File:BDD simple.png
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BDD_simple.png (189 × 241 pixels, file size: 8 KB, MIME type: image/png)
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Summary
[edit]DescriptionBDD simple.png | BDD graph for the Boolean formula -x1 * -x2 * -x3 + x1 * x2 + x2 * x3 |
Date | |
Source | self-made using CrocoPat, a tool for relational programming, and GraphViz dot, a tool for graph layout |
Author | Dirk Beyer |
Permission (Reusing this file) |
GFDL and cc-by-sa-2.5 |
Other versions | but should be uploaded as soon as WikiMedia supports that file format. |
The PNG picture is 189 x 241 pixel.
Other BDD pictures:
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BDD graph for the Boolean formula x1 * x2 + x3 * x4 + x5 * x6 + x7 * x8 using a good variable ordering
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BDD graph for the Boolean formula x1 * x2 + x3 * x4 + x5 * x6 + x7 * x8 using a bad variable ordering
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Visualization of the BDD for the Boolean formula x1 * x2 + x3 * x4 + ... + x19 * x20 using a bad variable ordering
The following is the RML (Relational Manipulation Language) code that I fed to CrocoPat to produce the GraphViz dot files:
// RML program to generate a BDD graph for the formula // !x1 & !x2 & !x3 | x1 & x2 | x2 & x3, // using the variable ordering <x1, x2, x3>. // "crocopat -e BDD_simple.rml" generates a file in dot format. // "dot -Tsvg BDD_simple.dot -o BDD_Variable_Ordering_Bad.svg" // generates a file in SVG format from the file in dot format. // There are two ('Boolean') values for the variables x1, x2, x3. DOM("0"); DOM("1"); // F is the name of the Boolean formula. F(x1,x2,x3) := (x1="0" & x2="0" & x3="0") | (x1="1" & x2="1") | (x2="1" & x3="1"); // Prints the BDD as graph in GraphViz dot format. PRINT GRAPH( F(x1,x2,x3) ) TO "BDD_simple.dot";
Licensing
[edit]I, the copyright holder of this work, hereby publish it under the following licenses:
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.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | ||
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This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 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.
You may select the license of your choice.
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:53, 20 October 2005 | 189 × 241 (8 KB) | Dirk Beyer (talk | contribs) | size adjusted (smaller) | |
18:27, 20 October 2005 | 246 × 320 (11 KB) | Dirk Beyer (talk | contribs) | == Summary == {{Information| |Description = BDD graph for the Boolean formula -x1 * -x2 * -x3 + x1 * x2 + x2 * x3 |Source = self-made using [http://directory.fsf.org/math/CrocoPat.html CrocoPat], a tool for relational programming, and GraphViz dot, a |
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