The GNU Plotting Utilities Programs and Functions for Vector Graphics and Data Plotting Version 2.6
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The Symbol of Infinity Represented by the Art
ering & ine M g a n n E Tamir, Ind Eng Manage 2014, 3:3 a l g a i e r m t s DOI: 10.4172/2169-0316.1000e124 e u n d t n I Industrial Engineering & Management ISSN: 2169-0316 Editorial Open Access Artistic Demonstrations by Euclidean Geometry: Possible in 2D but Impossible in 3D Abraham Tamir* Department of Chemical Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel Infinity is a concept that has different meanings in mathematics, hole. The right hand side of Figure 2 entitled “The False Mirror” is philosophy, cosmology and everyday language. However the common the artwork of the Belgian surrealist artist Rene Magritte. A giant eye to all meanings is that infinity is something that its content is higher is formed as a frame of a blue sky with clouds. The pupil of the eye than everything else or a process that will never reach its end. The creates a dead centre in a sharp colour contrast to the white and blue of mathematical symbol of infinity is demonstrated in the different the sky, and also with a contrast of form–the hard outline of the pupil artworks that are the major subject of this article. The most accepted against the soft curves and natural form of the clouds. Surprisingly, the definition of infinity is “a quantity greater than any assignable quantity combination of the original artwork on the right with its mirror image of the same kind”. Other definitions are as follows. In geometry it creates the symbol of infinity. -
GNU Emacs Manual
GNU Emacs Manual GNU Emacs Manual Sixteenth Edition, Updated for Emacs Version 22.1. Richard Stallman This is the Sixteenth edition of the GNU Emacs Manual, updated for Emacs version 22.1. Copyright c 1985, 1986, 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. 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 the Invariant Sections being \The GNU Manifesto," \Distribution" and \GNU GENERAL PUBLIC LICENSE," with the Front-Cover texts being \A GNU Manual," and with the Back-Cover Texts as in (a) below. A copy of the license is included in the section entitled \GNU Free Documentation License." (a) The FSF's Back-Cover Text is: \You have freedom to copy and modify this GNU Manual, like GNU software. Copies published by the Free Software Foundation raise funds for GNU development." Published by the Free Software Foundation 51 Franklin Street, Fifth Floor Boston, MA 02110-1301 USA ISBN 1-882114-86-8 Cover art by Etienne Suvasa. i Short Contents Preface ::::::::::::::::::::::::::::::::::::::::::::::::: 1 Distribution ::::::::::::::::::::::::::::::::::::::::::::: 2 Introduction ::::::::::::::::::::::::::::::::::::::::::::: 5 1 The Organization of the Screen :::::::::::::::::::::::::: 6 2 Characters, Keys and Commands ::::::::::::::::::::::: 11 3 Entering and Exiting Emacs ::::::::::::::::::::::::::: 15 4 Basic Editing -
Downloads." the Open Information Security Foundation
Performance Testing Suricata The Effect of Configuration Variables On Offline Suricata Performance A Project Completed for CS 6266 Under Jonathon T. Giffin, Assistant Professor, Georgia Institute of Technology by Winston H Messer Project Advisor: Matt Jonkman, President, Open Information Security Foundation December 2011 Messer ii Abstract The Suricata IDS/IPS engine, a viable alternative to Snort, has a multitude of potential configurations. A simplified automated testing system was devised for the purpose of performance testing Suricata in an offline environment. Of the available configuration variables, seventeen were analyzed independently by testing in fifty-six configurations. Of these, three variables were found to have a statistically significant effect on performance: Detect Engine Profile, Multi Pattern Algorithm, and CPU affinity. Acknowledgements In writing the final report on this endeavor, I would like to start by thanking four people who made this project possible: Matt Jonkman, President, Open Information Security Foundation: For allowing me the opportunity to carry out this project under his supervision. Victor Julien, Lead Programmer, Open Information Security Foundation and Anne-Fleur Koolstra, Documentation Specialist, Open Information Security Foundation: For their willingness to share their wisdom and experience of Suricata via email for the past four months. John M. Weathersby, Jr., Executive Director, Open Source Software Institute: For allowing me the use of Institute equipment for the creation of a suitable testing -
Netpbm Format - Wikipedia, the Free Encyclopedia
Netpbm format - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Portable_anymap Netpbm format From Wikipedia, the free encyclopedia (Redirected from Portable anymap) The phrase Netpbm format commonly refers to any or all Portable pixmap of the members of a set of closely related graphics formats used and defined by the Netpbm project. The portable Filename .ppm, .pgm, .pbm, pixmap format (PPM), the portable graymap format extension .pnm (PGM) and the portable bitmap format (PBM) are image file formats designed to be easily exchanged between Internet image/x-portable- platforms. They are also sometimes referred to collectively media type pixmap, -graymap, [1] as the portable anymap format (PNM). -bitmap, -anymap all unofficial Developed Jef Poskanzer Contents by 1 History Type of Image file formats 2 File format description format 2.1 PBM example 2.2 PGM example 2.3 PPM example 3 16-bit extensions 4 See also 5 References 6 External links History The PBM format was invented by Jef Poskanzer in the 1980s as a format that allowed monochrome bitmaps to be transmitted within an email message as plain ASCII text, allowing it to survive any changes in text formatting. Poskanzer developed the first library of tools to handle the PBM format, Pbmplus, released in 1988. It mainly contained tools to convert between PBM and other graphics formats. By the end of 1988, Poskanzer had developed the PGM and PPM formats along with their associated tools and added them to Pbmplus. The final release of Pbmplus was December 10, 1991. In 1993, the Netpbm library was developed to replace the unmaintained Pbmplus. -
News on Educational Use of Computers Among Michigan Colleges and Universities
DOCUMENT RESUME ED 097 862 IR 001 204 AUTHOR Zinn, Karl, Ed. TITLE News on Educational Use of Computers Among Michigan Colleges and Universities. INSTITUTION Michigan Univ., Ann Arbor. Center for Research on Learning and Teaching. PUB DATE Jul 74 NOTE 74p.; Special Summer Issue on /CM 74 JOURNAL CIT On-Line; v3n4 Jul 1974 EDRS PRICE MF-$0.75 MC-$3.15 PLUS POSTAGE DESCRIPTORS * Computer Assisted Instruction; Computer Oriented Programs; *Computer Programs; *Computers; Conference Reports; *Mathematics; *Sciences IDENTIFIERS MERIT Computer Network; *Michigan ABSTRACT A special issue of the journal "On Linen is devoted to reporting the 1974 Instructional Computing inMichigan conference. The conference was divided into numerous sessions, and there are individual reports summarizing the activities and papers of each session. The sessions reported are on the instructionalcomputing aspects of mathematics, physical and environmentalsciences, behavioral and social sciences, arts and music, community colleges, college teaching and learning activities, terminals andcommunication facilities, and the MERIT Computer Network. In addition, a feyof the papers presented at the mathematicsand sciences sessions are reprinted in this issue. (VH) Volume Nurnbcr 4 JuZy la74 NEWS ON EDUCATIONAL USE OF COMPUTERS AMONG MICHIGAN COLLEGES AND UNIVERSITIES 101611111E Special Summer Issue on 1CM 74 SPECIAL REPORTS Page ICM 74 Table of Contents Int oduction to the 1CM 74 Conference Record K. Zinn 1 Mathematics Reports by H. Dershem, R. DeVinney, L. Allen and A. Falk 3 Physical and Environmental Sciences Reports by J. Moore, D. Emerson, J. Herman, J. Clime, R. Rosenberg, J. Forsythe and N. Eick 14 Behavioral and Social Sciences Reports by D. -
Communications Products
KMW ShortForm SYSTEMS CORPORATION Catalbg Communications Products GENERAL KMW products fali into three catagories ; commu interface products, or for more detailed informa nications, graphics and channel interfaces. This tion on any of the products described in th is doc document attempts to provide general informa ument, please contact your local representative tion on the communications product line. For in· or the KMW home office. formation on KMW graphic products and channel COMMUNICATIONS KMW's Series II Protocol Convertors are a sec ond generation offering of sophisticated micro processor-based protocol conversion equipment. Oesigned to allow the user to attach a wide vari ety of both serial and parallel devices to an IBM mainframe via synchronous communications, the Sedes II is the most cost-effective, versatile de vice of its type on the market today. SERIES II 3270 FS KMW's 3270 FS is designed to allow connection o Support of one to eight CRTs or printers of low cost async CRTs and printers to an IBM o Supports PF 1-24 PA·1, 2, 3, ENTER and mainframe. CLEAR functions Key features include: o Support for most common async CRTs includ 03271 BiSync or 3274 SNA/SOLC emulation ing Lear Seigler, Microterm, Televideo, OEC o Switch selectable control unit and device VT-52 and VT-100, IBM 3101 , Tektronix, etc. addresses o Seroll mode operation for printer/keyboard o Switch selectable baud rates up to 19,200 support Optional Direct Communications .--__----, j---------.-----i AS~ ASC II CRT I IBM 3704 li . ! KMW ~ L I A ASC II or ~ , sJnc Sy~c ~ Series Il l I MODEM I 1 MODEM I EQUIV. -
"Graph" Program
Physics 305 Introduction to Computational Physics Fall 2010 The graph program Unfortunately, graphics programs are not as universal as we would like. These notes discuss one simple graphics program, unimaginatively called “graph”. While it is not a part of the standard Linux setup, it is universally available (and free) from the GNU software project. In fact, it is written and maintained by Robert Maier in the UA Math department. More importantly for you, it is already installed on faraday. Before you try out “graph”, make a couple of data files to practice on. These should be just two columns of number, where each line is an (x, y) pair. For example, file “data1” might look like: 0.0 0.123 0.5 0.2245 0.7 0.3145 1.1 0.224 Note that the x values don’t have to be evenly spaced. graph can make several kinds of output. The two that are important to us are X-windows output, which makes plots appear on the screen in front of you, and PostScript output, which you can email as part of your homework assignment. (You can, and should, also view the PostScript on your screen by using the “gv” (short for “ghostview”) command. Now try it out. Suppose “data1” is the name of one our your practice data files. Type graph -T X data1 WATCH OUT. Upper and lower case matters. Spacing and punctuation matter. “-T” and “X” must be upper case, and there must be a space between them. This should produce a graph of your data file on your screen. -
Linux from Scratch Version 6.2
Linux From Scratch Version 6.2 Gerard Beekmans Linux From Scratch: Version 6.2 by Gerard Beekmans Copyright © 1999–2006 Gerard Beekmans Copyright (c) 1999–2006, Gerard Beekmans All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: • Redistributions in any form must retain the above copyright notice, this list of conditions and the following disclaimer • Neither the name of “Linux From Scratch” nor the names of its contributors may be used to endorse or promote products derived from this material without specific prior written permission • Any material derived from Linux From Scratch must contain a reference to the “Linux From Scratch” project THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Linux From Scratch - Version 6.2 Table of Contents Preface -
A Quick Guide to Gnuplot
A Quick Guide to Gnuplot Andrea Mignone Physics Department, University of Torino AA 2020-2021 What is Gnuplot ? • Gnuplot is a free, command-driven, interactive, function and data plotting program, providing a relatively simple environment to make simple 2D plots (e.g. f(x) or f(x,y)); • It is available for all platforms, including Linux, Mac and Windows (http://www.gnuplot.info) • To start gnuplot from the terminal, simply type > gnuplot • To produce a simple plot, e.g. f(x) = sin(x) and f(x) = cos(x)^2 gnuplot> plot sin(x) gnuplot> replot (cos(x))**2 # Add another plot • By default, gnuplot assumes that the independent, or "dummy", variable for the plot command is "x” (or “t” in parametric mode). Mathematical Functions • In general, any mathematical expression accepted by C, FORTRAN, Pascal, or BASIC may be plotted. The precedence of operators is determined by the specifications of the C programming language. • Gnuplot supports the same operators of the C programming language, except that most operators accept integer, real, and complex arguments. • Exponentiation is done through the ** operator (as in FORTRAN) Using set/unset • The set/unset commands can be used to controls many features, including axis range and type, title, fonts, etc… • Here are some examples: Command Description set xrange[0:2*pi] Limit the x-axis range from 0 to 2*pi, set ylabel “f(x)” Sets the label on the y-axis (same as “set xlabel”) set title “My Plot” Sets the plot title set log y Set logarithmic scale on the y-axis (same as “set log x”) unset log y Disable log scale on the y-axis set key bottom left Position the legend in the bottom left part of the plot set xlabel font ",18" Change font size for the x-axis label (same as “set ylabel”) set tic font ",18" Change the major (labelled) tics font size on all axes. -
Python Data Plotting and Visualisation Extravaganza 1 Introduction
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by The Python Papers Anthology The Python Papers Monograph, Vol. 1 (2009) 1 Available online at http://ojs.pythonpapers.org/index.php/tppm Python Data Plotting and Visualisation Extravaganza Guy K. Kloss Computer Science Institute of Information & Mathematical Sciences Massey University at Albany, Auckland, New Zealand [email protected] This paper tries to dive into certain aspects of graphical visualisation of data. Specically it focuses on the plotting of (multi-dimensional) data us- ing 2D and 3D tools, which can update plots at run-time of an application producing or acquiring new or updated data during its run time. Other visual- isation tools for example for graph visualisation, post computation rendering and interactive visual data exploration are intentionally left out. Keywords: Linear regression; vector eld; ane transformation; NumPy. 1 Introduction Many applications produce data. Data by itself is often not too helpful. To generate knowledge out of data, a user usually has to digest the information contained within the data. Many people have the tendency to extract patterns from information much more easily when the data is visualised. So data that can be visualised in some way can be much more accessible for the purpose of understanding. This paper focuses on the aspect of data plotting for these purposes. Data stored in some more or less structured form can be analysed in multiple ways. One aspect of this is post-analysis, which can often be organised in an interactive exploration fashion. One may for example import the data into a spreadsheet or otherwise suitable software tool which allows to present the data in various ways. -
Sage Tutorial (Pdf)
Sage Tutorial Release 9.4 The Sage Development Team Aug 24, 2021 CONTENTS 1 Introduction 3 1.1 Installation................................................4 1.2 Ways to Use Sage.............................................4 1.3 Longterm Goals for Sage.........................................5 2 A Guided Tour 7 2.1 Assignment, Equality, and Arithmetic..................................7 2.2 Getting Help...............................................9 2.3 Functions, Indentation, and Counting.................................. 10 2.4 Basic Algebra and Calculus....................................... 14 2.5 Plotting.................................................. 20 2.6 Some Common Issues with Functions.................................. 23 2.7 Basic Rings................................................ 26 2.8 Linear Algebra.............................................. 28 2.9 Polynomials............................................... 32 2.10 Parents, Conversion and Coercion.................................... 36 2.11 Finite Groups, Abelian Groups...................................... 42 2.12 Number Theory............................................. 43 2.13 Some More Advanced Mathematics................................... 46 3 The Interactive Shell 55 3.1 Your Sage Session............................................ 55 3.2 Logging Input and Output........................................ 57 3.3 Paste Ignores Prompts.......................................... 58 3.4 Timing Commands............................................ 58 3.5 Other IPython -
The Case of Infinity
University of Texas at El Paso DigitalCommons@UTEP Open Access Theses & Dissertations 2015-01-01 Challenges in Assessing College Students' Conception of Duality: The aC se of Infinity Grace Olutayo Babarinsa-Ochiedike University of Texas at El Paso, [email protected] Follow this and additional works at: https://digitalcommons.utep.edu/open_etd Part of the Higher Education Administration Commons, Higher Education and Teaching Commons, Mathematics Commons, and the Science and Mathematics Education Commons Recommended Citation Babarinsa-Ochiedike, Grace Olutayo, "Challenges in Assessing College Students' Conception of Duality: The asC e of Infinity" (2015). Open Access Theses & Dissertations. 997. https://digitalcommons.utep.edu/open_etd/997 This is brought to you for free and open access by DigitalCommons@UTEP. It has been accepted for inclusion in Open Access Theses & Dissertations by an authorized administrator of DigitalCommons@UTEP. For more information, please contact [email protected]. CHALLENGES IN ASSESSING COLLEGE STUDENTS’ CONCEPTION OF DUALITY: THE CASE OF INFINITY GRACE OLUTAYO BABARINSA-OCHIEDIKE Department of Teacher Education APPROVED: ________________________________ Mourat Tchoshanov, Ph.D., Chair ________________________________ Olga Kosheleva, Ph.D. ________________________________ Helmut Knaust, Ph.D. Charles Ambler, Ph.D. Dean of the Graduate School Copyright © by Grace Olutayo Babarinsa-Ochiedike 2015 Dedication I dedicate this dissertation to the Ancient of Days; the author and the finisher of my faith. When my heart was overwhelmed, you led me beside the still waters and you restored my soul. To my husband, Uzoma, with whom I am blessed to share my life. This journey begun 7 ½ years could not have been possible without your inspiration, understanding, and support.