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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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Modelling a driven double pendulum device such as a Trebuchet or sling-shot

QUESTION FROM: Fionn O Ceallaigh | 10 years ago BY: Fionn O Ceallaigh
Mathematica , Mechanical Engineering , Physics
3
REPLIES
10.8K
VIEWS

Tensor product

QUESTION FROM: Rafael Sala | 10 years ago BY: Henrik Schachner
Mathematics , Physics
3
REPLIES
4.8K
VIEWS

Who was able to create a Package with Mathematica 10.2 under Windows 10 ?

QUESTION FROM: Ulrich Mutze | 10 years ago BY: Ulrich Mutze
Mathematics , Physics
3
REPLIES
6.4K
VIEWS

Fitting Issue with NonlinearModel Fit

QUESTION FROM: S G | 10 years ago BY: Jim Baldwin
Physics
3
REPLIES
7.4K
VIEWS

Overdetermined Linear LeastSquares solution of AX=B with constraint [B]>0

QUESTION FROM: Bijan Deb | 10 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematica , Optimization , ...
3
REPLIES
9.1K
VIEWS

Phase diagram for a plane pendulum

QUESTION FROM: Devin Luu | 10 years ago BY: Devin Luu
Physics , Wolfram Language
3
REPLIES
6.3K
VIEWS

Why do NIntegrate and Integrate give me wildly different numerical results?

QUESTION FROM: Louis Barrett | 10 years ago BY: John Doty
Mathematica , Physics
3
REPLIES
7.2K
VIEWS

Kindly look for help with solving an eigenvalue equation, thanks :)

QUESTION FROM: Di Chang | 10 years ago BY: Di Chang
Mathematics , Physics
3
REPLIES
4K
VIEWS

Pattern recognition of exponents 0 and 1.

QUESTION FROM: Giovanni Balduzzi | 10 years ago BY: Ivan Morozov
Physics , Software Development
3
REPLIES
8.2K
VIEWS

Solving the Laplace Equation in 2D with NDSolve

QUESTION FROM: Rene Samson | 10 years ago BY: Rene Samson
Mathematics , Physics
3
REPLIES
7.5K
VIEWS

Simple Math Problem Shows Massive Flaw In All Machine Learning Algorythims

QUESTION FROM: David Johnston | 10 years ago BY: David Johnston
Computer Science , Data Science , Discrete Mathematics , ...
3
REPLIES
19.1K
VIEWS

Mathematica gives absolutely no output

QUESTION FROM: Nathan Lundholm | 10 years ago BY: George Woodrow III
Astronomy , Physics
3
REPLIES
25K
VIEWS

Zoom 125% by Default?

QUESTION FROM: Dean Sparrow | 10 years ago BY: Szabolcs Horvát
Physics
3
REPLIES
8.5K
VIEWS

How can I solve this ImplicitRegion Error in NDSolve?

QUESTION FROM: Changsoo Lee | 10 years ago BY: jonathan lister
Aerospace Engineering , Astronomy , Mathematics , Physics
3
REPLIES
13K
VIEWS

combining solve and for

QUESTION FROM: Gregorio Martinez | 10 years ago BY: Gregorio Martinez
Algebra , Mathematics , Modeling , Numerical Computation , Physics , ...
3
REPLIES
7.9K
VIEWS

Recorded accelerometer data to PSD plot?

QUESTION FROM: George Thiel | 10 years ago BY: Caitlin Ramsey
Aerospace Engineering , Civil Engineering , Engineering , ...
3
REPLIES
26.2K
VIEWS

Animate a Vectorfield with VectorPlot3d , Scaling the Vectors

QUESTION FROM: Max E | 10 years ago BY: Mariusz Iwaniuk
Demonstrations , Image Processing , Import and Export , Mathematica , ...
3
REPLIES
13K
VIEWS

FullSimplify "not working" with a correct Assumption in this example, why ?

QUESTION FROM: Matthias Hoffmann | 10 years ago BY: Matthias Hoffmann
Algebra , Calculus , Mathematica , Mathematics , Physics
3
REPLIES
6.7K
VIEWS

Problem with Mathematica 9 or the equation is insoluble?

QUESTION FROM: Gregory Efimov | 10 years ago BY: Gregory Efimov
Mathematics , Mechanical Engineering , Physics
3
REPLIES
9.2K
VIEWS

HELP! How to properly add/manipulate COLORS and LINE THICKNESS to plots?

QUESTION FROM: Ravi-Praveenkumar Padnaram | 10 years ago BY: Marco Thiel
Astronomy , Computer Science , Graphics and Visualization , ...
3
REPLIES
10.6K
VIEWS

Non Numerical Integration

QUESTION FROM: bastian orthen | 10 years ago BY: Tanel Telliskivi
Mathematics , Physics
3
REPLIES
9.6K
VIEWS

Klein-Gordon in Spherical Coordinates

QUESTION FROM: M. Fitrah Alfian R.S. | 10 years ago BY: M. Fitrah Alfian R.S.
Calculus , Geometry , Physics , Wolfram Language
3
REPLIES
9.6K
VIEWS

The quantity is not a quantified system of equations and inequalities

QUESTION FROM: Giovanni Ferdina | 10 years ago BY: Giovanni Ferdina
Aerospace Engineering , Chemical Engineering , Civil Engineering , ...
3
REPLIES
24.9K
VIEWS

How to use Reduce to find com

QUESTION FROM: Omer Tzuk | 10 years ago BY: Nasser M. Abbasi
Algebra , Calculus , Mathematica , Mathematics , Physics , ...
3
REPLIES
13.8K
VIEWS

Plot a two variable function but with another variable in the x-axis

QUESTION FROM: Andres Benito Platon | 10 years ago BY: Frank Kampas
Calculus , Mathematica , Mathematics , Physics , ...
3
REPLIES
8.9K
VIEWS

Finding acceleration in kinematics

QUESTION FROM: Aaron Phillips | 10 years ago BY: Frank Kampas
Algebra , Physics , Wolfram Language
3
REPLIES
9.4K
VIEWS

How find the exact intersections in the graphs of wave equations

QUESTION FROM: zachary nichols | 10 years ago BY: zachary nichols
Algebra , Mathematica , Physics , Wolfram Language
3
REPLIES
9.8K
VIEWS

One-dimensional scattering at a potential barrier of any shape

QUESTION FROM: Enrique Ortega | 11 years ago BY: Enrique Ortega
Physics
3
REPLIES
9.9K
VIEWS

Can't get this old mathematica code to run...

QUESTION FROM: Fat Villager | 11 years ago BY: David Reiss
Astronomy , Mathematics , Physics
3
REPLIES
7.2K
VIEWS

Mathematica (for Calculus I) Help?

QUESTION FROM: Matt Ryan | 11 years ago BY: Bruce Miller
Calculus , Physics , Wolfram Language
3
REPLIES
8.9K
VIEWS

CHALLENGE -- Defining an ORIGINAL second derivative function?

QUESTION FROM: J J | 11 years ago BY: Udo Krause
Computer Science , Graphics and Visualization , Mathematica , ...
3
REPLIES
9K
VIEWS

Mathematica cuts off data

QUESTION FROM: d n | 11 years ago BY: David Reiss
Compilation , Mathematica , Physics
3
REPLIES
8.5K
VIEWS

Why Mathematica cannot solve simple power eqation?:(

QUESTION FROM: Darek Aksamit | 11 years ago BY: Daniel Lichtblau
Calculus , Equation Solving , Mathematica , Mathematics , Physics
3
REPLIES
6.4K
VIEWS

How do I create a parameter-driven piece-wise function?

QUESTION FROM: Seasong Zhang | 11 years ago BY: Marco Thiel
Graphics and Visualization , Physics , Wolfram Language
3
REPLIES
6.6K
VIEWS

Mathematica only rewrites the differential equation

QUESTION FROM: Mattias Pettersson | 11 years ago BY: Marco Thiel
Calculus , Equation Solving , Physics , Wolfram Language
3
REPLIES
5.3K
VIEWS

How do you interpret this Solve output ?

QUESTION FROM: Ryan Gardner | 11 years ago BY: Bill Simpson
Algebra , Equation Solving , Physics , Wolfram Language
3
REPLIES
5.1K
VIEWS

Magnetic Moments

QUESTION FROM: Sandra Deckel | 11 years ago BY: Michael Hale
Physics
3
REPLIES
7.5K
VIEWS

Ideas for a physics-based Mathematica project?

QUESTION FROM: Liam Walker | 11 years ago BY: Sam Carrettie
Astronomy , Education , Mathematica , Physics , Wolfram Language
3
REPLIES
16.6K
VIEWS

How to access Physical Constants in Mathematica 9.0?

QUESTION FROM: nick Granger-Brown | 11 years ago BY: nick Granger-Brown
Mathematica , Physics , Wolfram Language
3
REPLIES
16K
VIEWS

Inverting dispersion relation

QUESTION FROM: Olivier Mathieu | 11 years ago BY: Ivan Morozov
Mathematica , Physics , Wolfram Language
3
REPLIES
3.7K
VIEWS

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

QUESTION FROM: nick Granger-Brown | 12 years ago BY: nick Granger-Brown
Engineering , Physics , SystemModeler
3
REPLIES
18.1K
VIEWS

Integration in reals of orbitals not working as expected: ensuring reals ?

QUESTION FROM: Patrick Bultinck | 12 years ago BY: Bill Simpson
Calculus , Mathematica , Mathematics , Physics , Wolfram Language
3
REPLIES
4.1K
VIEWS

Plotting function involving derivative of Abs(x)

QUESTION FROM: Patrick Bultinck | 12 years ago BY: Patrick Bultinck
Mathematica , Mathematics , Physics
3
REPLIES
6.9K
VIEWS

How well can Mathematica do multivariate intergrating

QUESTION FROM: Mr Burns | 12 years ago BY: Bruce Miller
Mathematics , Physics , Signal Processing
3
REPLIES
9.3K
VIEWS

A graphical solution of two equations is possible. Numerically, too?

QUESTION FROM: Niels Nutzer | 12 years ago BY: Frank Kampas
Algebra , Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
6.7K
VIEWS

Comparative Statics - System of Equations

QUESTION FROM: Tom G | 12 years ago BY: Tom G
Calculus , Economics , Mathematica , Mathematics , ...
3
REPLIES
12.5K
VIEWS

How to plot a densityfunction with filling for signifigance levels?

QUESTION FROM: Dominic G | 12 years ago BY: Dominic G
Authoring and Publishing , Business Analytics , Economics , Finance , ...
3
REPLIES
13.5K
VIEWS

How to erase column in a Map[Flatten[#] & command

QUESTION FROM: Maria Giovanna Dainotti | 12 years ago BY: Youngjoo Chung
Astronomy , Mathematics , Physics
3
REPLIES
12.5K
VIEWS

Singularity problem in “NDSolve” in Mathematica

QUESTION FROM: moumita das | 12 years ago BY: Frank Kampas
Equation Solving , Mathematica , Physics
3
REPLIES
20.5K
VIEWS

Combine Plot Graphics

QUESTION FROM: Simon Tyran | 12 years ago BY: Narasimham gudipaty
Astronomy , Data Science , Image Processing , Mathematics , Physics , ...
3
REPLIES
15.3K
VIEWS
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