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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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Compute sums containing Clebsch Gordan coefficients?

QUESTION FROM: Robert Poenaru | 6 years ago BY: Sjoerd Smit
Mathematics , Numerical Computation , Physics , Wolfram Language
1
REPLIES
7.1K
VIEWS

Use FindFit to get the rate constants for a chemical reaction?

QUESTION FROM: Troy Wahl | 6 years ago BY: Sjoerd Smit
Chemistry , Mathematics , Modeling , Physics , Wolfram Language
3
REPLIES
8.9K
VIEWS

Finding the first integral of a differential equation?

QUESTION FROM: Syed Naqvi | 6 years ago
Astronomy , Physics
0
REPLIES
3.9K
VIEWS

Finding the tangents of the function in each mesh

QUESTION FROM: Alper Ozel | 6 years ago
Calculus , Graphics and Visualization , Mathematics , Physics , ...
0
REPLIES
2.3K
VIEWS

Problem with a simple 2D RC network

QUESTION FROM: Andras Gilicz | 6 years ago BY: Andras Gilicz
Engineering , Modeling , Physics , SystemModeler
6
REPLIES
9.6K
VIEWS

Fix graphics from Demo "Isotope Browser" (no graphics output)

QUESTION FROM: David Wood | 6 years ago BY: David Wood
Chemistry , Demonstrations , Physics , Wolfram CDF Player , ...
2
REPLIES
8.6K
VIEWS

Solve a porous media problem (The Henry problem)?

QUESTION FROM: Antonio Soto | 6 years ago
Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
2.6K
VIEWS

Model a wave equation forced oscillation, A(t)?

QUESTION FROM: Anonymous User | 6 years ago BY: Anonymous User
Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
2.7K
VIEWS

Avoid a syntax error while calculating jet velocities?

QUESTION FROM: Dan Rivera | 6 years ago BY: Daniel Lichtblau
Mathematics , Physics , Wolfram Language
3
REPLIES
5.9K
VIEWS

Solve numerically a diffusion equation with fully reflecting wall?

QUESTION FROM: Erez A | 6 years ago
Equation Solving , Mathematics , Numerical Computation , Packages , ...
0
REPLIES
2.9K
VIEWS

Integration execution is very slow.

QUESTION FROM: Mustafa Ibrahim | 6 years ago BY: Daniel Lichtblau
Mathematics , Physics
1
REPLIES
4.3K
VIEWS

Count the number of orbits from this Orbit Data?

QUESTION FROM: T P | 6 years ago
Graphics and Visualization , Mathematics , Physics , ...
0
REPLIES
3.9K
VIEWS

Mathematica kernel crashing after repeated use of NMinimize

QUESTION FROM: Helena Kolesova | 6 years ago BY: Shenghui Yang
Computer Science , Data Science , Mathematics , Physics
12
REPLIES
9.8K
VIEWS

Simplify my integrand to make the function Integrate[] work?

QUESTION FROM: Sida Liu | 6 years ago BY: Sida Liu
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
6.8K
VIEWS

Import a 3D head model and interact with it with an animated 2D graph?

QUESTION FROM: alie rainh | 6 years ago BY: Rohit Namjoshi
Curated Data , Dynamic Interactivity , Graphics and Visualization , ...
2
REPLIES
5.3K
VIEWS

Who understands the malfunction of the attached simulation?

QUESTION FROM: Ulrich Mutze | 6 years ago BY: Ulrich Mutze
Demonstrations , Mathematica , Modeling , Physics
8
REPLIES
11.9K
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

List all build-in physical constants in Mathematica 11.3?

QUESTION FROM: Sascha Tayefeh | 6 years ago BY: Sascha Tayefeh
Curated Data , Mathematica , Physics , Wolfram Language
10
REPLIES
17.2K
VIEWS

Heisenberg uncertainty for the harmonic oscillator?

QUESTION FROM: Ana Monea | 6 years ago BY: Hans Dolhaine
Calculus , Mathematics , Physics , Wolfram Language
2
REPLIES
5.7K
VIEWS

Animate these 2D plots?

QUESTION FROM: Ricardo Waste | 6 years ago BY: Ricardo Waste
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
8
REPLIES
5.1K
VIEWS

[?] ParametricPlot results of a diff eqn that are interpolating functions?

QUESTION FROM: Ertan Salik | 6 years ago BY: Mariusz Iwaniuk
Engineering , Equation Solving , Mathematica , Mathematics , Physics
3
REPLIES
6.3K
VIEWS

NDSolve for a heat differential equation with periodic boundary conditions?

QUESTION FROM: Markus Schmidt | 6 years ago BY: Henrik Schachner
Calculus , Engineering , Equation Solving , Mathematics , ...
6
REPLIES
13.1K
VIEWS

[?] Why NDSolve give a run-away solution for a hamiltonian system?

QUESTION FROM: Meir Lewkowicz | 7 years ago BY: Meir Lewkowicz
Equation Solving , Mathematics , Numerical Computation , Physics , ...
7
REPLIES
6.1K
VIEWS

Solve equations for Damped Precession of Magnetic Moment?

QUESTION FROM: David Sanderson | 7 years ago BY: Rohit Namjoshi
Equation Solving , Mathematics , Physics , Wolfram Language
1
REPLIES
3.8K
VIEWS

Perform a derivation with Dirac symbols?

QUESTION FROM: Xiaosong Zhu | 7 years ago
Mathematica , Mathematics , Optics , Physics , ...
0
REPLIES
3.6K
VIEWS

Fit the data with Bessel functions using FindFit?

QUESTION FROM: Qiang Li | 7 years ago BY: EDITORIAL BOARD
Optimization , Mathematics , Physics , Wolfram Language
1
REPLIES
5.1K
VIEWS

Modeling jump conditions in interphase mass transfer

QUESTION FROM: Tim Laska | 6 years ago BY: Anonymous User
Staff Picks , Calculus , Chemical Engineering , Chemistry , ...
19
REPLIES
38.8K
VIEWS

Add errorbars to a ListLogLogPlot?

QUESTION FROM: Pouria Samieadel | 7 years ago BY: Hans Dolhaine
Graphics and Visualization , Mathematics , Physics , Wolfram Language
1
REPLIES
3.8K
VIEWS

Solve the Nonlinear Schroedinger Equation with NDSolve?

QUESTION FROM: Markus Schmidt | 7 years ago BY: Markus Schmidt
Equation Solving , Mathematica , Modeling , Numerical Computation , ...
16
REPLIES
18.9K
VIEWS

Why a norm preserving stochastic dynamics does not preserve the norm?

QUESTION FROM: Mads Bahrami | 7 years ago
Calculus , Equation Solving , Mathematics , Modeling , ...
0
REPLIES
2.6K
VIEWS

Perform an optical spectra (IR absorption) deconvolution?

QUESTION FROM: Michael Reznikov | 7 years ago BY: Michael Reznikov
Mathematics , Optics , Physics , Wolfram Language
2
REPLIES
8.3K
VIEWS

Calculate the following Riemann tensor?

QUESTION FROM: Firat Domrul | 7 years ago
Calculus , Mathematics , Physics , Wolfram Language
0
REPLIES
2.5K
VIEWS

Plot the following dipole function with GradientFieldPlot?

QUESTION FROM: Waqar ahmed | 7 years ago BY: Marco Thiel
Graphics and Visualization , Mathematics , Packages , Physics , ...
1
REPLIES
5.9K
VIEWS

Solve a coupled second order differential equations of two variables?

QUESTION FROM: Shivi Sv | 7 years ago BY: Shivi Sv
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
9
REPLIES
10.5K
VIEWS

Solve a second order ODE modeling a mass-spring system?

QUESTION FROM: Areeb Qureshi | 7 years ago BY: Alexander Trounev
Control Systems , Engineering , Equation Solving , Mathematics , ...
7
REPLIES
9.5K
VIEWS

Output the numerical expression of a function?

QUESTION FROM: Sebastian Perez | 7 years ago BY: Alexander Trounev
Compilation , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
9.2K
VIEWS

Speed up evaluation of this integral?

QUESTION FROM: tom ri | 7 years ago BY: Alexander Trounev
Calculus , Mathematics , Numerical Computation , Physics , ...
3
REPLIES
6.8K
VIEWS

Plot the elliptical orbit from a Lagrangian?

QUESTION FROM: leonia dasilva | 7 years ago BY: Frank Kampas
Astronomy , Calculus , Equation Solving , ...
2
REPLIES
8.6K
VIEWS

Find the angle with which the projectile was launched?

QUESTION FROM: tadas Gricius | 7 years ago BY: Mariusz Iwaniuk
Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
6K
VIEWS

Simulate the motion of the Earth around the Sun based on Kepler's Law?

QUESTION FROM: Senlau Minto | 7 years ago BY: Senlau Minto
Astronomy , Equation Solving , Mathematics , Modeling , Physics , ...
13
REPLIES
14.6K
VIEWS

Faster ways to solve symmetric top problem?

QUESTION FROM: Ox Clouding | 7 years ago BY: Ox Clouding
Calculus , Equation Solving , Mathematics , Modeling , ...
17
REPLIES
13.4K
VIEWS

Plot a free energy landscape analysis?

QUESTION FROM: Budheswar Dehury | 3 years ago BY: Ajit Kumar Singh
Graphics and Visualization , Mathematics , Physics , Wolfram Language
2
REPLIES
7.3K
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

Optimize release angle of a trebuchet (highschool project)?

QUESTION FROM: lasse thiellesen | 7 years ago BY: Erik Mahieu
Calculus , Engineering , Optimization , Mathematics , Physics , ...
3
REPLIES
9K
VIEWS

Thanks for helping

QUESTION FROM: Lina Persson | 7 years ago BY: Mariusz Iwaniuk
Astronomy , Calculus , Mathematics , Physics , Wolfram Language
5
REPLIES
8K
VIEWS

Get a numerical solution to a nonlinear ODE?

QUESTION FROM: kolod al | 7 years ago BY: Shenghui Yang
Equation Solving , Mathematics , Numerical Computation , Physics , ...
7
REPLIES
5.1K
VIEWS

Scatter plotting satellites?

QUESTION FROM: Mathison Ott | 7 years ago BY: EDITORIAL BOARD
Astronomy , Curated Data , Data Science , ...
2
REPLIES
7.3K
VIEWS

Extract the real solutions among many which are complex?

QUESTION FROM: Hong-Yee Chiu | 7 years ago BY: Hong-Yee Chiu
Equation Solving , Mathematics , Physics , Wolfram Language
6
REPLIES
6.7K
VIEWS

Generate a mesh in order to do a heat transfer analysis?

QUESTION FROM: Archie Watts-Farmer | 7 years ago BY: Alexander Trounev
Engineering , Equation Solving , Graphics and Visualization , ...
1
REPLIES
9.5K
VIEWS

Avoid issue while using Mathematica wrapper with coolprop?

QUESTION FROM: Cezary Czajkowski | 7 years ago
Compilation , External Programs and Systems , Mathematica , Physics , ...
0
REPLIES
4.8K
VIEWS
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