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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

Romeo, Juliet and Rosaline love affair model

CONTRIBUTED BY: Sangdon Lee | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Computational Humanities , ...
1
REPLIES
5.3K
VIEWS

Is it possible to add a combobox/dropdown list/popup menu with two columns

QUESTION FROM: Paul Newton | 3 years ago BY: Paul Newton
Dynamic Interactivity , Interface Construction , Wolfram Language
10
REPLIES
3.7K
VIEWS

Can't find a numerical value upon solving an equation

QUESTION FROM: Abdullah Muhammad | 3 years ago BY: Ahmed Elbanna
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
2.5K
VIEWS

How to solve two related differential equations?

QUESTION FROM: Reza rho | 3 years ago BY: Mariusz Iwaniuk
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
3.3K
VIEWS

Problem initial/boundary condition for diffusion in Lagrangian coordinates

QUESTION FROM: Enrico Troisi | 3 years ago
Calculus , Equation Solving , Material Sciences , Mathematics , ...
0
REPLIES
1.9K
VIEWS

Sarrus linkage

CONTRIBUTED BY: Sandor Kabai | 2 years ago BY: Sandor Kabai
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
1
REPLIES
2.1K
VIEWS

How to insert Mathematica Code in LaTeX?

QUESTION FROM: Athanasios Paraskevopoulos | 3 years ago BY: Athanasios Paraskevopoulos
Authoring and Publishing , Mathematics , Wolfram Language
3
REPLIES
7.2K
VIEWS

Lemniscate plotting device

CONTRIBUTED BY: Sandor Kabai | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Dynamic Interactivity , Geometry , ...
1
REPLIES
4.2K
VIEWS

Axon-like circuits: self -assembled -controlled bioelectric networks growth

CONTRIBUTED BY: Russell Deaton | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Biological Sciences , Equation Solving , ...
1
REPLIES
3.1K
VIEWS

Can I create a custom HolidayCalendar

QUESTION FROM: Clarisse Wagner | 2 years ago BY: Clarisse Wagner
Curated Data , Finance , Wolfram Language
2
REPLIES
4.6K
VIEWS

How to conduct a hypothesis test of a model with known sigma

QUESTION FROM: Peter Burbery | 3 years ago
Data Science , Statistics and Probability , Wolfram Language
0
REPLIES
1.2K
VIEWS

[R&DL] Wolfram R&D LIVE: xAct—efficient tensor computer Algebra

CONTRIBUTED BY: Jose Martin-Garcia | 0 months ago BY: Christian Pfeifer
Staff Picks , Algebra , High-Performance Computing , ...
7
REPLIES
17.3K
VIEWS

How to create Jacobian matrix with given equilibrium points

QUESTION FROM: Athanasios Paraskevopoulos | 3 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
1
REPLIES
2.4K
VIEWS

VisX 2: Beta test for visual frontend to Wolfram Language

CONTRIBUTED BY: Nicholas Hoff | 3 years ago BY: Austin Moore
Staff Picks , Education , External Programs and Systems , ...
3
REPLIES
9.1K
VIEWS

Reason for NDSolve::ivres error?

QUESTION FROM: Gareth Russell | 3 years ago BY: Gareth Russell
Algebra , Equation Solving , Graphics and Visualization , ...
1
REPLIES
2.7K
VIEWS

Geneva Drive (Maltese Cross)

CONTRIBUTED BY: Sandor Kabai | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Dynamic Interactivity , Geometry , ...
1
REPLIES
4.2K
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

MRB constant (CMRB) Real-World, and beyond, Applications

CONTRIBUTED BY: Marvin Ray Burns A.G.S. (cum laude) | 3 years ago
Algebra , Calculus , Dynamic Interactivity , ...
0
REPLIES
3.8K
VIEWS

LieART: Lie Algebras and Representation Theory

CONTRIBUTED BY: Robert Feger | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Graphics and Visualization , ...
1
REPLIES
7K
VIEWS

Glider Launching DE equation solving

QUESTION FROM: Said Hafidh | 3 years ago BY: Rohit Namjoshi
Calculus , Equation Solving , Graphics and Visualization , ...
3
REPLIES
2K
VIEWS

Exploring tweets using SQL operators paclet

CONTRIBUTED BY: Damian Calin | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Data Science , Graphics and Visualization , ...
1
REPLIES
5.1K
VIEWS

RD faces covered with RTs

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

Is there a built-in to convert a RegularExpression to StringExpression?

QUESTION FROM: Richard Frost | 3 years ago BY: Richard Frost
Wolfram Language
3
REPLIES
3.3K
VIEWS

Dome made of polar zonohedron

CONTRIBUTED BY: Sandor Kabai | 3 years ago
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
1.1K
VIEWS

FOMC raising rates: model for an inverted yield curve

CONTRIBUTED BY: Robert Rimmer | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Business Analytics , Data Science , ...
1
REPLIES
6.8K
VIEWS

How to automatically assign two values to two variables x1 and x2 ？

QUESTION FROM: Lee Tao | 2 years ago BY: Rohit Namjoshi
Equation Solving , Mathematics , Wolfram Language
12
REPLIES
4.7K
VIEWS

Can Mathematica export a MySQL database from a Dataset or entity object?

QUESTION FROM: Peter Burbery | 3 years ago BY: Rohit Namjoshi
Data Science , Import and Export , Wolfram Language
1
REPLIES
2.7K
VIEWS

Polar zonohedron compositions

CONTRIBUTED BY: Sandor Kabai | 3 years ago
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
0
REPLIES
971
VIEWS

Create a Matrix using Table and RandomReal

QUESTION FROM: Athanasios Paraskevopoulos | 3 years ago BY: Rohit Namjoshi
Algebra , Mathematics , Wolfram Language
3
REPLIES
2.7K
VIEWS

Solve[ ] likes extra variables

CONTRIBUTED BY: Frank Kampas | 3 years ago BY: Frank Kampas
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
14
REPLIES
4K
VIEWS

How to integrate function including delta function?

QUESTION FROM: Daniel Niu | 3 years ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
1
REPLIES
2.7K
VIEWS

Exploring cities of the eastern time zone

CONTRIBUTED BY: Peter Burbery | 3 years ago
Curated Data , Geographic Information System , ...
0
REPLIES
1.9K
VIEWS

How can I get FindRoot to work with units?

QUESTION FROM: James Bowery | 3 years ago BY: James Bowery
Curated Data , Graphics and Visualization , Units , Wolfram Language
4
REPLIES
4.7K
VIEWS

Difficulty with Blend: how to Blend a Color with a Table of Colors?

QUESTION FROM: Orion Strayer | 2 years ago BY: Phil Earnhardt
Wolfram Language
4
REPLIES
3.2K
VIEWS

How to filter planets according to conditions using SortBy?

QUESTION FROM: Peter Burbery | 3 years ago BY: Dave Middleton
Astronomy , Curated Data , Data Science , Wolfram Language
3
REPLIES
3.3K
VIEWS

Determine if the line passes through the area of the rectangle

QUESTION FROM: André Demori | 3 years ago BY: Bill Nelson
Geometry , Graphics and Visualization , Wolfram Language
1
REPLIES
1.9K
VIEWS

Taking chess to 2.5 dimensions

CONTRIBUTED BY: Brad Klee | 3 years ago BY: Brad Klee
Staff Picks , Computer Science , Dynamic Interactivity , ...
5
REPLIES
7.3K
VIEWS

Digit puzzle: ratio of 5 and 4 digits gives digits 1-9

QUESTION FROM: serene H | 3 years ago BY: Rohit Namjoshi
Mathematics , Wolfram Language
6
REPLIES
3K
VIEWS

Working through exercises in Giancoli's Physics: chapter 6 work and energy

CONTRIBUTED BY: Peter Burbery | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Curated Data , Data Science , Physics , Units , ...
2
REPLIES
5.1K
VIEWS

How to specify the numbering for equations with DisplayFormulaNumbered

QUESTION FROM: Peter Burbery | 3 years ago
Presentation and Notebooks , User Interface , Wolfram Language
0
REPLIES
1.4K
VIEWS

Deltoid spirals arranged in a space filling manner

CONTRIBUTED BY: Sandor Kabai | 3 years ago
Computational Humanities , Dynamic Interactivity , Geometry , ...
0
REPLIES
1.3K
VIEWS

Astroid graphical variations

CONTRIBUTED BY: Sandor Kabai | 2 years ago BY: Sandor Kabai
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
1
REPLIES
2.3K
VIEWS

How to Convert Date-Times using Prevailing Timezones

QUESTION FROM: Dave Middleton | 3 years ago BY: Dave Middleton
Wolfram Language
2
REPLIES
4.8K
VIEWS

Predict function with two correlated output values.

QUESTION FROM: Samuel Marini | 3 years ago
Data Science , Machine Learning , Modeling , Wolfram Language
0
REPLIES
1.7K
VIEWS

Number 32 in my demonstrations

CONTRIBUTED BY: Sandor Kabai | 3 years ago
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
922
VIEWS

Making simple snake game

CONTRIBUTED BY: Kirill Belov | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Game Development , ...
4
REPLIES
7K
VIEWS

How to make the code related to line and ellipse more concise？

QUESTION FROM: Lee Tao | 3 years ago BY: Lee Tao
Mathematics , Wolfram Language
6
REPLIES
3.5K
VIEWS

How to Loop by cutting list then reversing?

QUESTION FROM: serene H | 3 years ago BY: Rohit Namjoshi
Wolfram Language
7
REPLIES
2.4K
VIEWS

Solving an equation that involves truncated series

QUESTION FROM: Davide Alfano | 3 years ago BY: Davide Alfano
Algebra , Equation Solving , Mathematics , Wolfram Language
9
REPLIES
3.1K
VIEWS

How difficult is it to Classify SNES map data?

CONTRIBUTED BY: Brad Klee | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Artificial Intelligence , Data Science , ...
1
REPLIES
5.5K
VIEWS

How to setup and organize larger paclets as of v13+

QUESTION FROM: Guido Wolf Reichert | 1 year ago BY: Bob Sandheinrich
Mathematica , Packages , Software Development , Wolfram Language
8
REPLIES
9.5K
VIEWS

Idealized conventional and pressure-assisted thermal preservation processes

CONTRIBUTED BY: Micha Peleg | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Biological Sciences , Dynamic Interactivity , ...
1
REPLIES
3.2K
VIEWS

Automating triangulation of paintings with Delaunay mesh and cloud app

CONTRIBUTED BY: Kirill Belov | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Computational Humanities , Geometry , ...
2
REPLIES
5.8K
VIEWS

Sum without "i" as index

QUESTION FROM: Davide Alfano | 3 years ago BY: Davide Alfano
Mathematics , Wolfram Language
2
REPLIES
2.1K
VIEWS

A New Kind of Science: Twentieth Anniversary Collection

CONTRIBUTED BY: Paige Vigliarolo | 2 years ago BY: Paige Vigliarolo
Authoring and Publishing , Education , ...
1
REPLIES
4.4K
VIEWS

Interactively changing the point in which the tangent is drawn in hyperbola

QUESTION FROM: serene H | 3 years ago BY: Gianluca Gorni
Calculus , Dynamic Interactivity , Graphics and Visualization , ...
3
REPLIES
2.5K
VIEWS

Definition of GramPoint[ ] in MathWorld's Gram Point and Gram’s Law?

QUESTION FROM: Dan O'Leary | 3 years ago BY: Dan O'Leary
Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
3.7K
VIEWS

How to only use filled and empty extent markers in the middle

QUESTION FROM: Peter Burbery | 3 years ago
Graphics and Visualization , Statistics and Probability , ...
0
REPLIES
1.2K
VIEWS

[R&DL] Q&A with Calculus & Algebra Developers

CONTRIBUTED BY: Keren Garcia | 3 years ago
Algebra , Calculus , Discrete Mathematics , Education , ...
0
REPLIES
2.5K
VIEWS

Equity analytics in the Equities Data Store

CONTRIBUTED BY: Jonathan Kinlay | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Curated Data , Data Science , Finance , Wolfram Language
1
REPLIES
5.3K
VIEWS

Analyzing physical quantities with statistics

CONTRIBUTED BY: Peter Burbery | 3 years ago
Curated Data , Graphics and Visualization , Graphs and Networks , ...
0
REPLIES
1.4K
VIEWS

Computational Mining (any experiences)?

QUESTION FROM: Evyn Tyndzik | 3 years ago
Wolfram Science
0
REPLIES
1.9K
VIEWS

"Professional" printed output from Wolfram Notebooks - How?

QUESTION FROM: Josh Helzer | 3 years ago BY: Updating Name
Authoring and Publishing , Presentation and Notebooks , ...
3
REPLIES
4.4K
VIEWS

How to search Nutrition labels with food names and grams in FormFunction?

QUESTION FROM: Ferenc Lengyel | 3 years ago BY: Ferenc Lengyel
Biological Sciences , Curated Data , Interface Construction , ...
2
REPLIES
3.3K
VIEWS

MBcreate: transform Feynman parametric integrals to Mellin-Barnes

CONTRIBUTED BY: Andrei Belitsky | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Mathematica Add-Ons , Mathematics , ...
1
REPLIES
3.6K
VIEWS

How to get a result for some values of a parameter?

QUESTION FROM: H A | 3 years ago BY: Rohit Namjoshi
Calculus , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
2K
VIEWS

[R&DL] Wolfram R&D LIVE: Latest in Machine Learning

CONTRIBUTED BY: Giulio Alessandrini | 3 years ago BY: Giulio Alessandrini
Staff Picks , Artificial Intelligence , Data Science , ...
3
REPLIES
11K
VIEWS

Solve the integral Cos(x)/x at the interval (0,infinite)

QUESTION FROM: Isa Comez | 3 years ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
3
REPLIES
5.3K
VIEWS

Search for maximum of user defined function

QUESTION FROM: Emily O | 3 years ago BY: Emily O
Equation Solving , Optimization , Mathematics , ...
3
REPLIES
3.1K
VIEWS

Take elements in a list by some letters in the name

QUESTION FROM: francesco varcasia | 3 years ago BY: Sander Huisman
Data Science , Wolfram Language
3
REPLIES
2.5K
VIEWS

Site traffic to financial prediction

QUESTION FROM: Sergey Scorin | 3 years ago
Business Analytics , Data Science , Economics , Finance , ...
0
REPLIES
3.5K
VIEWS

Error with GitLink package - the SSL certificate is invalid

QUESTION FROM: Tomás Valencia | 3 years ago
Packages , Wolfram Language
0
REPLIES
1.9K
VIEWS

How to Convert Gregorian Dates into Jewish Dates in Hebrew

QUESTION FROM: Dave Middleton | 3 years ago
Curated Data , Units , Wolfram Language
0
REPLIES
2.7K
VIEWS

Unique father problem: Conway conjecture settled

CONTRIBUTED BY: Paul Abbott | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Computational Systems , Computer Science , ...
1
REPLIES
6.7K
VIEWS

Getting libcurl error when trying to connect to the Cloud

QUESTION FROM: Enrico Pirani | 3 years ago
Operating System and Network Access , Wolfram Cloud , Wolfram Language
0
REPLIES
2.3K
VIEWS

How to modify the code to make the function image clear?

QUESTION FROM: Lee Tao | 3 years ago BY: Lee Tao
Dynamic Interactivity , Graphics and Visualization , Wolfram Language
5
REPLIES
2.7K
VIEWS

[WSG22] Daily Study Group: EdTech for the Computational Classroom

CONTRIBUTED BY: Arben Kalziqi | 3 years ago BY: Lybrya Kebreab
Education , Events & Media , Presentation and Notebooks , ...
1
REPLIES
5.6K
VIEWS

Filzbach: a general purpose MCMC package for Bayesian estimation

CONTRIBUTED BY: Gareth Russell | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Data Science , Graphics and Visualization , ...
1
REPLIES
7.1K
VIEWS

How to represent a large factorial in Scientific Form

QUESTION FROM: Roger J Brown | 3 years ago BY: Victor K
Mathematics , Wolfram Language
1
REPLIES
2.3K
VIEWS

How to Build Loss Functions for Yolo object detectors?

QUESTION FROM: Bassel Harby | 3 years ago
Data Science , Machine Learning , Neural Networks , Wolfram Language
0
REPLIES
2.3K
VIEWS

How to make these codes run automatically when the notebook is opened?

QUESTION FROM: Zhenyu Zeng | 3 years ago BY: Zhenyu Zeng
Presentation and Notebooks , Wolfram Language
11
REPLIES
3.9K
VIEWS

Computation Explorations with physical quantities & other areas of Physics

CONTRIBUTED BY: Peter Burbery | 3 years ago
Curated Data , Graphics and Visualization , Graphs and Networks , ...
0
REPLIES
1.5K
VIEWS

How to deploy a manipulate for a dataset to add columns and rows?

QUESTION FROM: Peter Burbery | 3 years ago
Dynamic Interactivity , Interface Construction , Wolfram Cloud , ...
0
REPLIES
1.4K
VIEWS

Exact solutions to rigid body motion: application to detumbling satellites

CONTRIBUTED BY: Christian Peterson | 3 years ago BY: Paul Abbott
Staff Picks , Astronomy , Dynamic Interactivity , Equation Solving , ...
2
REPLIES
5.5K
VIEWS

Error Message: Label for program control is not found - can't find cause

QUESTION FROM: Emmett Hume | 3 years ago BY: Jason Biggs
Wolfram Language
1
REPLIES
2.1K
VIEWS

Ctrl + Enter not equal to \n in Mathematica

QUESTION FROM: Zhenyu Zeng | 3 years ago BY: Zhenyu Zeng
Data Science , Wolfram Language
14
REPLIES
3.4K
VIEWS

[R&DL] Wolfram R&D LIVE: Computational Geology

CONTRIBUTED BY: Jeffrey Bryant | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Curated Data , Events & Media , ...
1
REPLIES
6.4K
VIEWS

Google’s AlphaTensor: Reducing Matrix Multiplication times by up to 20%

QUESTION FROM: Jeff Stewart | 3 years ago
Algebra , Data Science , Machine Learning , Mathematics , ...
0
REPLIES
1.6K
VIEWS

Le Crane: analyzing lithographs "Anamorphosis Suite" by Salvador Dalí

CONTRIBUTED BY: Erik Mahieu | 3 years ago BY: Michael Kelly
Staff Picks , Geometry , Graphics and Visualization , ...
2
REPLIES
9.5K
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

Not a Valid Paclet Directory

QUESTION FROM: Lawrence Winkler | 3 years ago BY: Lawrence Winkler
Authoring and Publishing , Packages , Wolfram Language
1
REPLIES
3.9K
VIEWS

Predictive validity in drug discovery: what it is and how to improve it

CONTRIBUTED BY: Jack Scannell | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Biological Sciences , Chemistry , ...
1
REPLIES
5.4K
VIEWS

Arbitrary shape to triangles to rectangle packing

QUESTION FROM: Jonathan Vardy | 3 years ago
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
1.7K
VIEWS

Calculations with significant figures

QUESTION FROM: Mauro Benjamin Mistretta | 3 years ago BY: Jose Martin-Garcia
Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
3.7K
VIEWS

Date objects seemed same are not equal

QUESTION FROM: Zhenyu Zeng | 3 years ago BY: Zhenyu Zeng
Units , Wolfram Language
2
REPLIES
3.4K
VIEWS

Compare the symbolic solution with numerical solution

QUESTION FROM: A Afi | 3 years ago BY: Gianluca Gorni
Equation Solving , Graphics and Visualization , Mathematics , ...
8
REPLIES
3.7K
VIEWS

How to pop up the box for entering file address？

QUESTION FROM: Zhenyu Zeng | 3 years ago BY: Zhenyu Zeng
Interface Construction , Wolfram Engine , Wolfram Language
3
REPLIES
3.3K
VIEWS

Are the input weights to WeightedData expected to be in the interval [0,1]?

QUESTION FROM: Richard Frost | 3 years ago BY: Richard Frost
Data Science , Statistics and Probability , Wolfram Language
2
REPLIES
3K
VIEWS

A question about mathematics in the Wolfram Fundamental Physics Project?

QUESTION FROM: Nodu Agga | 2 years ago BY: Roland Franzius
Wolfram Fundamental Physics Project
1
REPLIES
4.7K
VIEWS

Display of the squared norm

QUESTION FROM: Ted Bartlett | 3 years ago BY: Gianluca Gorni
Mathematics , Wolfram Language
1
REPLIES
2.4K
VIEWS
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