File:Scalar fields y.svg
Size of this PNG preview of this SVG file: 600 × 480 pixels. Other resolutions: 300 × 240 pixels | 960 × 768 pixels | 1,280 × 1,024 pixels | 2,560 × 2,048 pixels.
Original file (SVG file, nominally 600 × 480 pixels, file size: 129 KB)
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Summary edit
| Description |
English: This diagram for the Wikiversity:Special relativity and steps towards general relativity course is used in showing that the coordinate typically called y is a scalar field. This is a small step towards explaining the algebra of tensor fields. A scalar field is itself a (0,0) tensor field. |
| Date | |
| Source | Own work |
| Author | Boud |
octave source code edit
The .svg version of the file, along with a better quality encapsulated postscript file, is produced by
- the following octave source code,
- in a local directory called /tmp
- the .svg file is about 260 times as big as the source code
- the .eps file is about 50 times as big as the source code
## (c) CC-BY-SA-3.0 or later
## octave script: visual intuition of a coordinate of the Euclidean plane
## as scalar fields on a smooth 2-manifold
n_dots=30; # a small number of points - keep postscript file size small
x=linspace(-1,1,n_dots);
y=linspace(-1,1,n_dots);
ymat=repmat(y',1,n_dots);
imagesc(x,y,ymat)
xlabel('{\fontsize{28} x}')
ylabel('{\fontsize{28} y}')
print('/tmp/Scalar_fields_y.eps',"-depsc","-F:20")
print('/tmp/Scalar_fields_y.svg',"-dsvg")
Licensing edit
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:01, 11 July 2011 | | 600 × 480 (129 KB) | Boud (talk | contribs) |
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File usage on Commons
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File usage on other wikis
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- Usage on en.wikiversity.org
