Group Abstract Group Abstract

«Groups
Physics
Join
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

Optimal lighting configuration of 5 lamps in a square room

QUESTION FROM: Todd Rowland | 13 years ago BY: Todd Rowland
Architecture , Challenges , Engineering , Mathematics , Optics , ...
12
REPLIES
44.5K
VIEWS

Modeling jump conditions in interphase mass transfer

QUESTION FROM: Tim Laska | 7 years ago BY: Anonymous User
Staff Picks , Calculus , Chemical Engineering , Chemistry , ...
19
REPLIES
41.6K
VIEWS

Simulating mechanics of a cylinder rolling on a parabola

QUESTION FROM: Jef Barthe | 13 years ago BY: Erik Mahieu
Engineering , Mathematica , Physics , SystemModeler
12
REPLIES
41.2K
VIEWS

Why are some professors negative on Mathematica?

QUESTION FROM: Luther Nayhm | 11 years ago BY: David J M Park Jr
Calculus , Mathematica , Physics , Wolfram Language
31
REPLIES
38K
VIEWS

Modeling a Trebuchet

QUESTION FROM: Varun Kulkarni | 10 years ago BY: Frederick Wu
Modeling , Numerical Computation , Physics , Wolfram Language
28
REPLIES
37.7K
VIEWS

Mathematica for General Relativity and Gravity research

QUESTION FROM: Boris Latosh | 12 years ago BY: Frank Kampas
Astronomy , Mathematica , Mathematics , Physics , Wolfram Language
10
REPLIES
35.5K
VIEWS

How to use the Wolfram|Alpha time dilation calculator on Black Holes?

QUESTION FROM: Jack M | 8 years ago BY: Joseph Wiese
Astronomy , Mathematics , Physics , Wolfram|Alpha
9
REPLIES
31.9K
VIEWS

How can I fit a gaussian function to data in Mathematica? (no distribution)

QUESTION FROM: Thomas H | 11 years ago BY: Thomas H
Data Science , Mathematica , Physics
5
REPLIES
31.5K
VIEWS

Plotting bifurcation diagrams using Mathematica

QUESTION FROM: Omer Tzuk | 11 years ago BY: Sean Clarke
Graphics and Visualization , Mathematica , Physics , Wolfram Language
1
REPLIES
30K
VIEWS

Hodgkin-Huxley cable equation or propogation equation

QUESTION FROM: Jake Trexel | 13 years ago BY: Jake Trexel
Biological Sciences , Equation Solving , Mathematics , Physics , ...
18
REPLIES
29.5K
VIEWS

My program has been running for two days. Is this normal?

QUESTION FROM: Hui Sun | 11 years ago BY: Hui Sun
Aerospace Engineering , Mathematics , Mechanical Engineering , Physics
10
REPLIES
29.4K
VIEWS

Recorded accelerometer data to PSD plot?

QUESTION FROM: George Thiel | 11 years ago BY: Caitlin Ramsey
Aerospace Engineering , Civil Engineering , Engineering , ...
3
REPLIES
27.1K
VIEWS

Mathematica gives absolutely no output

QUESTION FROM: Nathan Lundholm | 11 years ago BY: George Woodrow III
Astronomy , Physics
3
REPLIES
25.8K
VIEWS

The quantity is not a quantified system of equations and inequalities

QUESTION FROM: Giovanni Ferdina | 11 years ago BY: Giovanni Ferdina
Aerospace Engineering , Chemical Engineering , Civil Engineering , ...
3
REPLIES
25.5K
VIEWS

Finding the actual wind power at a location for a given period?

QUESTION FROM: Daniel Connell | 10 years ago BY: Nicholas Teague
Environmental Science , Mathematics , Numerical Computation , ...
5
REPLIES
25.4K
VIEWS

Best general relativity / Mathematica code book?

QUESTION FROM: John Mercer | 5 years ago BY: Keith Dow
Physics , Wolfram Language
6
REPLIES
25.2K
VIEWS

How to plot {x,y,z,i} data?

QUESTION FROM: Anna Regoutz | 13 years ago BY: Darya Aleinikava
Chemistry , Graphics and Visualization , Mathematica , Physics
10
REPLIES
24.9K
VIEWS

Possible to model crystal growth with cellular automata?

QUESTION FROM: Katherine Derbyshire | 1 year ago BY: Updating Name
Material Sciences , Mathematica , Physics , Wolfram Science
7
REPLIES
24.8K
VIEWS

Solve differential equation to describe the motion of simple pendulum

QUESTION FROM: Julian Lovlie | 9 years ago BY: Javier Gonzalez-Rocha
Engineering , Mathematica , Physics
7
REPLIES
23.9K
VIEWS

[?] Calculate moment of inertia from STL?

QUESTION FROM: Daniel Marsden-Jones | 9 years ago BY: Daniel Marsden-Jones
Mathematics , Mechanical Engineering , Physics , ...
3
REPLIES
23.2K
VIEWS

Triple integrals in wolframalpha

QUESTION FROM: Adriana Zerbini | 11 years ago BY: Adriana Zerbini
Calculus , Mathematics , Physics , Wolfram|Alpha
2
REPLIES
23.1K
VIEWS

Distance between 2 flat molecules

QUESTION FROM: A Y | 12 years ago BY: Mohammad Khan
Chemistry , Geometry , Mathematica , Mathematics , Physics , ...
13
REPLIES
23K
VIEWS

Model the Coffee cooling problem with WSM?

QUESTION FROM: Gary Bass | 9 years ago BY: Gary Bass
Education , Modeling , Physics , SystemModeler
10
REPLIES
22.9K
VIEWS

resolution of an equation

QUESTION FROM: abddellatif loua | 10 years ago BY: abddellatif loua
Calculus , Equation Solving , Group Theory , Optimization , ...
14
REPLIES
22.5K
VIEWS

Save the interpolation function that is a result of NDsolve?

QUESTION FROM: Markus Schmidt | 6 years ago BY: Tony Coliderse
Calculus , Equation Solving , Mathematics , Modeling , ...
14
REPLIES
22.3K
VIEWS

Radians as Dimensionless Unit?

QUESTION FROM: Eric Hudson | 7 years ago BY: Francisco Rodríguez
Physics , Units , Wolfram Language
10
REPLIES
21.7K
VIEWS

Philosophy of Time

QUESTION FROM: Barry Silverman | 3 years ago BY: Jarek Duda
Physics , Wolfram Fundamental Physics Project , Wolfram Science
11
REPLIES
21.5K
VIEWS

Singularity problem in “NDSolve” in Mathematica

QUESTION FROM: moumita das | 13 years ago BY: Frank Kampas
Equation Solving , Mathematica , Physics
3
REPLIES
21.2K
VIEWS

How to delete all output cell by one click ?

QUESTION FROM: Yoshihiro Sato | 12 years ago BY: Yoshihiro Sato
Physics , Wolfram Cloud
5
REPLIES
20.8K
VIEWS

Functional Programming for Non-linear Equations

QUESTION FROM: Pat Mac | 13 years ago BY: Pat Mac
Biological Sciences , Chemistry , High-Performance Computing , ...
4
REPLIES
20.8K
VIEWS

Numerical solution of one dimensional Schrodinger equation

QUESTION FROM: Mojtaba M | 12 years ago BY: Michael Hale
Calculus , Mathematica , Numerical Computation , Physics , ...
4
REPLIES
20.8K
VIEWS

Problems with 'Recursion depth of 1024 exceeded during evaluation of '.

QUESTION FROM: Alexandre AZIER | 10 years ago BY: Otto Linsuain
Mathematics , Physics , Signal Processing , Wolfram Language
2
REPLIES
20.2K
VIEWS

Solve the Nonlinear Schroedinger Equation with NDSolve?

QUESTION FROM: Markus Schmidt | 8 years ago BY: Markus Schmidt
Equation Solving , Mathematica , Modeling , Numerical Computation , ...
16
REPLIES
20K
VIEWS

Double pendulum in Mathematica

QUESTION FROM: Jonatan M?czy?ski | 8 years ago BY: Raspi Rascal
Demonstrations , Mathematica , Physics , Wolfram Language
5
REPLIES
19.8K
VIEWS

Simple Math Problem Shows Massive Flaw In All Machine Learning Algorythims

QUESTION FROM: David Johnston | 11 years ago BY: David Johnston
Computer Science , Data Science , Discrete Mathematics , ...
3
REPLIES
19.8K
VIEWS

Where are notebooks for "Classical Mechanics with Mathematica", 2nd ed?

QUESTION FROM: Murray Eisenberg | 5 years ago BY: Raspi Rascal
Authoring and Publishing , Mathematica , Mathematics , Physics , ...
10
REPLIES
19.7K
VIEWS

New to Wolframalpha, need to teach with it

QUESTION FROM: Lesa Kean | 11 years ago BY: Frank Kampas
Algebra , Calculus , Education , Mathematica , Mathematics , ...
2
REPLIES
19.5K
VIEWS

Create a color gradient using a variable?

QUESTION FROM: John Wick | 6 years ago BY: Hans Dolhaine
Graphics and Visualization , Physics , Wolfram Language
39
REPLIES
19.3K
VIEWS

use of the $ symbol

QUESTION FROM: Luis Ledesma | 13 years ago BY: Jari Kirma
Authoring and Publishing , Computer Science , Data Science , ...
4
REPLIES
19.1K
VIEWS

Block-diagonalization of a real skew-symmetric matrix

QUESTION FROM: Luca Taddia | 13 years ago BY: Luca Taddia
Mathematica , Mathematics , Physics
8
REPLIES
19K
VIEWS

Advice on Wolfram Products for my website

QUESTION FROM: sihle mgobozi | 13 years ago BY: sihle mgobozi
Algebra , Calculus , Chemistry , Demonstrations , Mathematics , ...
3
REPLIES
19K
VIEWS

SystemModeler Failed to reduce the DAE index. What do I do now?

QUESTION FROM: nick Granger-Brown | 13 years ago BY: nick Granger-Brown
Engineering , Physics , SystemModeler
3
REPLIES
18.8K
VIEWS

Imperfect Bose gas nonlinear Schroedinger type ODE numerical solution

QUESTION FROM: Mattia Udina | 11 years ago BY: Michael Trott
Calculus , Mathematics , Numerical Computation , Physics , ...
37
REPLIES
18.7K
VIEWS

Animate quantum wave plot

QUESTION FROM: Max Fischer | 12 years ago BY: Humberto Munoz Bauza
Calculus , Graphics and Visualization , Mathematica , Physics
14
REPLIES
18.5K
VIEWS

Integrate will not evaluate three-dimensional gaussian

QUESTION FROM: C. E. Coppola | 12 years ago BY: W. Craig Carter
Astronomy , Chemical Engineering , Computer Science , Data Science , ...
8
REPLIES
18.3K
VIEWS

Bottlenecking Code

QUESTION FROM: Jake Smith | 12 years ago BY: Michael Rogers
Mathematica , Numerical Computation , Physics , Tuning and Debugging
2
REPLIES
18.1K
VIEWS

Simultaneous fitting to multiple data sets with multiple variables and para

QUESTION FROM: Arijit Sharma | 12 years ago BY: Arijit Sharma
Engineering , Image Processing , Mathematics , Modeling , Optics , ...
2
REPLIES
18.1K
VIEWS

List all build-in physical constants in Mathematica 11.3?

QUESTION FROM: Sascha Tayefeh | 7 years ago BY: Sascha Tayefeh
Curated Data , Mathematica , Physics , Wolfram Language
10
REPLIES
17.9K
VIEWS

Help needed with code optimization in Manipulate

QUESTION FROM: Luca M | 13 years ago BY: Luca M
Dynamic Interactivity , Graphics and Visualization , Mathematica , ...
7
REPLIES
17.9K
VIEWS

How to solve a system of Non-linear equations

QUESTION FROM: Marcelo De Cicco | 12 years ago BY: Marcelo De Cicco
Mathematica , Physics
19
REPLIES
17.8K
VIEWS
1
2
3
4
5

Group Count Group Count

1404 Discussions

Group Branding Group Branding

New Discussion New Discussion

ACTIVE MEMBERS ACTIVE MEMBERS

RELATED GROUPS RELATED GROUPS

RELATED GROUPS
Mathematics 6K discussions 4K subscriptions
Wolfram Language 11K discussions 2K subscriptions
Numerical Computation 1K discussions 1K subscriptions
Optimization 552 discussions 935 subscriptions
Staff Picks 2K discussions 832 subscriptions
Quantum Computing 38 discussions 307 subscriptions
Symbolic Computations 964 discussions 745 subscriptions