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Staff Picks

Gravity train dynamics in a tunnel through the Earth

CONTRIBUTED BY: Akram Masoud | 18 hours ago BY: Ed Pegg
3
REPLIES
106
VIEWS

Temperature determination from concentration data for series reactions in a batch reactor

CONTRIBUTED BY: Housam Binous | 1 day ago BY: EDITORIAL BOARD
1
REPLIES
49
VIEWS

Neural net classifier for polynomial graph recognition and audio sine/triangle wave

CONTRIBUTED BY: Carlo Réan | 1 day ago BY: EDITORIAL BOARD
1
REPLIES
96
VIEWS
All Discussions

How to make a selected expression like a variable name all uppercase?

QUESTION FROM: Peter Burbery | 2 years ago
User Interface , Wolfram Language
0
REPLIES
1.4K
VIEWS

More than one ruliad in Wolfram Physics Project?

QUESTION FROM: Nodu Agga | 2 years ago
Wolfram Fundamental Physics Project
0
REPLIES
2.8K
VIEWS

ChatGPT can presents Mathematica Object Oriented Codes still unseen

CONTRIBUTED BY: Hirokazu Kobayashi | 2 years ago BY: EDITORIAL BOARD
Computational Linguistics , Computer Science , Data Science , ...
3
REPLIES
7.7K
VIEWS

What is pure rolling in Formula Data?

QUESTION FROM: Peter Burbery | 2 years ago BY: Rohit Namjoshi
Curated Data , Physics , Wolfram Language
1
REPLIES
2.5K
VIEWS

Keyboard shortcut tip Ctrl+Shift+Enter and other tips

CONTRIBUTED BY: Peter Burbery | 2 years ago
Wolfram Language
0
REPLIES
1.3K
VIEWS

Counting operators in Effective Field Theories

CONTRIBUTED BY: Jonáš Dujava | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Group Theory , High-Performance Computing , ...
1
REPLIES
3.5K
VIEWS

How to make an expression evaluate in cloud deployed function?

QUESTION FROM: Peter Burbery | 2 years ago BY: Rohit Namjoshi
Physics , Units , Wolfram Cloud , Wolfram Language
1
REPLIES
2.5K
VIEWS

How to find the moment of inertia of a symbolic octahedron at an angle?

QUESTION FROM: Peter Burbery | 2 years ago BY: Roland Franzius
Geometry , Mathematics , Wolfram Language
1
REPLIES
2.5K
VIEWS

The Collatz conjecture: An investigation using infinite integer sequences.

CONTRIBUTED BY: Keith Stendall | 2 years ago
Algebra , Dynamic Interactivity , Graphics and Visualization , ...
0
REPLIES
2K
VIEWS

Generalization of the Galilei- and Lorentz-transformations

CONTRIBUTED BY: Oliver Seipel | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Equation Solving , Graphics and Visualization , ...
1
REPLIES
4.1K
VIEWS

How to check expressions for symbolic equality?

QUESTION FROM: W T | 2 years ago BY: Eric Rimbey
Mathematics , Symbolic Computations , Wolfram|Alpha , Wolfram Language
8
REPLIES
10.6K
VIEWS

Is Wolfram Siri-ous about AI?

QUESTION FROM: Jonathan Kinlay | 2 years ago BY: EDITORIAL BOARD
Computational Linguistics , Computer Science , Data Science , ...
6
REPLIES
7.4K
VIEWS

3D animated postcard of a Christmas tree with snow

CONTRIBUTED BY: David Balandra | 2 years ago BY: David Balandra
Staff Picks , Computational Humanities , Geometry , ...
3
REPLIES
6.8K
VIEWS

How to find all classes that FormulaData is organized into?

QUESTION FROM: Peter Burbery | 2 years ago BY: Peter Burbery
Curated Data , Wolfram Language
4
REPLIES
2.4K
VIEWS

Solution for equation that models a car on a banked curve?

QUESTION FROM: Peter Burbery | 2 years ago BY: Mariusz Iwaniuk
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
3.2K
VIEWS

Creating a Yes/No dialog?

QUESTION FROM: Paul Newton | 2 years ago BY: Paul Newton
Interface Construction , Wolfram Language
6
REPLIES
4.5K
VIEWS

Quantum error-correction and magic state distillation

CONTRIBUTED BY: William Munizzi | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Computational Systems , Discrete Mathematics , ...
1
REPLIES
5.1K
VIEWS

Calculation of "Ricci rotation coefficients" OR "Spin connections"

QUESTION FROM: Chandrachur Chakraborty | 2 years ago BY: Chandrachur Chakraborty
Astronomy , Calculus , Mathematics , Physics , Wolfram Language
2
REPLIES
4K
VIEWS

Erf[2] returns Erf[2] but Erf[2.0] 0.995322

QUESTION FROM: Gijsbert Wiesenekker | 2 years ago BY: Sander Huisman
Mathematics , Statistics and Probability , Wolfram Language
1
REPLIES
3.7K
VIEWS

Converts degrees Celcius to Kelvins without prompting

QUESTION FROM: Sinval Santos | 2 years ago BY: Sinval Santos
Units , Wolfram Language
15
REPLIES
5K
VIEWS

Summation over the roots of the Zeta function in the critical strip

CONTRIBUTED BY: Oliver Seipel | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Calculus , Computer-Based Maths , ...
1
REPLIES
4K
VIEWS

How to solve overdetermined system of nonlinear ODEs?

QUESTION FROM: Burhanuddin Safi | 2 years ago BY: Burhanuddin Safi
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
4.2K
VIEWS

Uniform Circular Motion exercises in Giancoli Physics

CONTRIBUTED BY: Peter Burbery | 2 years ago
Graphics and Visualization , Physics , Wolfram Language
0
REPLIES
1.2K
VIEWS

Trying to add a legend when using CombinePlots

QUESTION FROM: Paul Newton | 2 years ago BY: Paul Newton
Graphics and Visualization , Wolfram Language
2
REPLIES
4.1K
VIEWS

Left-associativity of division operator `$/$' not always used in WA

QUESTION FROM: Markus Scheuer | 2 years ago
Algebra , Mathematics , Wolfram|Alpha
0
REPLIES
1.8K
VIEWS

Showing two plots on the same axes

QUESTION FROM: Paul Newton | 2 years ago BY: Paul Newton
Graphics and Visualization , Wolfram Language
3
REPLIES
3.6K
VIEWS

How extract elements from data table and recode into zero and one

QUESTION FROM: Nik Fadzly N Rosely | 2 years ago BY: Nik Fadzly N Rosely
Data Science , Wolfram Language
2
REPLIES
2.8K
VIEWS

MSet doesn't work in the package Matlink

QUESTION FROM: Pooya Azizi | 2 years ago
External Programs and Systems , Mathematica , Packages , ...
0
REPLIES
1.7K
VIEWS

Solve an non-homogeneous system of equations mod Z (integers)

QUESTION FROM: Hongyi Zhao | 1 year ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram Language
29
REPLIES
8.6K
VIEWS

Modifying certian levels in arrays of ImagePyramids

QUESTION FROM: Richard Savage | 2 years ago BY: Richard Savage
Image Processing , Wolfram Language
6
REPLIES
3.1K
VIEWS

I created an API that computes the ISO week-numbered year week date

CONTRIBUTED BY: Peter Burbery | 2 years ago
Curated Data , Units , Wolfram Language
0
REPLIES
1.6K
VIEWS

How to conditionally execute several lines of code?

QUESTION FROM: Paul Newton | 2 years ago BY: Paul Newton
Wolfram Language
10
REPLIES
4.2K
VIEWS

If you type out the fullform of an expression are parentheses unnecessary?

QUESTION FROM: Peter Burbery | 3 years ago BY: Eric Rimbey
Wolfram Language
1
REPLIES
1.8K
VIEWS

Intro to event-driven programming: hard square collisions

CONTRIBUTED BY: Brad Klee | 2 years ago BY: Brad Klee
Staff Picks , Geometry , Graphics and Visualization , Mathematics , ...
2
REPLIES
5.5K
VIEWS

Slider bar range in Manipulate?

QUESTION FROM: Alan White | 3 years ago BY: Alan White
Dynamic Interactivity , Graphics and Visualization , Wolfram Language
5
REPLIES
3.5K
VIEWS

Integrate function yielding two different answers

QUESTION FROM: Tim Kirkpatrick | 2 years ago BY: Tim Kirkpatrick
Calculus , Mathematics , Wolfram Language
8
REPLIES
4.4K
VIEWS

Angle between two complex 2-vectors

CONTRIBUTED BY: Brad Klee | 3 years ago BY: Brad Klee
Staff Picks , Algebra , Mathematics , Wolfram Language
2
REPLIES
5K
VIEWS

How do I post a very simple Mathematica notebook to WR to publish?

QUESTION FROM: Greg Parker | 2 years ago BY: Greg Parker
Mathematics , Wolfram Function Repository , Wolfram Language
3
REPLIES
3.3K
VIEWS

Disabling System Cache (not ClearSystemCache)

QUESTION FROM: Troy Wahl | 3 years ago BY: Troy Wahl
Mathematica , Symbolic Computations , Tuning and Debugging , ...
3
REPLIES
3.9K
VIEWS

Angles and Distances in Astronomy

CONTRIBUTED BY: Peter Burbery | 3 years ago
Astronomy , Curated Data , Physics , Units , Wolfram Language
0
REPLIES
1.7K
VIEWS

How to use OneIdentity with f and NestList[f,x,10]?

QUESTION FROM: Peter Burbery | 2 years ago BY: Ted Ersek
Wolfram Language
2
REPLIES
2.2K
VIEWS

How to verify a statement about the position of Moon?

QUESTION FROM: Peter Burbery | 3 years ago BY: Peter Burbery
Astronomy , Curated Data , Wolfram Language
2
REPLIES
3.4K
VIEWS

Can One Mathematically Model A Revolving Wing Like In This VAWT?

QUESTION FROM: Ahmad Al-Masri | 3 years ago
Engineering , Modeling , Physics , Wolfram Language
0
REPLIES
1.5K
VIEWS

Exploring equations in System Modeler

CONTRIBUTED BY: Ankit Naik | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Engineering , Equation Solving , Know-How , ...
1
REPLIES
6.3K
VIEWS

ColorSetter inner margins in version 13.2

QUESTION FROM: Martijn Froeling | 2 years ago BY: Martijn Froeling
Graphics and Visualization , Wolfram Language
5
REPLIES
3.7K
VIEWS

An Inquiry into Positions and Businesses that Use Wolfram Technologies

QUESTION FROM: Austin Moore | 3 years ago
Jobs & More Exchange , Wolfram|Alpha , Wolfram Language
0
REPLIES
3.9K
VIEWS

How to use Goto function

QUESTION FROM: Shion Arita | 3 years ago BY: Shion Arita
Wolfram Language
5
REPLIES
3.9K
VIEWS

[WELP21] Analyzing bias in media

CONTRIBUTED BY: Wolfram Education Programs | 3 years ago
Staff Picks , Computational Linguistics , Data Science , ...
0
REPLIES
3.9K
VIEWS

What is the benefit of using formal variables?

QUESTION FROM: Peter Burbery | 3 years ago BY: Henrik Schachner
Mathematics , Wolfram Function Repository , Wolfram Language
2
REPLIES
3.3K
VIEWS

How to delete cases of complex numbers with a four point parabola?

QUESTION FROM: Peter Burbery | 3 years ago BY: Peter Burbery
Mathematics , Wolfram Language
2
REPLIES
1.8K
VIEWS

Creating a table of integrals with Inactive[Integrate]

CONTRIBUTED BY: Peter Burbery | 3 years ago
Calculus , Computer-Based Maths , Education , Mathematics , ...
0
REPLIES
1.2K
VIEWS

Quantifying survivorship bias in an equity universe

CONTRIBUTED BY: Jonathan Kinlay | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Curated Data , Data Science , Finance , Wolfram Language
1
REPLIES
4.7K
VIEWS

How to convert results from DominantColors function over multiple images?

QUESTION FROM: Nik Fadzly N Rosely | 3 years ago BY: Rohit Namjoshi
Graphics and Visualization , Image Processing , Import and Export , ...
3
REPLIES
3.4K
VIEWS

Dividing a square into similar but unequal pieces

CONTRIBUTED BY: Ed Pegg | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Equation Solving , Graphics and Visualization , ...
2
REPLIES
6.7K
VIEWS

Amplitude and phase of a Fourier-transformed image

CONTRIBUTED BY: Markus van | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Graphics and Visualization , Image Processing , ...
1
REPLIES
4.6K
VIEWS

Working through implicit differentiation exercises

CONTRIBUTED BY: Peter Burbery | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Education , Equation Solving , ...
1
REPLIES
4.2K
VIEWS

Partial differential equations in Wolfram|Alpha

QUESTION FROM: Athanasios Paraskevopoulos | 3 years ago
Calculus , Equation Solving , Mathematics , Wolfram|Alpha
0
REPLIES
1.2K
VIEWS

Geometrical features associated with cluster of 30 cubes

CONTRIBUTED BY: Sandor Kabai | 3 years ago
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
0
REPLIES
1K
VIEWS

Pentagonal art template related to rhombic hexecontahedron

CONTRIBUTED BY: Sandor Kabai | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Computational Humanities , Geometry , ...
1
REPLIES
3.7K
VIEWS

Imperative vs functional style code of Euler's method for ODEs

CONTRIBUTED BY: Eric Rimbey | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Computer Science , Equation Solving , ...
1
REPLIES
5.1K
VIEWS

Expressing a mathematical equation as music

CONTRIBUTED BY: Samikshaa Natarajan | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Audio, Sound and Music , Computational Humanities , ...
1
REPLIES
10.7K
VIEWS

How to make a true false question?

QUESTION FROM: Peter Burbery | 3 years ago BY: Eric Rimbey
Interface Construction , Physics , Wolfram Language
1
REPLIES
2.5K
VIEWS

Changing the font size of a notebook?

QUESTION FROM: Claude Mante | 2 years ago BY: Roland Franzius
Accessibility , Presentation and Notebooks , User Interface , ...
1
REPLIES
4.5K
VIEWS

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

CONTRIBUTED BY: Roger L. Bagula | 3 years ago BY: Ed Pegg
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
3.7K
VIEWS

Make 2023 with math: PowerMod[7, 7, 7!] = 2023. Your turn!

CONTRIBUTED BY: Ed Pegg | 2 years ago BY: Richard Andrews
Staff Picks , Challenges , Computer-Based Maths , Events & Media , ...
13
REPLIES
17.8K
VIEWS

12 polar zonohedra on dodecahedron faces

CONTRIBUTED BY: Sandor Kabai | 3 years ago
Demonstrations , Dynamic Interactivity , Geometry , ...
0
REPLIES
1.2K
VIEWS

What is the correct way to create an animation in parallel using NDSolve?

QUESTION FROM: Jonathan Aumann | 2 years ago BY: Jonathan Aumann
Calculus , Equation Solving , Graphics and Visualization , ...
3
REPLIES
4.3K
VIEWS

How to increase resolution of image from "Game of Life in 3D Layers"?

QUESTION FROM: Ron A | 3 years ago BY: Rohit Namjoshi
Demonstrations , Dynamic Interactivity , Graphics and Visualization , ...
1
REPLIES
3.1K
VIEWS

Euler's Method Code

QUESTION FROM: Athanasios Paraskevopoulos | 3 years ago BY: Eric Rimbey
Calculus , Mathematics , Wolfram Language
1
REPLIES
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
3.2K
VIEWS

Analytic continuation done right with ReImPlot in a row

CONTRIBUTED BY: Shenghui Yang | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Geometry , ...
1
REPLIES
5.4K
VIEWS

Rhombic icosahedron and rhombic triacontahedron relationship

CONTRIBUTED BY: Sandor Kabai | 3 years ago
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
0
REPLIES
1.1K
VIEWS

Introduction to SI compartmental model

CONTRIBUTED BY: Athanasios Paraskevopoulos | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Biological Sciences , Calculus , Data Science , ...
1
REPLIES
4.5K
VIEWS

Solving simple class Linear Algebra problems

CONTRIBUTED BY: Athanasios Paraskevopoulos | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Education , ...
1
REPLIES
4.6K
VIEWS

Using Wolfram Engine in Raku sessions [video]

CONTRIBUTED BY: Anton Antonov | 3 years ago
External Programs and Systems , Software Development , ...
0
REPLIES
1.7K
VIEWS

Moving a line parallel to itself in Manipulate

QUESTION FROM: William Stockich | 3 years ago BY: William Stockich
Dynamic Interactivity , Graphics and Visualization , Wolfram Language
6
REPLIES
3.2K
VIEWS

When importing a text file, discard all lines starting with #

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Import and Export , Wolfram Language
4
REPLIES
3.2K
VIEWS

Finding my weight with GeogravityModelData

QUESTION FROM: Peter Burbery | 3 years ago
Curated Data , Earth Science , Physics , Units , Wolfram Language
0
REPLIES
1.6K
VIEWS

How to get the empirical distance ladder Hubble Parameter?

QUESTION FROM: James Bowery | 3 years ago
Astronomy , Units , Wolfram Language
0
REPLIES
2.1K
VIEWS

Analyzing the Planck length and other natural units with Linear Algebra

QUESTION FROM: Peter Burbery | 3 years ago
Algebra , Curated Data , Physics , Wolfram Function Repository , ...
0
REPLIES
1.7K
VIEWS

Heliocentric functions in Mathematica

QUESTION FROM: Art Cashin | 3 years ago BY: Gianluca Gorni
Astronomy , Curated Data , Wolfram Language
1
REPLIES
3.1K
VIEWS

How do I parallelize my code to improve its speed?

QUESTION FROM: Troy Wahl | 3 years ago BY: Troy Wahl
High-Performance Computing , Wolfram Language
13
REPLIES
4.7K
VIEWS

Floquet engineering of dressed surface plasmon polariton modes

CONTRIBUTED BY: Kosala Herath | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Graphics and Visualization , ...
1
REPLIES
3.7K
VIEWS

Analyzing Airbus aircraft and airplanes

CONTRIBUTED BY: Peter Burbery | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Curated Data , Data Science , ...
1
REPLIES
4K
VIEWS

Rhombic triacontahedrons elevating around a cube

CONTRIBUTED BY: Sandor Kabai | 3 years ago
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
0
REPLIES
1.1K
VIEWS

NIntegrate error: Integral and error estimates are 0 on all subregions

QUESTION FROM: sergey.mikhailov | 3 years ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation , Wolfram Language
5
REPLIES
4.2K
VIEWS

Table utility interactive palette

CONTRIBUTED BY: Terry Honan | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Interface Construction , Mathematica Add-Ons , ...
1
REPLIES
3.4K
VIEWS

Debugging and performance tuning for data parallelism

CONTRIBUTED BY: Roman Maeder | 3 years ago BY: EDITORIAL BOARD
Staff Picks , High-Performance Computing , Packages , ...
1
REPLIES
4.6K
VIEWS

What is the winter solstice?

CONTRIBUTED BY: Jose Martin-Garcia | 2 years ago BY: Jose Martin-Garcia
Staff Picks , Astronomy , Curated Data , Earth Science , ...
11
REPLIES
8.4K
VIEWS

TelegramBot: Telegram Bot API client for the Wolfram Language

CONTRIBUTED BY: Kirill Belov | 3 years ago BY: EDITORIAL BOARD
Staff Picks , External Programs and Systems , Know-How , ...
1
REPLIES
7.7K
VIEWS

RegionPlot3D error: Incomplete expression; more input is needed

QUESTION FROM: Ajay Kumar Sahu | 3 years ago BY: Ajay Kumar Sahu
Graphics and Visualization , Wolfram Community
2
REPLIES
3.8K
VIEWS

Simple Continued Fractions an approach for High School students

CONTRIBUTED BY: Athanasios Paraskevopoulos | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Computer-Based Maths , ...
1
REPLIES
5.7K
VIEWS

Folding truncated icosahedron

CONTRIBUTED BY: Sandor Kabai | 3 years ago BY: Sandor Kabai
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
1
REPLIES
1.8K
VIEWS

No output from Print inside For

QUESTION FROM: Indranil Maiti | 3 years ago BY: Rohit Namjoshi
Wolfram Language
2
REPLIES
2.2K
VIEWS

Play music programmatically from bass tablature

CONTRIBUTED BY: Kotaro Okazaki | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Audio, Sound and Music , Computational Humanities , ...
1
REPLIES
5.2K
VIEWS

Unravelling the edge spectra of non-Hermitian Chern insulators

CONTRIBUTED BY: James Bartlett | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Equation Solving , ...
1
REPLIES
3.4K
VIEWS

Bugs in Testing frameworks are always fun to debug

QUESTION FROM: Victor Kryukov | 3 years ago
Tuning and Debugging , Wolfram Language
0
REPLIES
2.1K
VIEWS

Spring washer compressed by a nut

CONTRIBUTED BY: Sandor Kabai | 3 years ago
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
0
REPLIES
1.1K
VIEWS

Inner Workings of ImageStitch: Image Registration, Projection and Blending

CONTRIBUTED BY: Markus van | 2 years ago BY: Alec Graves
Staff Picks , Dynamic Interactivity , Events & Media , ...
3
REPLIES
7.4K
VIEWS

How to substitute the results of the outputs and apply DSolve thereafter

QUESTION FROM: Nomsa Ledwaba | 3 years ago
Calculus , Equation Solving , Mathematics , Wolfram Language
0
REPLIES
2.3K
VIEWS
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