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seen May 15 '13 at 15:22

Apr
4
comment How to visualize a 3D scalar function?
Nice examples. I was looking for something like your rotatable 2D density plot, which does not rely on user interaction, e.g. 2 or 3 views from different angles combined.
Apr
4
revised How to visualize a 3D scalar function?
require static plot
Apr
4
comment Is there a symbol for “unitless”?
@zhermes, If A = 10 m, then A/m = 10.
Apr
4
asked How to visualize a 3D scalar function?
Feb
8
comment Can a photon be emitted with a wavelength > 299,792,458 meters, and would this violate c?
The expression $c<\lambda$ is meaningless since $c$ and $\lambda$ have different units.
Nov
19
awarded  Editor
Nov
19
revised How does a mobile phone vibrate without any external force?
s/fraction/friction/
Nov
19
suggested suggested edit on How does a mobile phone vibrate without any external force?
Oct
11
accepted Numerical software to manipulate a light beam in its plane wave representation?
Oct
11
awarded  Scholar
Oct
11
awarded  Benefactor
Oct
9
awarded  Promoter
Oct
6
comment Numerical software to manipulate a light beam in its plane wave representation?
I'm aware of numpy, scipy, matplotlib and they are suitable for my purpose. However, that was not my question. I wonder, whether there is a framework built upon numpy and friends that "knows" something about optics.
Oct
6
awarded  Student
Oct
6
asked Numerical software to manipulate a light beam in its plane wave representation?
Sep
18
comment Uses of Vectors In Real Life
Vectors and Vector Spaces are simple, beautiful and as you can see in the answers useful. The position and all related quantities (velocity, momentum, acceleration, force) are vectors. The state of a physical system (both QM and classical) is a vector in a vector space. The solution of a system of (differential) linear equations is a vector. If you study physics, you will soon realize that most everything is a vector.
Sep
18
awarded  Supporter