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Classical and quantum mechanics, electricity and magnetism, thermodynamics, high-energy and particle physics, condensed matter physics, biophysics.... Astronomy and optics are separate categories.

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Optimizing code that numerically evaluates line integrals on Mesh/Grid

QUESTION FROM: Tharindu W Fernando | 5 years ago BY: Tharindu W Fernando
Graphics and Visualization , High-Performance Computing , ...
4
REPLIES
6.5K
VIEWS

Is the neutrino oscillation demonstration correct ?

QUESTION FROM: Marc Escalier | 6 years ago BY: Marc Escalier
Demonstrations , Physics
4
REPLIES
6.2K
VIEWS

Finding local minima of an energy defined by integration in Mathematica

QUESTION FROM: Gabriel Medeiros | 6 years ago BY: Gabriel Medeiros
Mathematica , Optimization , Mathematics , Physics , Wolfram Language
4
REPLIES
7.1K
VIEWS

Define my own unit vectors and their dot product?

QUESTION FROM: David Mackay | 6 years ago BY: David Mackay
Geometry , Mathematics , Physics , Wolfram Language
4
REPLIES
9.6K
VIEWS

Make the x axis circular?

QUESTION FROM: Luis Felipe Massena Misiec | 6 years ago BY: Luis Felipe Massena Misiec
Graphics and Visualization , Mathematics , Physics , Wolfram Language
4
REPLIES
7.2K
VIEWS

Syntax for solving vector field equations?

QUESTION FROM: Rand Dannenberg | 6 years ago BY: Rand Dannenberg
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
4
REPLIES
6.8K
VIEWS

Plot a free energy landscape?

QUESTION FROM: Lucy Wairimu | 6 years ago BY: Lucy Wairimu
Chemistry , Geographic Information System , Mathematics , Physics , ...
4
REPLIES
7.9K
VIEWS

Lagrangian for rolling disk inside a ring

QUESTION FROM: Ravi Shankar Gautam | 6 years ago BY: Ravi Shankar Gautam
Demonstrations , Mathematics , Modeling , Physics , Wolfram Language
4
REPLIES
9.2K
VIEWS

Taylor Series of a Function with Several Variables

CONTRIBUTED BY: Hans Dolhaine | 7 years ago BY: Udo Krause
Calculus , Mathematics , Physics , Wolfram Language
4
REPLIES
14.4K
VIEWS

Simulate and visualize a solar planet's motion?

QUESTION FROM: Hojun Lee | 7 years ago BY: Hojun Lee
Astronomy , Dynamic Interactivity , Graphics and Visualization , ...
4
REPLIES
8.6K
VIEWS

Would anyone like to test my package for crystallography?

QUESTION FROM: Stian Ramsnes | 7 years ago BY: Stian Ramsnes
Chemistry , Material Sciences , Mathematica , Numerical Computation , ...
4
REPLIES
9.9K
VIEWS

Animation of a Random Walk on a lattice

CONTRIBUTED BY: Philipp Krönert | 7 years ago BY: Raspi Rascal
Mathematics , Physics
4
REPLIES
11.5K
VIEWS

Create an animation of planet in an elliptical orbit?

QUESTION FROM: Mohammad Amir Khan | 7 years ago BY: Mohammad Amir Khan
Astronomy , Graphics and Visualization , Mathematics , Physics , ...
4
REPLIES
11.1K
VIEWS

Dsolve to find out the resonance frequency of mass-spring-damper system?

QUESTION FROM: Chengjun Li | 7 years ago BY: Neil Singer
Calculus , Control Systems , Engineering , Equation Solving , ...
4
REPLIES
8.6K
VIEWS

Generate matrices for various angular momentum values L & test their rank?

QUESTION FROM: Till Rosenband | 7 years ago BY: Till Rosenband
Mathematics , Physics , Wolfram Language
4
REPLIES
3.9K
VIEWS

[TMJ] Aspects of Input Shaping Control of Flexible Mechanical Systems

CONTRIBUTED BY: EDITORIAL BOARD | 7 years ago BY: Neil Singer
Calculus , Engineering , Equation Solving , Events & Media , ...
4
REPLIES
7K
VIEWS

Get a more precise number of this formula with W|A?

QUESTION FROM: Michael Przybylski | 7 years ago BY: Michael Przybylski
Mathematics , Numerical Computation , Physics , Wolfram|Alpha
4
REPLIES
7.1K
VIEWS

Coffee optimization, how to get your cup of joe just right

CONTRIBUTED BY: Patrik Ekenberg | 7 years ago BY: Micah Lindley
Staff Picks , Engineering , Modeling , Physics , SystemModeler
4
REPLIES
32K
VIEWS

Can someone interpret the output?

QUESTION FROM: Jonas Hamp | 7 years ago BY: Jonas Hamp
Computer-Based Maths , Discrete Mathematics , Mathematica , ...
4
REPLIES
11.8K
VIEWS

Use symbolic vectors for physics?

QUESTION FROM: Carlos Soria-Hoyo | 8 years ago BY: Neil Singer
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
4
REPLIES
9.6K
VIEWS

Solve a system of DAEs with discrete conditions using NDSolve?

QUESTION FROM: Foad Sojoodi Farimani | 8 years ago BY: Neil Singer
Discrete Mathematics , Engineering , Equation Solving , Mathematics , ...
4
REPLIES
7.7K
VIEWS

Improve speed to obtain numerical values of Bessel function?

QUESTION FROM: Markus Schmidt | 8 years ago BY: Markus Schmidt
Compilation , Discrete Mathematics , High-Performance Computing , ...
4
REPLIES
12K
VIEWS

[?] Calculate Bessel Function zeros? (Can PayPal for solution)

QUESTION FROM: Michael M | 8 years ago BY: J. M.
Calculus , Mathematics , Physics , Wolfram Language
4
REPLIES
12.6K
VIEWS

Use ThermodynamicData function?

QUESTION FROM: Ralph Jones | 8 years ago BY: Ralph Jones
Curated Data , Engineering , Operating System and Network Access , ...
4
REPLIES
7.9K
VIEWS

Find fit parameters which will fit experimental data using a Hamiltonian?

QUESTION FROM: Robert Poenaru | 8 years ago BY: Frank Kampas
Optimization , Mathematics , Numerical Computation , Physics , ...
4
REPLIES
10.9K
VIEWS

Determine a volume and the diameter of a 12.5kg gold sphere?

QUESTION FROM: Simon Allen | 8 years ago BY: Updating Name
Education , Mathematics , Physics , Wolfram|Alpha , Wolfram Language
4
REPLIES
10.3K
VIEWS

[?] Compute and use the gaussian variance formula?

QUESTION FROM: Epsilon Tau | 8 years ago BY: Neil Singer
Mathematics , Physics , Symbolic Computations , Wolfram Language
4
REPLIES
7.6K
VIEWS

Evolution of Stars: Hertzsprung-Russell diagram

CONTRIBUTED BY: Marco Thiel | 8 years ago BY: Joe Gilray
Staff Picks , Astronomy , Data Science , Graphics and Visualization , ...
4
REPLIES
22.3K
VIEWS

Get a fully simplified solution to the quantum harmonic oscillator?

QUESTION FROM: Will Smith | 8 years ago BY: Will Smith
Education , Equation Solving , Mathematics , Physics , ...
4
REPLIES
11.5K
VIEWS

Simulate a full car model in SystemModeler?

QUESTION FROM: Saravanan N | 8 years ago BY: Neil Singer
Control Systems , Engineering , Mechanical Engineering , Modeling , ...
4
REPLIES
15.8K
VIEWS

A period function for anharmonic oscillations

CONTRIBUTED BY: Brad Klee | 9 years ago BY: Brad Klee
Staff Picks , Astronomy , Mathematics , Physics , ...
4
REPLIES
15.2K
VIEWS

Best NDSolve Methods for this equation?

QUESTION FROM: Fernando Garcia | 9 years ago BY: Fernando Garcia
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
8.6K
VIEWS

[GiF] Visualizing the Bunimovich mitosis

CONTRIBUTED BY: Michael Trott | 9 years ago BY: Sander Huisman
Staff Picks , Calculus , Geometry , Graphics and Visualization , ...
4
REPLIES
10.7K
VIEWS

Do arithmetic operations handle unit cancellation automatically?

QUESTION FROM: Mike Luntz | 9 years ago BY: Mike Luntz
Curated Data , Mathematics , Physics , Units , Wolfram Language
4
REPLIES
7.8K
VIEWS

Will W|A answer "What would happen to the solar system if Earth vanished?"

QUESTION FROM: Shaun Coyne | 9 years ago BY: Marco Thiel
Astronomy , Modeling , Physics , Wolfram|Alpha
4
REPLIES
14.1K
VIEWS

Plot and numerically integrate a function?

QUESTION FROM: Alessio Lapolla | 9 years ago BY: Alessio Lapolla
Graphics and Visualization , Mathematics , Numerical Computation , ...
4
REPLIES
8.5K
VIEWS

Using NonlinearModelFit for complex data ?

QUESTION FROM: Christian Neel | 9 years ago BY: Gale Bradfield
Data Science , Engineering , Mathematics , Physics , ...
4
REPLIES
15.5K
VIEWS

Fitting a periodic potential?

QUESTION FROM: Eft Rsd | 9 years ago BY: Eft Rsd
Graphics and Visualization , Mathematics , Physics , Wolfram Language
4
REPLIES
6.5K
VIEWS

ListPlot3D to show the dependence of a spectrum on a parameter?

QUESTION FROM: Steve Bardwell | 9 years ago BY: Steve Bardwell
Equation Solving , Graphics and Visualization , ...
4
REPLIES
5.9K
VIEWS

ContourPlot in Fast Spherical Harmonics on radiative transfer

QUESTION FROM: Sungwoo Yang | 9 years ago BY: Gianluca Gorni
Engineering , Equation Solving , Graphics and Visualization , ...
4
REPLIES
11K
VIEWS

Using Mathematica to see the world in a different light - part I

CONTRIBUTED BY: Marco Thiel | 9 years ago BY: Bernat Espigulé
Staff Picks , Connected Devices , Data Science , Events & Media , ...
4
REPLIES
23K
VIEWS

Help using WhenEvent with NDSolve to avoid complex solutions

QUESTION FROM: Anonymous User | 9 years ago BY: Anonymous User
Equation Solving , Mathematics , Physics , Wolfram Language
4
REPLIES
5.3K
VIEWS

Plotting points on a Poincare Sphere

QUESTION FROM: Peter Parker | 9 years ago BY: Gianluca Gorni
Graphics and Visualization , Physics , Wolfram Language
4
REPLIES
10.5K
VIEWS

How to avoid duplicated units in the results?

QUESTION FROM: Benny Bomstærk | 9 years ago BY: Benny Bomstærk
Physics , Units , Wolfram Language
4
REPLIES
7.7K
VIEWS

How can I animate the solution to the 2D heat equation?

QUESTION FROM: Felipe Fabricio Pacci Evaristo | 10 years ago BY: Felipe Fabricio Pacci Evaristo
Engineering , Equation Solving , Physics , Wolfram Language
4
REPLIES
9.8K
VIEWS

Ask a question about function calculation in Mathematica, thanks :)

QUESTION FROM: Di Chang | 10 years ago BY: Di Chang
Mathematics , Physics , Wolfram Language
4
REPLIES
5.6K
VIEWS

Fitting of a data set with a known equation

QUESTION FROM: S G | 10 years ago BY: Frank Kampas
Engineering , Material Sciences , Physics
4
REPLIES
14K
VIEWS

Wave function of a free particle

QUESTION FROM: Devin Luu | 10 years ago BY: Gianluca Gorni
Mathematica , Mathematics , Physics
4
REPLIES
5.7K
VIEWS

Problem with Color of Plot

QUESTION FROM: Sarmed Hussain | 10 years ago BY: Sarmed Hussain
Mathematica , Physics
4
REPLIES
5.2K
VIEWS

What's wrong with my code? Code and error are in the message.

QUESTION FROM: Nathan Lundholm | 10 years ago BY: Nathan Lundholm
Aerospace Engineering , Astronomy , Discrete Mathematics , ...
4
REPLIES
14.1K
VIEWS

Need serious help with lists!

QUESTION FROM: Nathan Lundholm | 10 years ago BY: Gianluca Gorni
Aerospace Engineering , Astronomy , Computer Science , ...
4
REPLIES
12K
VIEWS

Problem with ImplicitRegion in three dimensions

QUESTION FROM: Robert Zimmermann | 10 years ago BY: Simon Cadrin
Mathematics , Physics
4
REPLIES
4.4K
VIEWS

Minimize and complex numbers

QUESTION FROM: Kris Brumbaugh | 10 years ago BY: Udo Krause
Mathematica , Physics , Signal Processing , Wolfram Language
4
REPLIES
9.4K
VIEWS

LogPlot. Without Log, there is no problem. But when I try to plot with Log

QUESTION FROM: jabir Hakami | 10 years ago BY: Erik Mahieu
Computational Systems , Computer Science , Mathematics , Optics , ...
4
REPLIES
11.7K
VIEWS

How to see full text instead of skeleton <<1>>?

QUESTION FROM: Aleksei Zadvorkin | 10 years ago BY: Aleksei Zadvorkin
Equation Solving , Mathematica , Optics , Physics
4
REPLIES
11.2K
VIEWS

Command for successive matrix product

QUESTION FROM: hwoarang Polar | 10 years ago BY: Frank Kampas
Physics
4
REPLIES
5.8K
VIEWS

<<>> notation

QUESTION FROM: Jonah Wimer | 10 years ago BY: Jonah Wimer
Mathematics , Physics
4
REPLIES
4.3K
VIEWS

Formulate an algorithm to solve a fractional differential equation

QUESTION FROM: omer emad | 10 years ago BY: omer emad
Calculus , Physics , Wolfram Language
4
REPLIES
9K
VIEWS

how do I find out how wolfram turned my trig equation into sqrt fractions?

QUESTION FROM: Kyle wright | 10 years ago BY: Kyle wright
Equation Solving , Physics , Wolfram Language
4
REPLIES
4.6K
VIEWS

Piecewise function

QUESTION FROM: Philip Majnooni | 11 years ago BY: David Keith
Aerospace Engineering , Civil Engineering , Control Systems , ...
4
REPLIES
15.1K
VIEWS

Solving two second order ordinary differential equations

QUESTION FROM: anon nanon | 11 years ago BY: Kay Herbert
Mathematics , Physics
4
REPLIES
4.6K
VIEWS

Problems in getting Real number solutions in NSolve

QUESTION FROM: hwoarang Polar | 11 years ago BY: hwoarang Polar
Physics
4
REPLIES
5.4K
VIEWS

Do I need additional packages for this Tutorial?

QUESTION FROM: David Klein | 11 years ago BY: David Klein
Material Sciences , Mathematics , Mechanical Engineering , Physics
4
REPLIES
6.9K
VIEWS

Your own personal digital Rosetta Comet

CONTRIBUTED BY: David Reiss | 11 years ago BY: Vitaliy Kaurov
Astronomy , Graphics and Visualization , Import and Export , ...
4
REPLIES
11.2K
VIEWS

Why do i get different outputs for equivalent commands?

QUESTION FROM: Matteo Di Loreto | 11 years ago BY: Matteo Di Loreto
Control Systems , Data Science , Engineering , Mathematics , ...
4
REPLIES
5.9K
VIEWS

Problem exporting Symbol type in Mathematica 10

QUESTION FROM: Jorge Villalobos | 11 years ago BY: Jorge Villalobos
Graphics and Visualization , Mathematica , Physics
4
REPLIES
7.2K
VIEWS

Integral not evaluating

QUESTION FROM: Caleb Spires | 11 years ago BY: Daniel Lichtblau
Chemical Engineering , Chemistry , Computer Science , Mathematics , ...
4
REPLIES
9.7K
VIEWS

Self dual tensors in Mathematica 9

QUESTION FROM: Ofri Telem | 11 years ago BY: Udo Krause
Algebra , Mathematica , Physics , Wolfram Language
4
REPLIES
7.6K
VIEWS

Advancing from 1D diffusion model to 2D and 3D

QUESTION FROM: Petar M | 11 years ago BY: Petar M
Calculus , Mathematica , Physics , Wolfram Language
4
REPLIES
8.3K
VIEWS

Computing Triple Integral with Variable Limits of Integration

QUESTION FROM: Julius O | 11 years ago BY: Julius O
Mathematics , Physics
4
REPLIES
6.4K
VIEWS

Numerical solution of one dimensional Schrodinger equation

QUESTION FROM: Mojtaba M | 11 years ago BY: Michael Hale
Calculus , Mathematica , Numerical Computation , Physics , ...
4
REPLIES
20K
VIEWS

Is it possible to find the equations of motion with Mathematica?

QUESTION FROM: Alexsandro Mota | 11 years ago BY: David Keith
Algebra , Calculus , Equation Solving , Geometry , Group Theory , ...
4
REPLIES
12.4K
VIEWS

Help me! :( {calculating potential field}

QUESTION FROM: maryam fathi.s | 11 years ago BY: maryam fathi.s
Mathematica , Physics
4
REPLIES
4.4K
VIEWS

Using the bungee jump model in system modeler

QUESTION FROM: eshwar chandran | 11 years ago BY: Sean Clarke
Physics , SystemModeler
4
REPLIES
9.5K
VIEWS

Finding a function for the skiing angle from acceleration

QUESTION FROM: Seokin Yeh | 12 years ago BY: Vitaliy Kaurov
Calculus , Equation Solving , Mathematica , Mathematics , Physics , ...
4
REPLIES
13.6K
VIEWS

Problems with system of PDE's

QUESTION FROM: Josh Napolitano | 12 years ago BY: Frank Kampas
Mathematica , Mathematics , Physics
4
REPLIES
4K
VIEWS

Functional Programming for Non-linear Equations

QUESTION FROM: Pat Mac | 12 years ago BY: Pat Mac
Biological Sciences , Chemistry , High-Performance Computing , ...
4
REPLIES
20.2K
VIEWS

Autocorrelation Method

QUESTION FROM: azmi almasalha | 12 years ago BY: azmi almasalha
Mathematica , Optics , Physics
4
REPLIES
12.9K
VIEWS

use of the $ symbol

QUESTION FROM: Luis Ledesma | 12 years ago BY: Jari Kirma
Authoring and Publishing , Computer Science , Data Science , ...
4
REPLIES
18K
VIEWS

Newton-Raphson Root Finding, Difficulty in coding

QUESTION FROM: Cory Leahy | 12 years ago BY: Jari Kirma
Mathematics , Physics , Wolfram Language
4
REPLIES
8.7K
VIEWS

How to solve a highly nonlinear PDE

QUESTION FROM: Yiyang Zhang | 12 years ago BY: Sean Clarke
Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
6.4K
VIEWS

Solving a complex ODE with NDSOLVE

QUESTION FROM: Panagiotis Karampourniotis | 12 years ago BY: Panagiotis Karampourniotis
Engineering , Mathematica , Physics
4
REPLIES
8.1K
VIEWS

Equation of a line intersepting two planes

QUESTION FROM: Chinthaka Ratnaweera | 12 years ago BY: Udo Krause
Mathematics , Physics
4
REPLIES
3.8K
VIEWS

Plotting data from simulation of springs with masses

QUESTION FROM: sean roubion | 12 years ago BY: Vitaliy Kaurov
Graphics and Visualization , Mathematica , Physics
4
REPLIES
12.9K
VIEWS

[WSRP25] Modeling 3D objects at relativistic speeds (Terrell-Penrose effect)

CONTRIBUTED BY: Sanjana Ramesh | 2 months ago BY: EDITORIAL BOARD
Staff Picks , Geometry , Graphics and Visualization , ...
3
REPLIES
1.1K
VIEWS

[WSRP25] Chaotic mineral flow simulation for deposition analysis

CONTRIBUTED BY: Andreas Tsang | 2 months ago BY: Anton Antonov
Staff Picks , Computer Science , Earth Science , ...
3
REPLIES
1.6K
VIEWS

3D space shuttle wind tunnel test

CONTRIBUTED BY: Yu Chen | 2 months ago BY: David Keith
Computer Science , Engineering , Geometry , ...
3
REPLIES
1.7K
VIEWS

The uncontrolled re-entry of a large Soviet-era Venus probe KOSMOS-482 on May 10, 2025

CONTRIBUTED BY: Gosia Konwerska | 4 months ago BY: Jeffrey Bryant
Staff Picks , Astronomy , Curated Data , Events & Media , ...
3
REPLIES
3K
VIEWS

How to get the normalized post-measurement state?

QUESTION FROM: Xiangyang Zhou | 5 months ago BY: Nikolay Murzin
Physics , Wolfram Language
3
REPLIES
913
VIEWS

Inverting no-hair theorems: requiring general relativity solutions restricts scalar-tensor theories

CONTRIBUTED BY: Sergi Sirera | 5 months ago BY: Sergi Sirera
Staff Picks , Mathematica Add-Ons , Packages , Physics , ...
3
REPLIES
1.4K
VIEWS

Mathematica blocks everything else while running

QUESTION FROM: Ulrich Mosel | 8 months ago BY: Daniel Lichtblau
Physics , Wolfram Community
3
REPLIES
1.6K
VIEWS

Particle exchange statistics beyond fermions and bosons

CONTRIBUTED BY: Zhiyuan Wang | 8 months ago BY: Vitaliy Kaurov
Staff Picks , Mathematica Add-Ons , Mathematics , Packages , ...
3
REPLIES
5.2K
VIEWS

How can get two solution of the ODE with degree two ?

QUESTION FROM: Salim Mahmood | 9 months ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Physics , ...
3
REPLIES
1.2K
VIEWS

A reformulation of the Browaeys and Chevrot decomposition of elastic maps

CONTRIBUTED BY: Carl Tape | 1 year ago BY: Carl Tape
Staff Picks , Graphics and Visualization , Material Sciences , ...
3
REPLIES
2.4K
VIEWS

Investigation of numerical solutions of the two-dimensional Schrödinger equation

CONTRIBUTED BY: Klaus von Bloh | 1 year ago BY: Klaus von Bloh
Staff Picks , Calculus , Demonstrations , ...
3
REPLIES
3.9K
VIEWS

[WSRP24] Optimization of the thrust to power consumption ratio of Ion thrusters through simulations

CONTRIBUTED BY: Ethan Kong | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Data Science , Engineering , ...
3
REPLIES
7K
VIEWS

[WSS24] Particles in a box: kinetic gas theory and simulations

CONTRIBUTED BY: Jakub Trzaska | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Graphics and Visualization , Modeling , ...
3
REPLIES
5.5K
VIEWS

How do I tune my NDSolve code to start fast, so it can be run hundreds of times?

QUESTION FROM: Kaden Tro | 1 year ago BY: Gareth Russell
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
2.4K
VIEWS

Discrete damped harmonic oscillator

CONTRIBUTED BY: Brian Beckman | 1 year ago BY: Brian Beckman
Staff Picks , Calculus , Control Systems , Dynamic Interactivity , ...
3
REPLIES
6.3K
VIEWS

3D videos from all Wolfram universe models

CONTRIBUTED BY: Tuomas Sorakivi | 1 year ago BY: Tuomas Sorakivi
Computational Systems , Computer-Based Maths , ...
3
REPLIES
10.7K
VIEWS
3
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