Questions tagged [physics]
Questions related to the application of Mathematica to problems in physics.
1,027 questions
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Measuring fractal dimension of natural objects from digital images
This is a useful topic. A college physics lab, medical diagnostics, urban growth, etc. - there is a lot of applications. On this site by Paul Bourke about Google Earth fractals we can get a high ...
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Circuit drawing in Mathematica
This past semester I taught an introductory electromagnetism course and had quite a nice time using Mathematica to draw all sorts of figures and diagrams (mostly for problems and etc.). However, I was ...
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How to calculate scalar curvature, Ricci tensor and Christoffel symbols in Mathematica?
I am seeking a convenient and effective way to calculate such geometric quantities. I've used packages like TensoriaCalc, but they don't work at all time. Sometimes,...
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Find eigen energies of time-independent Schrödinger equation
I'm trying to get the eigenvalues of a one dimensional time-independent Schrödinger equation,
$-\frac{h^2}{2m_0}\frac{d^2\psi}{dx^2}+U(x)~\psi=Ei~\psi$
where U(x) is some potential and Ei is the ...
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Dynamic Euler–Bernoulli beam equation
I am trying to solve for the vibration of a Euler–Bernoulli beam. The equation is
$\frac{\partial ^2u(t,x)}{\partial t^2}+\frac{\partial ^4u(t,x)}{\partial x^4}=0$
For the boundary conditions I ...
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ColorData["VisibleSpectrum"] is wrong?
Bug introduced in 10.0 or earlier and fixed in 11.1
I am trying to visualize the visible spectrum using the built-in ColorData["VisibleSpectrum"] function which "...
- 62.5k
47
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Is there something like DensityPlot3D to visualize atomic orbitals?
I'm visualizing some hydrogen like atomic orbitals. For looking at plane slices of the probability density, the DensityPlot function works well, and with something ...
- 6,518
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The correct way to linearize colorspace before resizing, blurring etc
There was an interesting discussion on MathGroup dealing with the fact that image-processing functions in Mathematica (and many other software, including Adobe Photoshop) work with RGB, Grayscale etc. ...
- 62.5k
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Remove noise from data
Hi, as you can see above I have some experimental data which has a large offset and shows clear noise fluctations around the tendency of the curve. I wanted to ask if someone could suggest me a method ...
- 543
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The Orbit and Perigee of the Flamsteed comet
Historical context
This year we have the 330-th anniversary of the Battle of Vienna - one of the great formative events of European history, it took place on September 12, 1683.
Kara Mustafa, Grand ...
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Animation of double pendulum
Sadly, I am a completely newbie. I am studying Physics and in our theoretical physics class we got the task to solve the double pendulum using Mathematica. We just got the program, but no introduction ...
- 351
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A better "VisibleSpectrum" function?
Since ColorData["VisibleSpectrum"] is wrong, I would like to have a more accurate function to use.
Can this information be extracted from Mathematica itself?
- 275k
33
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3
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1D Euler equations (fluid dynamics) with NDSolve
Is it possible to accurately solve the 1D Euler equations in Mathematica using NDSolve?
For example, let us consider the Sod shock tube problem. Introduction to ...
31
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3
answers
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How to plot an emission spectrum?
If I have a list of data with various wavelengths in nanometers, how would I plot them on a graph so it looks like this:
So far I have managed to plot a spectrum in ...
- 563
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Solving Killing equations
Is it possible to solve Killing equations in Mathematica for a general vector?
I am looking for a way to create Killing equations and then find what the vectors are, but I have a problem with this.
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