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Define and solve formula syntax problem

QUESTION FROM: Karl S | 5 years ago BY: Rohit Namjoshi
Algebra , Equation Solving , Numerical Computation , Physics , ...
7
REPLIES
4.2K
VIEWS

Unravelling the edge spectra of non-Hermitian Chern insulators

CONTRIBUTED BY: James Bartlett | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Equation Solving , ...
1
REPLIES
4.2K
VIEWS

Numerical solutions for an equation with variable parameters?

QUESTION FROM: Heitor Silva | 6 years ago BY: Hans Dolhaine
Algebra , Calculus , Equation Solving , Mathematics , ...
3
REPLIES
4.2K
VIEWS

Geometric and Algebraic Representations of Vectors

CONTRIBUTED BY: Athanasios Paraskevopoulos | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Education , Geometry , ...
1
REPLIES
4.2K
VIEWS

Problem with using AllReplace at equation solutions

QUESTION FROM: P. Marrone | 2 years ago BY: Ankit Kantheti
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
4.2K
VIEWS

How to share functions between notebooks?

QUESTION FROM: J Decker | 4 years ago BY: Rohit Namjoshi
Algebra , Mathematics , Presentation and Notebooks , Wolfram Language
1
REPLIES
4.2K
VIEWS

How can i make FullSimplify work nice with Mod ?

QUESTION FROM: ggnkhh | 11 years ago BY: Sean Clarke
Algebra , Equation Solving , Wolfram Language
1
REPLIES
4.2K
VIEWS

Conditioned UnitStep functions and Minimax/Nash-equilibrum/ZeroSumGame

QUESTION FROM: Steve Meier | 11 years ago
Algebra , Calculus , Mathematica , Optimization , Mathematics , ...
0
REPLIES
4.2K
VIEWS

Plotting solutions to an equation for varying parameter value produces empty graphs

QUESTION FROM: Ian P | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Graphics and Visualization , ...
11
REPLIES
4.2K
VIEWS

Theoretical questions about Solve[ ] for polynomial systems

QUESTION FROM: Jason Shu | 5 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.2K
VIEWS

Solving non-linear equations: no methods available error

QUESTION FROM: Gerd-Rüdiger Jaenisch | 5 years ago BY: Mariusz Iwaniuk
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
4.2K
VIEWS

Convert root to coordinate form

QUESTION FROM: Niklas VM | 12 years ago BY: Gianluca Gorni
Algebra , Dynamic Interactivity , Mathematica , Wolfram Language
1
REPLIES
4.2K
VIEWS

Matrix solver is not working?

QUESTION FROM: Samuel MS | 5 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
4.2K
VIEWS

Solving system of implicit functions: solution satisfies one equation

QUESTION FROM: Guangye Cao | 5 years ago BY: Rohit Namjoshi
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
4.2K
VIEWS

Fourier Transform operation does not agree with Wolfram Mathworld page

QUESTION FROM: James Richardson | 11 years ago BY: James Richardson
Algebra , Calculus , Mathematics , Wolfram Language
4
REPLIES
4.2K
VIEWS

Calculate the unitary irreducible representation of a matrix group.

QUESTION FROM: Hongyi Zhao | 4 years ago BY: Hans Dolhaine
Algebra , Group Theory , Mathematics , Wolfram Language
1
REPLIES
4.2K
VIEWS

Curious about the behaviour of KarhunenLoeveDecomposition

QUESTION FROM: Jaime de la Mota | 5 years ago
Algebra , Mathematics , Statistics and Probability , Wolfram Language
0
REPLIES
4.2K
VIEWS

Isolating coefficients from a long exponential function

QUESTION FROM: Ser Man | 3 years ago BY: Ser Man
Algebra , Calculus , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
4.2K
VIEWS

Using TrigExpand to expand inside another function

QUESTION FROM: Steven Kaptein | 4 years ago BY: Steven Kaptein
Algebra , Calculus , Symbolic Computations , Wolfram Language
2
REPLIES
4.2K
VIEWS

Finding the root of a messy function

QUESTION FROM: spidey jj | 6 years ago BY: spidey jj
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.2K
VIEWS

Not valid input error in Wolfram Alpha?

QUESTION FROM: Aníbal Barca | 3 years ago BY: Aníbal Barca
Algebra , Equation Solving , Mathematics , Wolfram|Alpha , ...
2
REPLIES
4.2K
VIEWS

nxn Cartan matrices as representations of groups reduced by an 2xn polygon

CONTRIBUTED BY: Roger L. Bagula | 4 years ago BY: Ed Pegg
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
4.1K
VIEWS

Substituting exponents in an expression with a constant

QUESTION FROM: R S | 12 years ago BY: Sean Clarke
Algebra
1
REPLIES
4.1K
VIEWS

I would simply like to refine output so that x*y also equals a square

QUESTION FROM: Piers Newberry | 13 years ago BY: Piers Newberry
Algebra , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
4.1K
VIEWS

Calculate a piecewise function?

QUESTION FROM: Hidde Lansink | 6 years ago BY: Hidde Lansink
Algebra , Calculus , Mathematics , Wolfram Language
2
REPLIES
4.1K
VIEWS

Unexpected result from Simplify?

QUESTION FROM: Waulu S | 4 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.1K
VIEWS

Extracting a list from each nxn matrix from a set of matrices

QUESTION FROM: Nomsa Ledwaba | 4 years ago BY: Eric Rimbey
Algebra , Mathematics , Wolfram Language
5
REPLIES
4.1K
VIEWS

How to enter equation while specifying terms?

QUESTION FROM: Paul K | 5 years ago BY: Rohit Namjoshi
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
4.1K
VIEWS

Wolfram Alpha doesnt show steps?

QUESTION FROM: Dennis Koleda | 7 years ago
Algebra , Calculus , Wolfram Language
0
REPLIES
4.1K
VIEWS

Using NDSolve with CUDA

QUESTION FROM: Nelson Amorim | 12 years ago
Algebra , Equation Solving , High-Performance Computing , Modeling , ...
0
REPLIES
4.1K
VIEWS

Find the maximums of the following functions?

QUESTION FROM: Sanghoon Cho | 8 years ago
Algebra , Calculus , Equation Solving , Optimization , Mathematics , ...
0
REPLIES
4.1K
VIEWS

Custom function is not working

QUESTION FROM: Indranil Maiti | 4 years ago BY: Indranil Maiti
Algebra , Mathematics , Wolfram Language
8
REPLIES
4.1K
VIEWS

How can I set a condition for when FindRoot cannot find a solution?

QUESTION FROM: Archie Watts-Farmer | 6 years ago
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
4.1K
VIEWS

Abs of product with FullSimplify and assumptions not simplifying

QUESTION FROM: Siddhesh Ambhire | 6 years ago BY: Siddhesh Ambhire
Algebra , Mathematics , Wolfram Language
2
REPLIES
4.1K
VIEWS

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

QUESTION FROM: Klaus von Bloh | 2 years ago BY: Klaus von Bloh
Algebra , Computer Science , Equation Solving , ...
2
REPLIES
4.1K
VIEWS

A bug or not in Equation solver?

QUESTION FROM: Daqing Li | 6 years ago BY: Daqing Li
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
4.1K
VIEWS

Deriving a matrix from a given matrix equation

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
8
REPLIES
4.1K
VIEWS

Solve error: not quantified system

QUESTION FROM: Cornel B. | 3 years ago BY: Cornel B.
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
4.1K
VIEWS

Plotting an expression where one of the parameters is satisfying a different equation

QUESTION FROM: Debojyoti Mondal | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Graphics and Visualization , ...
7
REPLIES
4.1K
VIEWS

Plot functions and their guide function images into same coordinate system

QUESTION FROM: Lee Tao | 5 years ago BY: Lee Tao
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
7
REPLIES
4.1K
VIEWS

Matrix subtraction not working as it should

QUESTION FROM: Saim Ehtesham Ali | 3 years ago BY: Saim Ehtesham Ali
Algebra , Mathematics , Wolfram Language
5
REPLIES
4.1K
VIEWS

TensorScript - Writing tensors component in Mathematica

CONTRIBUTED BY: Thales Fernandes | 9 years ago
Algebra , Calculus , Computer Science , Engineering , Mathematica , ...
0
REPLIES
4.1K
VIEWS

Simplification of absolute value

QUESTION FROM: Steven Kaptein | 4 years ago BY: Steven Kaptein
Algebra , Calculus , Symbolic Computations , Wolfram Language
4
REPLIES
4.1K
VIEWS

Plotting functions that have constants and variables

QUESTION FROM: Myunghyun Jeong | 6 years ago BY: Hans Dolhaine
Algebra , Calculus , Equation Solving , Graphics and Visualization , ...
1
REPLIES
4.1K
VIEWS

Are the eigenvectors calculated by Mathematica miscalculated?

QUESTION FROM: Sthen Sdfs | 4 years ago BY: Michael Rogers
Algebra , Mathematica , Mathematics , Wolfram Language
3
REPLIES
4.1K
VIEWS

Error solving system of differential equations

QUESTION FROM: Maksim Ritutnev | 5 years ago BY: Neil Singer
Algebra , Calculus , Equation Solving , Mathematica , Mathematics , ...
1
REPLIES
4.1K
VIEWS

Normalizing the wavefunction and plotting it gives error TerminatedEvaluation["RecursionLimit"]

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Graphics and Visualization , ...
5
REPLIES
4K
VIEWS

User-defined assignment is ignored in large Table[ ] computation

QUESTION FROM: Martin Guttmann | 5 years ago BY: Rohit Namjoshi
Algebra , Mathematica , Mathematics , Wolfram Language
3
REPLIES
4K
VIEWS

Why both Wolfram Alpha and Wolfram Cloud don't simplify below BBP type sum, which I came up with?

QUESTION FROM: Alexander Povolotsky | 3 years ago BY: Alexander Povolotsky
Algebra , Mathematics , Wolfram|Alpha , Wolfram Cloud , ...
4
REPLIES
4K
VIEWS

[BOOK] Parameterizing Regular Quadratic Surface Intersection Curves

CONTRIBUTED BY: Barry H Dayton | 2 years ago BY: Barry H Dayton
Staff Picks , Algebra , Equation Solving , Geometry , ...
2
REPLIES
4K
VIEWS

[BOOK] A numerical approach to real algebraic curves: normal forms of complex projective cubics

CONTRIBUTED BY: Barry H Dayton | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Authoring and Publishing , Education , ...
1
REPLIES
4K
VIEWS

Solving system of equations works on V7 but not V12?

QUESTION FROM: James Shaw | 5 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
4K
VIEWS

Numerically 2026 is unremarkable yet happy: semiprime with primitive roots

CONTRIBUTED BY: Anton Antonov | 2 months ago BY: Srinivasa Raghava
Staff Picks , Algebra , Discrete Mathematics , ...
7
REPLIES
4K
VIEWS

Unwanted behavior cubic equations with assumptions

QUESTION FROM: Alex Bailey | 3 years ago BY: Alex Bailey
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
4K
VIEWS

MatrixPlot not functioning properly for higher 2D dimensions

QUESTION FROM: Doug Beveridge | 3 years ago BY: Daniel Lichtblau
Algebra , Graphics and Visualization , Wolfram Language
2
REPLIES
4K
VIEWS

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

QUESTION FROM: Lee Tao | 3 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
6
REPLIES
4K
VIEWS

How to simplify an expression through variable substitution?

QUESTION FROM: Chenjia Zhang | 4 years ago BY: Bill Nelson
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
4K
VIEWS

Find final value of ODE system - LaplaceTransform or DSolve??

QUESTION FROM: Frank N | 11 years ago
Algebra , Equation Solving , Mathematica
0
REPLIES
4K
VIEWS

How to put Wolfram|Alpha output in a Block

QUESTION FROM: Aditya Srivastav | 5 years ago BY: Rohit Namjoshi
Algebra , Wolfram|Alpha , Wolfram Language
1
REPLIES
4K
VIEWS

What is a quadratic matrix to the 0th power?

QUESTION FROM: Raspi Rascal | 6 years ago BY: Raspi Rascal
Algebra , Mathematics , Wolfram Language
2
REPLIES
4K
VIEWS

Help with operations with vectors and quaternions?(solved)

QUESTION FROM: J Decker | 4 years ago BY: J Decker
Algebra , Geometry , Graphics and Visualization , Mathematics , ...
2
REPLIES
4K
VIEWS

numeric computation of maxima of a function

QUESTION FROM: ralf rueckriemen | 12 years ago BY: Frank Kampas
Algebra , Mathematica , Numerical Computation , Wolfram Language
1
REPLIES
4K
VIEWS

Linear Transformation on R3 (examples)

QUESTION FROM: Ani Petreska | 11 years ago
Algebra , Mathematica , Wolfram Language
0
REPLIES
4K
VIEWS

Compute 2π periodic the Fourier series or coefficients, sine-cosine form

QUESTION FROM: hugo cardona | 6 years ago
Algebra , Mathematics , Wavelets and Fourier Series , Wolfram Language
0
REPLIES
4K
VIEWS

Using existing conditions to simplify the certain part of polynomial

QUESTION FROM: Lingfei Li | 3 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
3
REPLIES
4K
VIEWS

Using Mathematica to generalize Alpha Finance formula for fair LP pricing

CONTRIBUTED BY: Hugo Kussaba | 4 years ago
Algebra , Blockchain , Economics , Finance , Mathematics , ...
0
REPLIES
4K
VIEWS

Good afternoon! If...

QUESTION FROM: Anton Sumerin | 6 years ago BY: Anton Sumerin
Algebra , Wolfram|Alpha , Wolfram Language
2
REPLIES
4K
VIEWS

Equilibrium Points of a system of nonlinear equations (Symbolic Solution)

QUESTION FROM: Burhanuddin Safi | 3 years ago BY: Burhanuddin Safi
Algebra , Control Systems , Equation Solving , Mathematics , ...
4
REPLIES
4K
VIEWS

Different results from two equal functions?

QUESTION FROM: Leon Fairbanks | 3 years ago BY: Leon Fairbanks
Algebra , Mathematics , Wolfram Language
6
REPLIES
4K
VIEWS

[?] Solve equation and find x for y=0, 0.2, 0.4,.......,1.4?

QUESTION FROM: PRASAD PUTTASWAMY | 7 years ago BY: PRASAD PUTTASWAMY
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
4K
VIEWS

solve an equation with multiple variables

QUESTION FROM: Bashar Fatahalla | 12 years ago BY: Bashar Fatahalla
Algebra , Mathematica , Wolfram Language
3
REPLIES
4K
VIEWS

Calculate the elementary divisors of a matrix

QUESTION FROM: Hongyi Zhao | 4 years ago BY: Hongyi Zhao
Algebra , External Programs and Systems , Mathematics , ...
2
REPLIES
4K
VIEWS

Digit precision with N command when working with machine precision numbers

QUESTION FROM: Daniel Solis | 12 years ago BY: Daniel Solis
Algebra , Mathematica , Wolfram Language
3
REPLIES
4K
VIEWS

Speeding up Boussinesq equations solving?

QUESTION FROM: Lion Sahara | 4 years ago BY: Lion Sahara
Algebra , Equation Solving , Geometry , Mathematics , Modeling , ...
2
REPLIES
3.9K
VIEWS

How can I extract part of a function from NDSolve?

QUESTION FROM: Bryan Foo | 4 years ago BY: Bryan Foo
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
3.9K
VIEWS

[BOOK] A numerical approach to real algebraic curves: the normal form for complex projective conics

CONTRIBUTED BY: Barry H Dayton | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Geometry , Graphics and Visualization , ...
1
REPLIES
3.9K
VIEWS

Genetic Engineering — construction of a network of arbitrary dimension with periodic attractor

CONTRIBUTED BY: Inna Samuilik | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Engineering , Graphics and Visualization , ...
1
REPLIES
3.9K
VIEWS

Solve::nsmet: This system cannot be solved

QUESTION FROM: Fabián Quiñones | 3 years ago BY: Fabián Quiñones
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
3.9K
VIEWS

Computations of prime-representing constants

CONTRIBUTED BY: Kota Saito | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Mathematics , Publication Materials , ...
1
REPLIES
3.9K
VIEWS

Find the transformation matrix which transforms the lattice to its standard basis

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Daniel Lichtblau
Algebra , Group Theory , Mathematics , Wolfram Language
3
REPLIES
3.9K
VIEWS

Non linear algebric equations

QUESTION FROM: Leonardo Melone | 11 years ago BY: Frank Kampas
Algebra , Mathematica
1
REPLIES
3.9K
VIEWS

NSolve gives correct solution after splitting real and imaginary equations

QUESTION FROM: Bert Aerts | 3 years ago BY: Bert Aerts
Algebra , Equation Solving , Graphics and Visualization , ...
1
REPLIES
3.9K
VIEWS

Error solving inequality: no methods in Solve?

QUESTION FROM: Jonathan Wooldridge | 5 years ago BY: Jonathan Wooldridge
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.9K
VIEWS

Calculating the series development of 1/(1-2^(1-s))

QUESTION FROM: Chris Bianchi | 3 years ago BY: Henrik Schachner
Algebra , Mathematics , Wolfram|Alpha , Wolfram Language
4
REPLIES
3.9K
VIEWS

Error using Solve[ ] for an equation?

QUESTION FROM: mahdi safarbali | 5 years ago BY: mahdi safarbali
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
3.9K
VIEWS

Loop solving an equation?

QUESTION FROM: KRISHAN SHARMA | 5 years ago BY: KRISHAN SHARMA
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.9K
VIEWS

An introduction to aliquot sequences

CONTRIBUTED BY: William Munizzi | 2 years ago BY: Vitaliy Kaurov
Staff Picks , Algebra , Computer-Based Maths , ...
2
REPLIES
3.9K
VIEWS

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

QUESTION FROM: Joe Weber | 4 years ago BY: Joe Weber
Algebra , Mathematics , Wolfram|Alpha
2
REPLIES
3.9K
VIEWS

Best way to solve inequality with multiple parameters

QUESTION FROM: Alex Bailey | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.8K
VIEWS

How would you find the equation on mathematica

QUESTION FROM: Anonymous User | 12 years ago BY: Marco Thiel
Algebra , Equation Solving , Geometry , Mathematica , Wolfram Language
1
REPLIES
3.8K
VIEWS

Tropical Algebra (MinPlus/MaxPlus)

QUESTION FROM: Ahmad Rufa'i | 3 years ago BY: Ahmad Rufa'i
Algebra , Mathematics , Wolfram Language
4
REPLIES
3.8K
VIEWS

How do I get Exp[x + y] to be transformed into Exp[x] * Exp[y]?

QUESTION FROM: Craig Richmond | 12 years ago BY: Craig Richmond
Algebra , Wolfram Language
3
REPLIES
3.8K
VIEWS

Replacing symbols with numbers in a system of linear equations

QUESTION FROM: Afarin Kbz | 6 years ago BY: Rohit Namjoshi
Algebra , Calculus , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
3.8K
VIEWS

The error of dot product between two matrices

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
7
REPLIES
3.8K
VIEWS

Templex: A bridge between homologies and templates for chaotic attractors

CONTRIBUTED BY: Denisse Sciamarella | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computational Systems , Graphs and Networks , ...
1
REPLIES
3.8K
VIEWS

How can I match the result of an equation with a previous known result

QUESTION FROM: Luis Felipe Massena Misiec | 5 years ago BY: Rohit Namjoshi
Algebra , Mathematics , Wolfram Language
3
REPLIES
3.8K
VIEWS

Understanding the computations applied to a square matrix

QUESTION FROM: Baymax Hamada | 4 years ago BY: Nikolay Shilov
Algebra , Mathematics , Wolfram Language
1
REPLIES
3.8K
VIEWS

Ploting LegendreP gets abruptly noisy for larger numbers?

QUESTION FROM: major son | 5 years ago BY: major son
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
3.8K
VIEWS

Unexpected output of Minors[ ] of a matrix

CONTRIBUTED BY: Sonal Dahiya | 3 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram Language
5
REPLIES
3.8K
VIEWS

NSolve gives nothing when solving an equation including erfc function?

QUESTION FROM: Daniel Niu | 4 years ago BY: Daniel Niu
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.8K
VIEWS
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