
VIEWS

Matrix, the elements of which is a function

QUESTION FROM: Subhajit Paul | 11 months ago BY: Subhajit Paul
Algebra , Mathematics , Wolfram Language
2
REPLIES
965
VIEWS

How to get eigenvalues and vectors for changing parameters in a matrix

QUESTION FROM: Kabeer Munjal | 0 months ago BY: Eric Rimbey
Algebra , Mathematics , Wolfram Language
2
REPLIES
1.3K
VIEWS

Different definitions of Curl?

QUESTION FROM: Otto Linsuain | 0 months ago BY: Otto Linsuain
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.4K
VIEWS

Help needed with 2D Schrödinger equation using discrete Fourier transform and Split-Operator method

QUESTION FROM: Klaus von Bloh | 1 year ago BY: Klaus von Bloh
Algebra , Computer Science , Equation Solving , ...
2
REPLIES
3.1K
VIEWS

Solving a system of equations gives error: not a valid variable

QUESTION FROM: P. Marrone | 1 year ago BY: P. Marrone
Algebra , Know-How , Mathematica , Mathematics
2
REPLIES
1.8K
VIEWS

Unable to state a simple square-well Schrödinger problem: "This system cannot be solved"

QUESTION FROM: Christer Gustafsson | 1 year ago BY: Christer Gustafsson
Algebra , Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
2.2K
VIEWS

Unexpected result computing covariance of complex data matrices?

QUESTION FROM: Carlos Coelho | 1 year ago BY: Jim Baldwin
Algebra , Mathematics , Wolfram Language
2
REPLIES
1.9K
VIEWS

NSolve and FindRoot unable to solve system of trig equations

QUESTION FROM: Alice Wang | 1 year ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
1.8K
VIEWS

How to find the value of f(2023)+f(2024) ?

QUESTION FROM: Lee Tao | 1 year ago BY: Jim Baldwin
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3K
VIEWS

General solution of linear system of equations

QUESTION FROM: Zhenyu Zeng | 1 year ago BY: Zhenyu Zeng
Algebra , Data Science , Equation Solving , Mathematics , ...
2
REPLIES
2.3K
VIEWS

How to eliminate the error FindRoot::lstol?

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Hongyi Zhao
Algebra , Equation Solving , Graphics and Visualization , ...
2
REPLIES
2.6K
VIEWS

Solve takes too long with parametric system

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Hongyi Zhao
Algebra , Equation Solving , High-Performance Computing , ...
2
REPLIES
2.8K
VIEWS

Calculating residue at infinity

QUESTION FROM: Bi Shengfan | 2 years ago BY: Daniel Lichtblau
Algebra , Mathematics
2
REPLIES
2.6K
VIEWS

Finding the zeros and residues of a conformal mapping function

QUESTION FROM: Bi Shengfan | 2 years ago BY: Bi Shengfan
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
1.8K
VIEWS

Assistance with Defining Assumptions for an Array of Symbolic Size

QUESTION FROM: Yuv M | 2 years ago BY: Yuv M
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
1.9K
VIEWS

How to pick/select the coefficients of the same constant from the output of 3 equations

QUESTION FROM: Nomsa Ledwaba | 2 years ago BY: Nomsa Ledwaba
Algebra , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
3.1K
VIEWS

Error solving system of equations: not a quantified system of equations and inequalities

QUESTION FROM: Saroj Dattatreya | 2 years ago BY: Saroj Dattatreya
Algebra , Calculus , Equation Solving , Mathematics , ...
2
REPLIES
2.2K
VIEWS

How can I obtain a solution for this system of equations?

QUESTION FROM: Raquel Salvador | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.5K
VIEWS

Solving an infinite sum of tanh(i*pi/2)/i^5

QUESTION FROM: Julia M | 2 years ago BY: Mariusz Iwaniuk
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.6K
VIEWS

Solve a multi-variable equation for one variable

QUESTION FROM: Zegna Picano | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
2.2K
VIEWS

How would I represent a simple proof in Mathematica, such as x == 2 => x * x == 4?

QUESTION FROM: Janish Suneja | 2 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.8K
VIEWS

Symbolic computation using "Reduce" does not give a result

QUESTION FROM: Lingfei Li | 2 years ago BY: Lingfei Li
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.8K
VIEWS

Matrix power function not working as expected

QUESTION FROM: Ahmad Rufa'i | 2 years ago BY: Ahmad Rufa'i
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.2K
VIEWS

How to keep the specified term unchanged and move other terms to the right of the equation?

QUESTION FROM: Lee Tao | 2 years ago BY: Lee Tao
Algebra , Mathematics , Wolfram Language
2
REPLIES
3K
VIEWS

Why doesn't Wolfram Alpha understand: solve (x^(x^x))=2 for x ?

QUESTION FROM: Soft-Point Matlęga | 2 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram|Alpha
2
REPLIES
3.1K
VIEWS

System of equation involving matrices

QUESTION FROM: Ahmad Rufa'i | 2 years ago BY: Ahmad Rufa'i
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.2K
VIEWS

Using symbolic indices on symbolic vectors?

QUESTION FROM: Jan E | 2 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.5K
VIEWS

Simplify Gamma product using Gauss' formula?

QUESTION FROM: Robert Reynolds | 2 years ago BY: Robert Reynolds
Algebra , Mathematics , Numerical Computation
2
REPLIES
3.9K
VIEWS

Incorrect substitution into fraction

QUESTION FROM: John Muradeli | 2 years ago BY: John Muradeli
Algebra , Mathematics , Wolfram|Alpha
2
REPLIES
2.7K
VIEWS

Not valid input error in Wolfram Alpha?

QUESTION FROM: Aníbal Barca | 2 years ago BY: Aníbal Barca
Algebra , Equation Solving , Mathematics , Wolfram|Alpha , ...
2
REPLIES
3.7K
VIEWS

Help with harmonic addition theorem

QUESTION FROM: ok ok | 2 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.8K
VIEWS

Is ComplexExpand[Abs[]] the most efficient way to compute absolute value

QUESTION FROM: Alex Bailey | 2 years ago BY: Jim Baldwin
Algebra , Mathematics , Wolfram Language
2
REPLIES
4.9K
VIEWS

Help with manipulating trigonometric functions

QUESTION FROM: ok ok | 2 years ago BY: ok ok
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.7K
VIEWS

Best way to solve inequality with multiple parameters

QUESTION FROM: Alex Bailey | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.4K
VIEWS

Unwanted behavior cubic equations with assumptions

QUESTION FROM: Alex Bailey | 2 years ago BY: Alex Bailey
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.6K
VIEWS

How to factor by common factoring?

QUESTION FROM: MICHELA Baroni | 2 years ago BY: Hans Milton
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.2K
VIEWS

Sum containing finite geometric sequence

QUESTION FROM: S P | 2 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.1K
VIEWS

Difference between Sum and NSum?

QUESTION FROM: Indranil Maiti | 2 years ago BY: Indranil Maiti
Algebra , Calculus , Mathematics , Wolfram Language
2
REPLIES
3.2K
VIEWS

Expressing DiracDelta spherical coordinate decomposition identity

QUESTION FROM: James Bowery | 2 years ago BY: James Bowery
Algebra , Mathematics , Wolfram Language
2
REPLIES
4.8K
VIEWS

MatrixPlot not functioning properly for higher 2D dimensions

QUESTION FROM: Doug Beveridge | 2 years ago BY: Daniel Lichtblau
Algebra , Graphics and Visualization , Wolfram Language
2
REPLIES
3.5K
VIEWS

How does the function MatrixExp[A] in Mathmatica works?

QUESTION FROM: Hope Miller | 2 years ago BY: Hope Miller
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.5K
VIEWS

Create the parity transformation matrices

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Eric Rimbey
Algebra , Mathematics , Wolfram Language
2
REPLIES
3K
VIEWS

An issue of Limit with Bessel function

QUESTION FROM: Aki Hiro | 2 years ago BY: Daniel Lichtblau
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
3.2K
VIEWS

Is There an Issue with the LegendreP function?

QUESTION FROM: David Mackay | 2 years ago BY: David Mackay
Algebra , Mathematics , Wolfram Language
2
REPLIES
4.5K
VIEWS

Periodic Boundary conditions do not work

QUESTION FROM: Marc Weinberg | 3 years ago BY: Marc Weinberg
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.9K
VIEWS

DSolve fails to solve Schroedinger equation for Spin-1 particle

QUESTION FROM: Thomas Schoenau | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematica , Physics
2
REPLIES
3.8K
VIEWS

Issues while attempting to implement my own version of FFT

QUESTION FROM: Koen Denekamp | 3 years ago BY: Koen Denekamp
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.5K
VIEWS

Calculate the elementary divisors of a matrix

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , External Programs and Systems , Mathematics , ...
2
REPLIES
3.6K
VIEWS

NSolve gives nothing when solving an equation including erfc function?

QUESTION FROM: Daniel Niu | 3 years ago BY: Daniel Niu
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.4K
VIEWS

Solve equations that involve Mod?

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
2.5K
VIEWS

Use the result of a numerical solution in FindRoot

QUESTION FROM: Pierre Sens | 3 years ago BY: Pierre Sens
Algebra , Equation Solving , Optimization , Mathematics , ...
2
REPLIES
3.1K
VIEWS

Closed form solving for parameters of exponential

QUESTION FROM: Pino Savana | 3 years ago BY: Pino Savana
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.3K
VIEWS

Unexpected result from FindRoot

QUESTION FROM: Chenghua Deng | 3 years ago BY: Chenghua Deng
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.2K
VIEWS

Possible solutions in range for Inequality with multiple variables

QUESTION FROM: Rob D | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.8K
VIEWS

NDSolve error: Equation or list of equations expected

QUESTION FROM: Md Taj | 3 years ago BY: Md Taj
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.9K
VIEWS

Calculate generalized eigenvector using Jordan normal form.

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
2
REPLIES
3.2K
VIEWS

How to simplify an expression through variable substitution?

QUESTION FROM: Chenjia Zhang | 3 years ago BY: Bill Nelson
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.5K
VIEWS

Precision of numerical series value in Wolfram|Alpha

QUESTION FROM: Yuri Artamonov | 3 years ago BY: Yuri Artamonov
Algebra , Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
3.1K
VIEWS

Break ParallelTable once a valid result is obtained.

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Equation Solving , High-Performance Computing , ...
2
REPLIES
2.7K
VIEWS

About the norm determination algorithm used by Eigenvectors[ ]

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.4K
VIEWS

Composite function does not work as expected

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.7K
VIEWS

Optimize the efficiency of outer product when generating group elements

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Group Theory , Mathematics , Wolfram Language
2
REPLIES
3.1K
VIEWS

Unexpected number of solutions from Solve with system of equations?

QUESTION FROM: Jürgen Kanz | 3 years ago BY: Jürgen Kanz
Algebra , Equation Solving , Mathematics , Wolfram Engine , ...
2
REPLIES
4.2K
VIEWS

Different numerical equation results between Mathematica and Wolfram|Alpha

QUESTION FROM: Chenghua Deng | 3 years ago BY: Chenghua Deng
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.4K
VIEWS

How do I get filled closed B-splines with discrete weights?

QUESTION FROM: Claudio Argento | 3 years ago BY: J. M.
Algebra , Graphics and Visualization , Wolfram Language
2
REPLIES
6.2K
VIEWS

Discovering symbolic square roots?

QUESTION FROM: Yaroslav Bulatov | 3 years ago BY: Yaroslav Bulatov
Algebra , Mathematica , Wolfram Language
2
REPLIES
6.3K
VIEWS

Speeding up Boussinesq equations solving?

QUESTION FROM: Lion Sahara | 3 years ago BY: Lion Sahara
Algebra , Equation Solving , Geometry , Mathematics , Modeling , ...
2
REPLIES
3.6K
VIEWS

How to convert the hypergeometric function solution to a Bessel's solution?

QUESTION FROM: KRISHAN SHARMA | 3 years ago BY: KRISHAN SHARMA
Algebra , Calculus , Mathematics , Wolfram Language
2
REPLIES
4.7K
VIEWS

Wolfram|Alpha displays only one integer root out of infinity

QUESTION FROM: Seojune Kim | 3 years ago BY: Seojune Kim
Algebra , Equation Solving , Wolfram|Alpha
2
REPLIES
3.3K
VIEWS

HornerForm doesn't produce expected form?

QUESTION FROM: Leslaw Bieniasz | 3 years ago BY: Jim Baldwin
Algebra , Mathematics , Wolfram Language
2
REPLIES
4.4K
VIEWS

How to obtain 3x3 matrices as output from the computation of 2x2 matrices

QUESTION FROM: Nomsa Ledwaba | 3 years ago BY: Nomsa Ledwaba
Algebra , Mathematics , Wolfram Language
2
REPLIES
5.5K
VIEWS

Finding linear mapping between two matrices

QUESTION FROM: Gozde USTUN | 3 years ago BY: Gozde USTUN
Algebra , Mathematics , Wolfram Language
2
REPLIES
3K
VIEWS

How to write X= (A->B) V C in Wolfram|Alpha?

QUESTION FROM: Joe Weber | 3 years ago BY: Joe Weber
Algebra , Mathematics , Wolfram|Alpha
2
REPLIES
3.6K
VIEWS

Rearrange function's terms to prove it is nonnegative?

QUESTION FROM: criterion lover | 3 years ago BY: criterion lover
Algebra , Calculus , Mathematics , Wolfram Language
2
REPLIES
2.5K
VIEWS

Difference quotient solution: numeric value instead of variable

QUESTION FROM: Winslow K | 3 years ago BY: Eric Rimbey
Algebra , Mathematics , Wolfram Language
2
REPLIES
3.3K
VIEWS

FindRoot with Integration does not give results?

QUESTION FROM: Zee Khan | 3 years ago BY: Zee Khan
Algebra , Calculus , Equation Solving , Mathematics , ...
2
REPLIES
3.9K
VIEWS

Compute the prime implicants of a Boolean function?

QUESTION FROM: Francisco Gutierrez | 3 years ago BY: Francisco Gutierrez
Algebra , Logic and Boolean Algebra , Mathematics , Wolfram Language
2
REPLIES
4.9K
VIEWS

Help with operations with vectors and quaternions?(solved)

QUESTION FROM: J Decker | 3 years ago BY: J Decker
Algebra , Geometry , Graphics and Visualization , Mathematics , ...
2
REPLIES
3.5K
VIEWS

Move prefactor inside radical

QUESTION FROM: Steven Kaptein | 3 years ago BY: Steven Kaptein
Algebra , Symbolic Computations , Wolfram Language
2
REPLIES
3.3K
VIEWS

BesselK interpretation in Wolfram Alpha?

QUESTION FROM: Martin H. | 3 years ago BY: Martin H.
Algebra , Mathematics , Wolfram|Alpha
2
REPLIES
3.9K
VIEWS

Using TrigExpand to expand inside another function

QUESTION FROM: Steven Kaptein | 3 years ago BY: Steven Kaptein
Algebra , Calculus , Symbolic Computations , Wolfram Language
2
REPLIES
3.8K
VIEWS

Solve goes into infinite loop, when solving a quadratic equation system

QUESTION FROM: Ralph Trenkler | 4 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
5.3K
VIEWS

Why does Arg[z] remains unsolved while extracting Real & Imaginary Parts?

QUESTION FROM: Aslam Kittur | 4 years ago BY: Aslam Kittur
Algebra , Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
4.3K
VIEWS

Solving for value inside matrix

QUESTION FROM: Kaylea Anderson | 4 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
4.3K
VIEWS

Piecewise function evaluation and Plot too slow

QUESTION FROM: Andre Luiz Rocha Alves | 4 years ago BY: Andre Luiz Rocha Alves
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
3.1K
VIEWS
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