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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

Modeling airflow past a car

QUESTION FROM: David Keith | 6 days ago BY: Jeff Lastofka
Equation Solving , Graphics and Visualization , Modeling , ...
16
REPLIES
1.7K
VIEWS

Seeking examples of "Ruliology"

QUESTION FROM: Ellynne DEC | 16 days ago BY: Ellynne DEC
Mathematics , Physics , Wolfram Language , Wolfram Science
4
REPLIES
614
VIEWS

How to use tensors in Mathematica?

QUESTION FROM: Ji?í Ryzner | 19 days ago BY: Marty Parts
Physics
7
REPLIES
12K
VIEWS

Issues with HHL algorithm implementation

QUESTION FROM: A D | 20 days ago BY: Mohammad Bahrami
Packages , Physics , Wolfram Language
2
REPLIES
1K
VIEWS

Anticommuting spinor calculations

QUESTION FROM: Todd Rowland | 24 days ago BY: Mohammad Bahrami
Algebra , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
599
VIEWS

Problem with evaluating the Trace of Hadronic tensor of spin 3/2 particle

QUESTION FROM: Yogeesh N | 27 days ago
Astronomy , Packages , Physics , Wolfram Language
0
REPLIES
486
VIEWS

How to use MathTensor with Mathematica 10

QUESTION FROM: Andre Hertkorn | 1 month ago BY: Marty Parts
Packages , Physics , Product Set Up
4
REPLIES
13.8K
VIEWS

Multi-computational modeling of AI alignment using rulial space

QUESTION FROM: Modise Seemela | 1 month ago
Astronomy , Engineering , Graphics and Visualization , ...
0
REPLIES
1K
VIEWS

From theory to application: modeling satellite conjunction scenarios in branchial space

QUESTION FROM: Modise Seemela | 2 months ago
Astronomy , Graphics and Visualization , Physics , Wolfram Language
0
REPLIES
897
VIEWS

Making efficient direct simulation Monte Carlo code

QUESTION FROM: Maksym Ovchynnikov | 2 months ago BY: EDITORIAL BOARD
Compilation , Modeling , Physics , Software Development , ...
1
REPLIES
706
VIEWS

How can I do the derivative of a Hankel function with respect to complex order (nu)?

QUESTION FROM: scintific1 math | 3 months ago BY: scintific1 math
Calculus , Mathematics , Physics , Wolfram Language
9
REPLIES
955
VIEWS

Error trying to assign values for a tensor

QUESTION FROM: Eran Lavi | 3 months ago
Algebra , Mathematics , Physics , Wolfram Language
0
REPLIES
593
VIEWS

How to numerically solve a master equation for a time-dependent 3-qubit density matrix in Mathematic

QUESTION FROM: Reza rho | 3 months ago BY: David Trimas
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
1.2K
VIEWS

Can't finish calculation pertaining to elementary particles and the TOE

QUESTION FROM: Eran Lavi | 3 months ago BY: Eran Lavi
Algebra , Equation Solving , Mathematics , Physics , Wolfram Language
4
REPLIES
1K
VIEWS

Unexpected difference between functions plots involving oscillatory integrals

QUESTION FROM: Reza rho | 4 months ago BY: Gianluca Gorni
Graphics and Visualization , Physics , Wolfram Language
2
REPLIES
821
VIEWS

Calculation of an integral with a variable lower limit using the trapezoidal method

QUESTION FROM: Yaroslav B | 4 months ago BY: Michael Rogers
Calculus , Graphics and Visualization , Physics , Wolfram Language
4
REPLIES
864
VIEWS

Code taking too long time to compute

QUESTION FROM: Ananth Krishna | 4 months ago BY: Gianluca Gorni
Algebra , Astronomy , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.1K
VIEWS

Where is documentation on option FourierParameters

QUESTION FROM: Jay Gourley | 4 months ago BY: Roger Backhus
Mathematics , Physics , Signal Processing , Wolfram Language
5
REPLIES
8.1K
VIEWS

Problems with xact and xtensor to compute perturbed Einstein tensor

QUESTION FROM: Debadri Bhattacharjee | 4 months ago
Physics , Wolfram Language
0
REPLIES
992
VIEWS

Need Wolfram resources of David J Griffiths(3rd)' problem solution

QUESTION FROM: tree clean | 5 months ago BY: Mohammad Bahrami
Physics , Wolfram Language
1
REPLIES
995
VIEWS

Need explanation in Demo: Static deformations of Timoshenko beams

QUESTION FROM: Yuri Mur | 5 months ago BY: Yuri Mur
Demonstrations , Dynamic Interactivity , Engineering , ...
2
REPLIES
1.2K
VIEWS

Generating natural structures with Wolfram

QUESTION FROM: Denis Ivanov | 5 months ago BY: Denis Ivanov
Biological Sciences , Equation Solving , Mathematics , Modeling , ...
2
REPLIES
1.4K
VIEWS

How to get the normalized post-measurement state?

QUESTION FROM: Xiangyang Zhou | 6 months ago BY: Nikolay Murzin
Physics , Wolfram Language
3
REPLIES
1K
VIEWS

How can I correct the following code to produce the expected result?

QUESTION FROM: Xu Xu | 6 months ago BY: Xu Xu
Algebra , Equation Solving , Mathematics , Physics , ...
8
REPLIES
2K
VIEWS

Problem in the installation of Wolfram Quantum Framework

QUESTION FROM: MTK 490 | 7 months ago BY: Mohammad Bahrami
Packages , Physics , Wolfram Language
1
REPLIES
1.1K
VIEWS

Avoid singularity in TOV equations

QUESTION FROM: Sebastián Moreno Chalacá | 7 months ago
Algebra , Equation Solving , Graphics and Visualization , ...
0
REPLIES
903
VIEWS

Why doesn't Fourier work properly with NumericArray?

QUESTION FROM: Anton Lutsenko | 7 months ago BY: Jaymal Raja
Physics , Signal Processing , Wolfram Language
4
REPLIES
1.8K
VIEWS

How to represent and compute eigenvalues of an infinite-dimensional density matrix?

QUESTION FROM: Reza rho | 7 months ago
Physics , Wolfram Language
0
REPLIES
905
VIEWS

Optimization of eigenvalue calculation for large matrices

QUESTION FROM: Reza rho | 7 months ago
Algebra , High-Performance Computing , Mathematics , Physics , ...
0
REPLIES
1K
VIEWS

Fitting data to a square wave

QUESTION FROM: James Hall | 8 months ago BY: David Keith
Curated Data , Graphics and Visualization , Image Processing , ...
19
REPLIES
5.2K
VIEWS

How do I apply AnnihilationOperator[] to a multi FockState?

QUESTION FROM: Asaad Sakhel | 8 months ago
Packages , Physics , Wolfram Language
0
REPLIES
761
VIEWS

Mathematica blocks everything else while running

QUESTION FROM: Ulrich Mosel | 9 months ago BY: Daniel Lichtblau
Physics , Wolfram Community
3
REPLIES
1.6K
VIEWS

Possible to model crystal growth with cellular automata?

QUESTION FROM: Katherine Derbyshire | 9 months ago BY: Updating Name
Material Sciences , Mathematica , Physics , Wolfram Science
7
REPLIES
23.4K
VIEWS

Issue with contour plot

QUESTION FROM: Debojyoti Mondal | 9 months ago BY: Gianluca Gorni
Equation Solving , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.4K
VIEWS

Foriegn variable names in the outputs of computing a Lie bracket commutation

QUESTION FROM: Nomsa Ledwaba | 9 months ago
Algebra , Mathematics , Physics , Symbolic Computations , ...
0
REPLIES
1.2K
VIEWS

ParametricPlot celestial coordinates

QUESTION FROM: Malej Est | 9 months ago
Astronomy , Graphics and Visualization , Mathematics , Physics , ...
0
REPLIES
997
VIEWS

Code for calculating partition function from energyeigenvalue?

QUESTION FROM: Swastika Mukherjee | 9 months ago
Physics , Wolfram Language
0
REPLIES
861
VIEWS

How can get two solution of the ODE with degree two ?

QUESTION FROM: Salim Mahmood | 10 months ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Physics , ...
3
REPLIES
1.2K
VIEWS

A new algorithm for finding Hirota bilinear form (D-Operator) of NPDE?

QUESTION FROM: Salim Mahmood | 10 months ago BY: Salim Mahmood
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
4
REPLIES
1.6K
VIEWS

FindMinimum code working on V9 but not V14

QUESTION FROM: Hirokazu Maruyama | 11 months ago BY: Hirokazu Maruyama
Calculus , Optimization , Mathematics , Physics , Wolfram Language
13
REPLIES
3.1K
VIEWS

Plot a numerical integration as a function of variable

QUESTION FROM: Fatemeh Aliyan | 11 months ago BY: Gianluca Gorni
Calculus , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.1K
VIEWS

NIntegrate error while finding fully differential cross section

QUESTION FROM: Minaa Askari | 11 months ago BY: Minaa Askari
Calculus , Mathematics , Numerical Computation , Physics , ...
2
REPLIES
1.5K
VIEWS

FEM: Problem with Meshing

QUESTION FROM: Dirk Brömme | 0 months ago
Geometry , Mathematics , Physics , Wolfram Language
0
REPLIES
1.2K
VIEWS

Numerical solution to Euler Lagrange equation

QUESTION FROM: Ee Kin Chan | 1 year ago BY: Ee Kin Chan
Equation Solving , Mathematics , Numerical Computation , Physics , ...
6
REPLIES
1.8K
VIEWS

Use different magnetic model

QUESTION FROM: Ján Kolár | 1 year ago BY: Henrik Schachner
Curated Data , Geographic Information System , Physics , ...
1
REPLIES
1.4K
VIEWS

What is this MeijerG Function

QUESTION FROM: Qiang Lu | 1 year ago BY: Qiang Lu
Calculus , Mathematics , Numerical Computation , Physics , ...
2
REPLIES
1.4K
VIEWS

Solving equation on boundaries

QUESTION FROM: Mnele Wolfram | 1 year ago BY: Mnele Wolfram
Equation Solving , Material Sciences , Mathematics , Physics , ...
6
REPLIES
1.9K
VIEWS

Using symbolic calculation result to evaluate real expression

QUESTION FROM: Thomas Fowler | 1 year ago BY: Thomas Fowler
Calculus , Mathematics , Physics , Symbolic Computations , ...
6
REPLIES
2.1K
VIEWS

Force the phase. ThermodynamicData for saturated liquid *and* vapor.

QUESTION FROM: Glenn Carlson | 1 year ago BY: Glenn Carlson
Curated Data , Engineering , Physics , Wolfram Language
5
REPLIES
10.4K
VIEWS

Get pressure on predetermined T and specific V using ThermodynamicData?

QUESTION FROM: Balázs Rupert | 1 year ago BY: Paul Nielan
Engineering , Physics , Wolfram Language
1
REPLIES
3.9K
VIEWS

Needing help with an extremely fundamental question about the eme

QUESTION FROM: Patrick Sutton | 1 year ago
Physics
0
REPLIES
996
VIEWS

Writing Laplace boundary condition in Wolfram Language

QUESTION FROM: Ali Alabdrabulrasul | 1 year ago
Mathematics , Physics , Wolfram Language
0
REPLIES
896
VIEWS

Vector plot of magnetization

QUESTION FROM: Shinsuke Okayasu | 1 year ago BY: Gianluca Gorni
Graphics and Visualization , Physics , Wolfram Language
6
REPLIES
1.8K
VIEWS

The Fine-Structure Constant Challenge

QUESTION FROM: José Manuel Rodríguez Caballero | 1 year ago BY: Jeff Yates
Physics , Wolfram Fundamental Physics Project , Wolfram Language , ...
10
REPLIES
10.4K
VIEWS

Joule Thomson expansion of black hole

QUESTION FROM: Debojyoti Mondal | 1 year ago BY: Ronald Riegert
Equation Solving , Graphics and Visualization , Mathematics , ...
5
REPLIES
2.6K
VIEWS

\ddot in LaTeX inline objects

QUESTION FROM: Howard Georgi | 1 year ago BY: David Reiss
Mathematics , Physics , Presentation and Notebooks , Wolfram Language
6
REPLIES
2.5K
VIEWS

Numerically solved PDE of Ornstein–Uhlenbeck process on simplex violates conservation of probability

QUESTION FROM: Cameron Turner | 1 year ago BY: Cameron Turner
Calculus , Equation Solving , Finance , Mathematics , ...
12
REPLIES
3.2K
VIEWS

Solving stationary heat equation (Laplace-Equation) with 2 regions and 2 different materials

QUESTION FROM: Dirk Brömme | 1 year ago BY: Dirk Brömme
Calculus , Engineering , Equation Solving , ...
1
REPLIES
1.6K
VIEWS

QuantumOperator matrix form error message

QUESTION FROM: Michael Ulrey | 1 year ago BY: Michael Ulrey
Physics , Wolfram Language
2
REPLIES
2.6K
VIEWS

Unable to state a simple square-well Schrödinger problem: "This system cannot be solved"

QUESTION FROM: Christer Gustafsson | 1 year ago BY: Christer Gustafsson
Algebra , Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
2.3K
VIEWS

How do I tune my NDSolve code to start fast, so it can be run hundreds of times?

QUESTION FROM: Kaden Tro | 1 year ago BY: Gareth Russell
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
2.5K
VIEWS

EM wave through free space propagation

QUESTION FROM: Ruslan Lagashkin | 1 year ago BY: Paul Abbott
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.6K
VIEWS

How can i make this code faster?

QUESTION FROM: Raghad Al-amri | 1 year ago
Calculus , Graphics and Visualization , Mathematics , ...
0
REPLIES
1.3K
VIEWS

How to couple equations for temperature field over different domains (e.g. wall and atmosphere)

QUESTION FROM: Oleg Kmechak | 1 year ago
Equation Solving , Modeling , Physics , Wolfram Language
0
REPLIES
1.1K
VIEWS

Problem with the acceleration of a system

QUESTION FROM: Vasile Riccardo Duceac | 1 year ago BY: Sergio Vargas
Calculus , Control Systems , Equation Solving , ...
1
REPLIES
2.8K
VIEWS

Simplify sums with Kronecker deltas?

QUESTION FROM: Guillaume Laporte | 1 year ago BY: Marco Francischello
Mathematics , Physics , Symbolic Computations , Wolfram Language
8
REPLIES
9.6K
VIEWS

Testing basic neural network physics example

QUESTION FROM: Byron Alexander | 1 year ago
Computer Science , Data Science , Neural Networks , Physics , ...
0
REPLIES
1.8K
VIEWS

Can I calculate the mass of a cylinder in Wolfram Alpha?

QUESTION FROM: André H. | 1 year ago BY: André H.
Physics , Wolfram|Alpha
4
REPLIES
2K
VIEWS

Improving accuracy of neural network for determining qubit rotation angle

QUESTION FROM: Byron Alexander | 1 year ago BY: Byron Alexander
Data Science , Neural Networks , Physics , Wolfram Language
8
REPLIES
3.8K
VIEWS

Tilting beam with the center of mass over an edge

QUESTION FROM: Felix Toperczer | 1 year ago
Calculus , Dynamic Interactivity , Equation Solving , ...
0
REPLIES
1.1K
VIEWS

What would the right approach to perform a 2D discrete convolution for this problem ?

QUESTION FROM: Ishan Nande | 1 year ago BY: Gianluca Gorni
Physics , Wolfram Language
2
REPLIES
2.3K
VIEWS

SoftmaxLayer with one-hot vectors

QUESTION FROM: Byron Alexander | 1 year ago BY: Byron Alexander
Data Science , Neural Networks , Physics , Wolfram Language
2
REPLIES
2.8K
VIEWS

Commands to compute Einstein's Tensor and stress energy tensor

QUESTION FROM: PRASHANT VIRAT | 1 year ago BY: Dean Gladish
Calculus , Mathematics , Physics , Wolfram Language
2
REPLIES
3.7K
VIEWS

Is there any current work on the quantum circuit operator function to handle hypergraphs directly?

QUESTION FROM: Jeffrey Tate | 1 year ago BY: Jeffrey Tate
Graphics and Visualization , Graphs and Networks , Physics , ...
2
REPLIES
2.8K
VIEWS

Compute curvature tensor constructed by a shifted connection

QUESTION FROM: Ayberk Cakmak | 1 year ago BY: Jose Martin-Garcia
Mathematics , Packages , Physics , Wolfram Language
3
REPLIES
4K
VIEWS

Error $RecursionLimit::reclim2: Recursion depth of 1024 exceeded during evaluation

QUESTION FROM: Shivi Sv | 1 year ago BY: Shivi Sv
Graphics and Visualization , Physics , Wolfram Language
4
REPLIES
2.4K
VIEWS

Calculation of the Nusselt number and the thermal inelet region: NIntegrate failed to converge

QUESTION FROM: Andrea Naticchi | 1 year ago BY: Andrea Naticchi
Computational Linguistics , Computational Systems , Engineering , ...
5
REPLIES
2.9K
VIEWS

Visualizing diagrams needed to compute $\langle \operatorname{Tr}(A^3 (A^T)^3)\rangle$

QUESTION FROM: Yaroslav Bulatov | 1 year ago BY: Gianluca Gorni
Discrete Mathematics , Graphics and Visualization , ...
3
REPLIES
3.3K
VIEWS

3DPlot is coming out empty

QUESTION FROM: Alex Dark | 1 year ago BY: Alex Dark
Graphics and Visualization , Mathematica , Physics
7
REPLIES
2.4K
VIEWS

Simple position, velocity and acceleration notebook with dimensional checking fails?

QUESTION FROM: James Bowery | 1 year ago BY: Gianluca Gorni
Calculus , Physics , Units , Wolfram Language
4
REPLIES
2.8K
VIEWS

Symbolic matrix inverse takes long time

QUESTION FROM: Leo Murphy | 1 year ago BY: Daniel Lichtblau
Calculus , Mathematica , Mathematics , Physics , Wolfram Community , ...
4
REPLIES
3.5K
VIEWS

Supposed "antenna null" isn't?

QUESTION FROM: James Bowery | 1 year ago BY: James Bowery
Graphics and Visualization , Mathematics , Physics , Wolfram Language
1
REPLIES
2K
VIEWS

Calculate gravity exerted on a line of atoms

QUESTION FROM: Sean G | 1 year ago BY: Updating Name
Graphics and Visualization , Physics , Wolfram Language
1
REPLIES
2.6K
VIEWS

Tex formula completion and preview

QUESTION FROM: Dualer | 1 year ago
Mathematics , Physics , User Interface , Wolfram Language
0
REPLIES
1.1K
VIEWS

Getting Wrong Numbers in Output for a Quantum Mechanics problem

QUESTION FROM: خالد رافع | 1 year ago BY: Gianluca Gorni
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
6
REPLIES
1.8K
VIEWS

Nvarier Stokes example does not work on the Raspberry Pi

QUESTION FROM: Mishal Mohanlal | 1 year ago
Graphics and Visualization , Mathematics , Physics , Raspberry Pi , ...
0
REPLIES
2K
VIEWS

Simulation physics with variable gravity in SystemModeler?

QUESTION FROM: Mariusz Iwaniuk | 1 year ago
Physics , SystemModeler
0
REPLIES
1.3K
VIEWS

Volterra integral doesn't work

QUESTION FROM: Jabir Hakami | 1 year ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Physics , ...
3
REPLIES
1.6K
VIEWS

How to enter an atomic level for an element?

QUESTION FROM: Joe Prendergast | 1 year ago BY: Joe Prendergast
Curated Data , Physics , Wolfram Language
2
REPLIES
2.3K
VIEWS

Circumventing discontinuity of complex function fails with different parameters

QUESTION FROM: Hashim Hashim | 2 years ago BY: Hashim Hashim
Mathematics , Physics , Wolfram Language
3
REPLIES
2K
VIEWS

How do I make a tensor product operator for like the stabilizers?

QUESTION FROM: Fahim Bin Selim | 2 years ago BY: Mohammad Bahrami
Computer Science , Physics , Wolfram Language
3
REPLIES
3.6K
VIEWS

3D Plotting of Time Dilation near Black holes

QUESTION FROM: Estelle Asmodelle | 2 years ago BY: Estelle Asmodelle
Astronomy , Graphics and Visualization , Physics , Wolfram Language
6
REPLIES
4K
VIEWS

Electromagnetically Induced Transparency with five-level system

QUESTION FROM: Junnan Wang | 2 years ago
Equation Solving , Mathematics , Optics , Packages , Physics , ...
0
REPLIES
1.8K
VIEWS

Rashba spin texture plot

QUESTION FROM: Manish Kumar | 2 years ago
Graphics and Visualization , Physics , Wolfram Language
0
REPLIES
1.5K
VIEWS

Epsilon Delya limits: Manipulate doesn't work

QUESTION FROM: Roger Wells | 2 years ago
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
0
REPLIES
1.8K
VIEWS

Wolfram physics in Hungary and Lithuania...?

QUESTION FROM: Nodu Agga | 2 years ago
Physics , Wolfram Fundamental Physics Project
0
REPLIES
2.2K
VIEWS

Can Wolfram's new compiler technology speed up this AABB tree code?

QUESTION FROM: Greg Hurst | 2 years ago BY: Greg Hurst
Compilation , Geometry , High-Performance Computing , Physics , ...
11
REPLIES
5.5K
VIEWS

Generate weighted random numbers

QUESTION FROM: Michael Knoerzer | 2 years ago BY: Jari Kirma
Data Science , Mathematica , Mathematics , Physics , ...
13
REPLIES
15.9K
VIEWS

Doubt about how to mathematically formulate my problem

QUESTION FROM: Anderson Coelho | 2 years ago BY: Bill Nelson
Equation Solving , Numerical Computation , Physics , Wolfram Language
1
REPLIES
2.2K
VIEWS

Can ThermodynamicData be sped up?

QUESTION FROM: Otto Linsuain | 2 years ago BY: Otto Linsuain
Curated Data , Physics , Tuning and Debugging , Wolfram Language
2
REPLIES
3.7K
VIEWS
1
2
3
4
5

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1355 Discussions

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