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File:Sinc function (unnormalized).svg

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Original file (SVG file, nominally 1,300 × 975 pixels, file size: 18 KB)

Summary

Description
English: Graph of the unnormalized sinc function sin(x)/x.

Mathworld's version

Instructions:
See Wikipedia graph-making tips.

Then I opened the resulting SVG file in Inkscape, copy and pasted the Unicode π characters and modified those labels by hand, changed the line colors, brought the plot lines to the top, made all the lines 3 px wide, made the grid lines 2px wide and 50% transparency.

With just a few more corrections it had been W3C-valid.
Date 22 May 2006 (upload date)
Source Own work
Author Omegatron
Other versions
SVG development
InfoField
 
The source code of this SVG is invalid due to 4 errors.
 
This W3C-invalid vector image was created with Inkscape.
 
 This file uses embedded text that can be easily translated using a text editor.
gnuplot source
InfoField
click to expand
# Set 1300×975 SVG output and filename
# The font size (fsize) sets the size for the circles, too.
set samples 400
set terminal svg enhanced size 1300 975 fname "Times" fsize 36
set output "sinc function (unnormalized).svg"

# Set y axis limits so the plot doesn't go right to the edges of the graph 
set yrange [-0.3:1.1]
set xrange [-6*pi:6*pi]

set lmargin 5
set bmargin -5

# No legend needed
set nokey

# Add lightly-colored axis lines
set yzeroaxis
set xzeroaxis

# Put a y-axis tic at every 0.2
set ytics 0.2
set mytics 4

# Format tics as digit with one decimal place
set format y "%2.1f"

# Put an x-axis tic at every multiple of pi
set xtics 2*pi
set format x "%2.0f"
set mxtics 4

# Plot as lines
plot sin(x)/x with lines
 
# Close the file (so I don't have to close gnuplot to view it)
set output

Licensing

I, the copyright holder of this work, hereby publish it under the following licenses:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic 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.
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
You may select the license of your choice.

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File history

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Date/TimeThumbnailDimensionsUserComment
current17:32, 3 June 2006Thumbnail for version as of 17:32, 3 June 20061,300 × 975 (18 KB)Omegatronthicker lines, tweaks
03:08, 22 May 2006Thumbnail for version as of 03:08, 22 May 20061,000 × 750 (13 KB)Omegatronunicode font?
03:04, 22 May 2006Thumbnail for version as of 03:04, 22 May 20061,000 × 750 (15 KB)Omegatron

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