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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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[WSS18] Optimal Packing of Bidisperse Circles

CONTRIBUTED BY: Thiago Bergamaschi | 7 years ago BY: Thiago Bergamaschi
Computer Science , Graphics and Visualization , Material Sciences , ...
6
REPLIES
14K
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

Spinning Top — How can you visualize gyroscopic precession?

QUESTION FROM: Raspi Rascal | 7 years ago BY: Anonymous User
Dynamic Interactivity , Engineering , Graphics and Visualization , ...
1
REPLIES
6.4K
VIEWS

Solve a set of 4 equations?

QUESTION FROM: VASILEIOS MPISKETZIS | 7 years ago BY: Frank Kampas
Equation Solving , Mathematics , Physics , Wolfram Language
1
REPLIES
4.2K
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

2D likelihood. Calculate ellipses that contains a 95% of the area

QUESTION FROM: daniele barducci | 7 years ago BY: Anonymous User
Calculus , Equation Solving , Geometry , Mathematics , ...
7
REPLIES
7.8K
VIEWS

Avoid problems with converting dimensionless units?

QUESTION FROM: Nathanael Mayo | 7 years ago BY: Nathanael Mayo
Physics , Units , Wolfram Language
2
REPLIES
7K
VIEWS

Get a steady PlotLabel for a running simulation graphics?

QUESTION FROM: Ulrich Mutze | 7 years ago BY: Ulrich Mutze
Graphics and Visualization , Mathematics , Physics , Wolfram Language
2
REPLIES
6.8K
VIEWS

Obtain temperature values from the pixel values of a thermal image?

QUESTION FROM: sampath rachumallu | 7 years ago BY: Alexander Trounev
Image Processing , Physics , Wolfram Language
1
REPLIES
5.3K
VIEWS

Plot a wave in 3d

QUESTION FROM: Ehud Behar | 7 years ago BY: Frank Kampas
Calculus , Graphics and Visualization , Mathematics , Physics , ...
1
REPLIES
6.2K
VIEWS

Plot a function within a circle, e.g. stresses within a loaded disk?

QUESTION FROM: jiri havir | 7 years ago BY: jiri havir
Graphics and Visualization , Mathematics , Modeling , Physics , ...
6
REPLIES
8.5K
VIEWS

Decrease a Dataset size in RAM?

QUESTION FROM: Andrea Barresi | 7 years ago BY: Andrea Barresi
Data Science , Import and Export , Mathematica , Optimization , ...
3
REPLIES
8.2K
VIEWS

Get strain-stress relationship in spherical coordinates with Poisson ratio?

QUESTION FROM: Gennaro Arguzzi | 7 years ago BY: Alexander Trounev
Engineering , Mathematics , Physics , Wolfram Language
1
REPLIES
9K
VIEWS

Plot with VectorPlot over a region

QUESTION FROM: Ehud Behar | 7 years ago BY: Gianluca Gorni
Calculus , Education , Graphics and Visualization , Mathematica , ...
3
REPLIES
6.1K
VIEWS

Phase unwrapping

CONTRIBUTED BY: Sander Huisman | 5 years ago BY: Nicolas Molano
Staff Picks , Control Systems , Data Science , ...
8
REPLIES
27.2K
VIEWS

Solve trigonometric equation system?

QUESTION FROM: Enrico Catanzani | 7 years ago BY: Enrico Catanzani
Equation Solving , Mathematics , Physics , Wolfram Language
9
REPLIES
4.6K
VIEWS

Avoid error when using piecewise function in NDSolve?

QUESTION FROM: Rivera Rhys | 7 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Numerical Computation , Physics , ...
2
REPLIES
4.6K
VIEWS

Playing with Gilpin's Proposal for Advection-based Cryptographic Hashing

CONTRIBUTED BY: Michael Trott | 3 years ago BY: Kapio Letto
Staff Picks , Computer Science , Cryptography , Data Science , ...
4
REPLIES
18.2K
VIEWS

Find the field amplitude using the following equation?

QUESTION FROM: samira kettih | 7 years ago
Equation Solving , Graphics and Visualization , Mathematics , ...
0
REPLIES
3K
VIEWS

Obtain the field intensity at a certain position of a maser interferometer?

QUESTION FROM: samira kettih | 7 years ago BY: Alexander Trounev
Graphics and Visualization , Mathematics , Numerical Computation , ...
17
REPLIES
6.4K
VIEWS

Solve the Laplace equation of a circular loop using NDSolveValue ?

QUESTION FROM: Alvaro Martínez | 7 years ago BY: Alvaro Martínez
Equation Solving , Mathematics , Numerical Computation , Physics , ...
15
REPLIES
7.8K
VIEWS

Compute the Green's function for one dimensional Laplacian operator?

QUESTION FROM: Hiya Mukherjee | 7 years ago BY: Alexander Trounev
Calculus , Mathematics , Physics , Symbolic Computations , ...
1
REPLIES
4.7K
VIEWS

Save the interpolation function that is a result of NDsolve?

QUESTION FROM: Markus Schmidt | 5 years ago BY: Tony Coliderse
Calculus , Equation Solving , Mathematics , Modeling , ...
14
REPLIES
21.2K
VIEWS

Use the LevenbergMarquardt method with FindFit?

QUESTION FROM: pantelidis | 7 years ago BY: pantelidis
Optimization , Mathematics , Physics , Wolfram Language
16
REPLIES
7.8K
VIEWS

Manipulate histograms and normal distribution code line?

QUESTION FROM: Aditi Sharma | 7 years ago BY: EDITORIAL BOARD
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
1
REPLIES
4K
VIEWS

Use an algorithm to obtain numerical solutions for the EW vacuum bounce?

QUESTION FROM: Benjamin Leather | 7 years ago BY: Anonymous User
Equation Solving , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
4.5K
VIEWS

What is wrong in my code for shooting method to solve 4 ODEs?

QUESTION FROM: Pragyan Sarma | 7 years ago
Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
2.8K
VIEWS

Find / "reverse engineer" a formula?

QUESTION FROM: Tanner Craker | 7 years ago BY: Pedro Fonseca
Mathematics , Physics , Wolfram Language
5
REPLIES
10.7K
VIEWS

Complex Variable Description of Harmonic Oscillator

CONTRIBUTED BY: Frank Kampas | 7 years ago
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
0
REPLIES
2.1K
VIEWS

ThermodynamicData: Incorrect reference state for CO2

CONTRIBUTED BY: Glenn Carlson | 7 years ago BY: Anonymous User
Chemistry , Curated Data , Mathematica , Physics , Wolfram Language
3
REPLIES
10.5K
VIEWS

[?] Get right eigenvalues from a sparse matrix?

QUESTION FROM: xiaohua miao | 7 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
4.4K
VIEWS

Calculate the entropy of saturated vapor?

QUESTION FROM: Glenn Carlson | 7 years ago BY: Glenn Carlson
Chemistry , Curated Data , Mathematics , Physics , Units , ...
3
REPLIES
10K
VIEWS

[?] Find pressure corresponding to an entropy (s) and temperature (t)?

QUESTION FROM: Glenn Carlson | 7 years ago BY: Glenn Carlson
Curated Data , Equation Solving , Mathematics , Physics , Units , ...
2
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
4K
VIEWS

Large-argument expansion of MeijerG off by a factor of 2?

QUESTION FROM: Michael Fedderke | 7 years ago BY: Michael Fedderke
Mathematica , Mathematics , Operating System and Network Access , ...
1
REPLIES
3.8K
VIEWS

[?] Get a solution for a hard spring?

QUESTION FROM: manjunath c | 7 years ago BY: Marco Thiel
Equation Solving , Mathematics , Physics , Wolfram Language
1
REPLIES
4.4K
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

[?] Fit experimental data with some analytic formulas?

QUESTION FROM: Robert Poenaru | 7 years ago BY: Jim Baldwin
Mathematics , Physics , Wolfram Language
5
REPLIES
5.6K
VIEWS

Draw the level curves defined by an implicit integral equation?

QUESTION FROM: Jonathan Crabbé | 7 years ago BY: Jonathan Crabbé
Calculus , Graphics and Visualization , Mathematics , Physics , ...
2
REPLIES
4.1K
VIEWS

Calculate a line integral in a close path for a list of data?

QUESTION FROM: Ghady Almufleh | 7 years ago BY: Ghady Almufleh
Calculus , Mathematics , Physics , Wolfram Language
2
REPLIES
5.7K
VIEWS

Initial position issues when updating to SystemModeler from 5.0 to 5.1

QUESTION FROM: JOSE OLIVER | 7 years ago BY: JOSE OLIVER
Modeling , Physics , SystemModeler
7
REPLIES
9.7K
VIEWS

Improve numerical Fourier transformation on interpolation function?

QUESTION FROM: Markus Schmidt | 7 years ago BY: Daniel Lichtblau
Discrete Mathematics , Mathematics , Numerical Computation , ...
1
REPLIES
8.1K
VIEWS

Development of the ideas of Prof. Karl Svozil and Prof. Cristian Calude

CONTRIBUTED BY: Gavriel Segre | 7 years ago
Staff Picks , Authoring and Publishing , Mathematics , Physics , ...
0
REPLIES
4.6K
VIEWS

Plot parabolic equations using modules?

QUESTION FROM: Yoon Young Jin | 7 years ago BY: Yoon Young Jin
Graphics and Visualization , Mathematics , Physics , Wolfram Language
2
REPLIES
5.1K
VIEWS

Create a circular spline for a repeating function?

QUESTION FROM: Thomas Dobroth | 7 years ago BY: J. M.
Computer Science , Control Systems , Mathematics , Physics , ...
1
REPLIES
9.3K
VIEWS

[?] Use transformation matrices that act on vector?

QUESTION FROM: andreusp6 | 7 years ago BY: Hans Milton
Algebra , Mathematics , Physics , Symbolic Computations , ...
2
REPLIES
5.2K
VIEWS

Conway's structures

CONTRIBUTED BY: Hans Dolhaine | 7 years ago BY: Hans Dolhaine
Biological Sciences , Chemistry , Graphics and Visualization , ...
3
REPLIES
7.4K
VIEWS

Thermochemical analysis: linking Mathematica and CEA

CONTRIBUTED BY: Gianluca Proia | 7 years ago
Chemistry , Curated Data , Engineering , ...
0
REPLIES
5K
VIEWS

[?] Get a chart of frequency data?

QUESTION FROM: Daniel Wenczel | 7 years ago BY: Marco Thiel
Graphics and Visualization , Mathematics , Physics , Wolfram Language
2
REPLIES
4.9K
VIEWS

54cd5av sfwgwfe

QUESTION FROM: Bayal Rehman | 7 years ago BY: Bayal Rehman
Graphics and Visualization , Mathematics , Physics , ...
2
REPLIES
6.9K
VIEWS

Use the Dirchelet Type B.C. for the 2D pde heat equation?

QUESTION FROM: Anthony Kalinowski | 7 years ago BY: Alexander Trounev
Equation Solving , Mathematics , Modeling , Numerical Computation , ...
1
REPLIES
5K
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
7.2K
VIEWS

Create a Manipulate with a long list of ODE?

QUESTION FROM: Arm Mo | 7 years ago
Dynamic Interactivity , Equation Solving , ...
0
REPLIES
4.6K
VIEWS

Integral of DiracDelta

QUESTION FROM: Carlos Soria-Hoyo | 7 years ago BY: Henrik Schachner
Calculus , Mathematics , Physics , Symbolic Computations , ...
3
REPLIES
4.4K
VIEWS

Get rid of the error message "Syntax::stresc : Unknown string escape \e."?

QUESTION FROM: shakiba sadeghi | 7 years ago BY: Gianluca Gorni
Physics , Wolfram Language
1
REPLIES
7.6K
VIEWS

[?]Create a network of 300 nodes that can be clustered into 100-node chunks

QUESTION FROM: Boris Barron | 7 years ago BY: Boris Barron
Mathematica , Mathematics , Physics , Recreation
3
REPLIES
10.2K
VIEWS

Simplify the following mathematical computation?

QUESTION FROM: Reza rho | 7 years ago
Mathematics , Physics , Wolfram Language
0
REPLIES
3K
VIEWS

Solve a Matrix differential equation?

QUESTION FROM: Reza rho | 7 years ago BY: Reza rho
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
8.1K
VIEWS

[?] Solve this system of equations with some assumptions?

QUESTION FROM: Joe Ford | 7 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
3
REPLIES
16.4K
VIEWS

Solve a system of differential equations by using StateSpaceModel?

QUESTION FROM: Lucas Mendonça | 7 years ago
Engineering , Equation Solving , Mathematics , Physics , ...
0
REPLIES
3.9K
VIEWS

Set several parameters on a FEM Method for NDEIgensistem?

QUESTION FROM: BARBU DENISIA | 7 years ago
Engineering , Mathematics , Modeling , Numerical Computation , ...
0
REPLIES
4.1K
VIEWS

Plot a simple diagonal ball throw in water, changing resistance coefficient

QUESTION FROM: Leon F | 7 years ago BY: EDITORIAL BOARD
Calculus , Engineering , Equation Solving , ...
2
REPLIES
5.2K
VIEWS

Use graphdata to plot linked numbers from a formula?

QUESTION FROM: Luis Felipe Massena Misiec | 7 years ago BY: Luis Felipe Massena Misiec
Algebra , Data Science , Equation Solving , ...
3
REPLIES
5.8K
VIEWS

[?] Derive, solve and plot the equations of motion for the double pendulum?

QUESTION FROM: Jonas Hamp | 7 years ago BY: Yehuda Ben-Shimol
Equation Solving , Graphics and Visualization , Mathematics , ...
3
REPLIES
10.6K
VIEWS

Custom medium using a lookup table

QUESTION FROM: Eric Smith | 7 years ago
Modeling , Physics , SystemModeler
0
REPLIES
3.6K
VIEWS

[?] Solve equation a+b*x=cot(x) in Mathematica numerically?

QUESTION FROM: Bin ZHANG | 7 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Numerical Computation , Physics , ...
3
REPLIES
3.8K
VIEWS

Can someone interpret the output?

QUESTION FROM: Jonas Hamp | 7 years ago BY: Jonas Hamp
Computer-Based Maths , Discrete Mathematics , Mathematica , ...
4
REPLIES
12K
VIEWS

[?] Improve the results of NIntegrate - methods?

QUESTION FROM: Arny Toynbee | 7 years ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation , Physics , ...
3
REPLIES
10K
VIEWS

Plot a hamiltonian density for gauged vortices?

QUESTION FROM: Benjamin Leather | 8 years ago
Equation Solving , Graphics and Visualization , Mathematics , ...
0
REPLIES
2.7K
VIEWS

[?] Perform an approximation with radial basis functions?

QUESTION FROM: Peter a | 5 years ago BY: Michael Kelly
Algebra , Calculus , Discrete Mathematics , Mathematics , Physics , ...
2
REPLIES
13.2K
VIEWS

[GIF] Square and Triangle Curve Shortening Flows

CONTRIBUTED BY: Brad Klee | 8 years ago
Algebra , Calculus , Geometry , Graphics and Visualization , ...
0
REPLIES
5.8K
VIEWS

Problem: Light transport through biological tissue

QUESTION FROM: Alan Riordan | 8 years ago BY: Alan Riordan
Algebra , Equation Solving , Optics , Physics , Wolfram Language
6
REPLIES
10.1K
VIEWS

Get solutions to the gauged GL vortices in (1+1) dimensions?

QUESTION FROM: Benjamin Leather | 7 years ago BY: Paritosh Mokhasi
Equation Solving , Mathematics , Numerical Computation , Physics , ...
8
REPLIES
8.2K
VIEWS

[?] Join solutions to the Scrödinger Equation for a barrier potential?

QUESTION FROM: jallberg | 8 years ago BY: jallberg
Equation Solving , Mathematics , Physics , Wolfram Language
6
REPLIES
7.9K
VIEWS

Calculate the following integral with assumptions?

QUESTION FROM: Arny Toynbee | 8 years ago BY: Arny Toynbee
Mathematics , Physics , Symbolic Computations , Wolfram Language
5
REPLIES
10.9K
VIEWS

Plot the Poincare surface of section for the Henon-Heiles System?

QUESTION FROM: Dominik Vierl | 8 years ago BY: EDITORIAL BOARD
Equation Solving , Graphics and Visualization , Mathematics , ...
5
REPLIES
6.2K
VIEWS

[TMJ] Calculating RRKM Rate Constants from Vibrational Frequencies

CONTRIBUTED BY: EDITORIAL BOARD | 8 years ago
Chemistry , Dynamic Interactivity , Events & Media , ...
0
REPLIES
3.2K
VIEWS

Convert code V4.1 into code V11?

QUESTION FROM: Nikki Peter | 8 years ago BY: Patrick Scheibe
Graphics and Visualization , Mathematica , Optics , Packages , ...
2
REPLIES
12.6K
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
9.7K
VIEWS

Avoid syntax problems in the following functions?

QUESTION FROM: Minghui Wang | 8 years ago BY: EDITORIAL BOARD
Mathematics , Physics , Wolfram Language
1
REPLIES
3.3K
VIEWS

Dynamical Systems with Applications using Mathematica, 2nd Edition

CONTRIBUTED BY: Stephen Lynch | 8 years ago
Authoring and Publishing , Biological Sciences , Chemistry , ...
0
REPLIES
4.8K
VIEWS

Implement an external function to a discretionary notebook?

QUESTION FROM: Epsilon Tau | 8 years ago BY: Epsilon Tau
Mathematics , Physics , Presentation and Notebooks , Wolfram Language
3
REPLIES
5.3K
VIEWS

Read result file, avoid missing data matrix, the file might be corrupt?

QUESTION FROM: Foad Sojoodi Farimani | 8 years ago
Engineering , Physics , SystemModeler
0
REPLIES
3.7K
VIEWS

[?]  Trace path of a point from a body using MultiBody library in SM?

QUESTION FROM: JOSE OLIVER | 8 years ago BY: Otto Tronarp
Modeling , Physics , SystemModeler
3
REPLIES
9K
VIEWS

Avoid warning without disabling it for this plot?

QUESTION FROM: Janos Lobb | 8 years ago BY: Udo Krause
Graphics and Visualization , Mathematics , Physics , Wolfram Language
1
REPLIES
6.1K
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

Soccer Field Theory

CONTRIBUTED BY: Todd Rowland | 8 years ago BY: Todd Rowland
Computer-Based Maths , Discrete Mathematics , Education , Geometry , ...
3
REPLIES
12.4K
VIEWS

Get the proper Magnetic Flux Density of a rectangular bar magnet?

QUESTION FROM: Janos Lobb | 8 years ago
Curated Data , Mathematics , Physics , Units , Wolfram Language
0
REPLIES
3.8K
VIEWS

[?] Run this example of SystemModeler Blog?

QUESTION FROM: jiwon hwang | 8 years ago BY: Patrik Ekenberg
Connected Devices , Control Systems , ...
3
REPLIES
12.5K
VIEWS

Define a function that depends of initial conditions within of PDEs?

QUESTION FROM: Rodrigo Lopez | 8 years ago
Equation Solving , Mathematics , Numerical Computation , Physics , ...
0
REPLIES
3K
VIEWS

[?] Solve the Kronig Penney model determinant?

QUESTION FROM: John Tiessen | 5 years ago BY: Dan Lawrence
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
8
REPLIES
14.9K
VIEWS

Avoid problem with solving the LaplaceTransform and inversing it?

QUESTION FROM: Justin Warners | 8 years ago BY: Hans Dolhaine
Equation Solving , Mathematics , Numerical Computation , Physics , ...
3
REPLIES
4.9K
VIEWS

Demonstration for a spring and mass systems on a surface without friction

CONTRIBUTED BY: Bhubanjyoti Bhattacharya | 8 years ago BY: Bhubanjyoti Bhattacharya
Demonstrations , Dynamic Interactivity , Graphics and Visualization , ...
2
REPLIES
12.9K
VIEWS

Populate subscripts in homotopy analysis of equation of motion?

QUESTION FROM: Christopher Reyes | 8 years ago
Engineering , Mathematics , Physics , Wolfram Language
0
REPLIES
3.6K
VIEWS

Switch between two flanges while using the MultiBody library in SM?

QUESTION FROM: JOSE OLIVER | 8 years ago BY: Neil Singer
Modeling , Physics , SystemModeler
12
REPLIES
10.3K
VIEWS

What is the correct ContourPlot here? Where should I assign my parameters?

QUESTION FROM: Emmanuel Guilleminot | 8 years ago BY: Emmanuel Guilleminot
Graphics and Visualization , Mathematics , Physics , Wolfram Language
23
REPLIES
9.7K
VIEWS

[?] Plot roller coaster mathematics?

QUESTION FROM: Bert Aerts | 8 years ago BY: Bert Aerts
Graphics and Visualization , Mathematics , Physics , Wolfram Language
3
REPLIES
8K
VIEWS

How does Wolfram Language deal with DiracDelta[0] in Integrate command?

QUESTION FROM: Vamsi Meesala | 8 years ago BY: Daniel Lichtblau
Engineering , Mathematics , Physics , Signal Processing , ...
3
REPLIES
8K
VIEWS

New SystemModeler Example: Temperature State Estimator Robustness

CONTRIBUTED BY: Patrik Ekenberg | 8 years ago BY: EDITORIAL BOARD
Staff Picks , Engineering , Graphics and Visualization , Modeling , ...
1
REPLIES
13K
VIEWS

Find the quasi-normal modes of a scattering problem?

QUESTION FROM: Julian Barragan | 8 years ago BY: Julian Barragan
Calculus , Equation Solving , Physics , Wolfram Language
2
REPLIES
8.8K
VIEWS
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