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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

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

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

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

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

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

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

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
9.9K
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

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
11.8K
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
11.3K
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
4.7K
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
4.7K
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

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
7.3K
VIEWS

Integral not evaluating

QUESTION FROM: Caleb Spires | 11 years ago BY: Daniel Lichtblau
Chemical Engineering , Chemistry , Computer Science , Mathematics , ...
4
REPLIES
9.8K
VIEWS

Self dual tensors in Mathematica 9

QUESTION FROM: Ofri Telem | 11 years ago BY: Udo Krause
Algebra , Mathematica , Physics , Wolfram Language
4
REPLIES
7.7K
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
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