French
DeutschFile:Lanczos-windows.svg
Size of this PNG preview of this SVG file: 300 × 200 pixels. Other resolutions: 320 × 213 pixels | 640 × 427 pixels | 1,024 × 683 pixels | 1,280 × 853 pixels | 2,560 × 1,707 pixels.
Original file (SVG file, nominally 300 × 200 pixels, file size: 7 KB)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description | English: Lanczos windows for 3 different scales: 1, 2, and 3. | ||
| Date | |||
| Source | Self-made in gnuplot. | ||
| Author | Nils R. Barth | ||
| Permission (Reusing this file) | Nils R. Barth, the copyright holder of this work, hereby publishes it under the following license:
|
gnuplot source
# Graphs of Lanczos window # Central lobe of normalized sinc, scaled to different widths # Set terminal set terminal svg enhanced size 300 200 fs 10 set samples 1001 # high quality set border 31 linewidth .3 # thin border set output "lanczos-windows.svg" # Ranges set xrange [-3:3] # Widest window is -3 to 3 set xtics .5 # Accords with existing graphs, provides scale set yrange [-.1:1.1] # Slight headroom from max of 1 set ytics .2 # Accords with existing graphs # Zero axes as guidelines, no key (self-explanatory) set zeroaxis unset key ########################### # Define and plot function ########################### sinc(x) = sin(pi*x)/(pi*x) # Normalized sinc set parametric # Parametric to provide alt ranges plot [t=-1:1] t, sinc(t), \ 2*t, sinc(t), \ 3*t, sinc(t) Licensing
 | I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:43, 10 May 2011 | | 300 × 200 (7 KB) | Kxx | Regenerated from source using GNUPLOT 4.2.6 Simplified using Inkscape 0.48 |
| 23:27, 13 April 2009 |  | 300 × 200 (16 KB) | Nbarth | {{Information |Description={{en|1=Lanczos window}} |Source=Own work by uploader |Author=Nbarth |Date=2009-04-14 |Permission= |other_versions= }} <!--{{ImageUpload|full}}--> Category:Window function |
File usage
The following 2 pages use this file:
Global file usage
The following other wikis use this file:
- Usage on ca.wikipedia.org
- Usage on es.wikipedia.org
- Usage on ru.wikipedia.org
