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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.

Discussions List Discussions List

Why does FourierTransform return 0, while it's obviously incorrect?

QUESTION FROM: feature engineer | 5 years ago BY: feature engineer
Calculus , Mathematics , Optics , Physics , Wolfram Language
4
REPLIES
7.3K
VIEWS

[?] Make a project about parallel RLC circuit gain and Q?

QUESTION FROM: Mohammad Hassan Ramezan zadeh | 5 years ago BY: Mohammad Hassan Ramezan zadeh
Dynamic Interactivity , Engineering , Mathematics , Physics , ...
4
REPLIES
7K
VIEWS

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
7.2K
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
6.9K
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
9.3K
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
14.5K
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
11.2K
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
8.7K
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
7.1K
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
32.1K
VIEWS

Can someone interpret the output?

QUESTION FROM: Jonas Hamp | 7 years ago BY: Jonas Hamp
Computer-Based Maths , Discrete Mathematics , Mathematica , ...
4
REPLIES
11.9K
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
12.1K
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
11.6K
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
15.9K
VIEWS

A period function for anharmonic oscillations

CONTRIBUTED BY: Brad Klee | 9 years ago BY: Brad Klee
Staff Picks , Astronomy , Mathematics , Physics , ...
4
REPLIES
15.3K
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
7.9K
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
8.6K
VIEWS

Using NonlinearModelFit for complex data ?

QUESTION FROM: Christian Neel | 9 years ago BY: Gale Bradfield
Data Science , Engineering , Mathematics , Physics , ...
4
REPLIES
15.6K
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
11.1K
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
5.4K
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
9.9K
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
14.1K
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
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