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[mq]: folder_reorganization
author Carlo de Falco <cdf@users.sourceforge.net>
date Thu, 08 Nov 2012 09:55:34 +0100
parents what-is-octave.tex@8e32f52a1888
children
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1 \documentclass[12pt]{beamer}
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2
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3
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4 \usetheme{Octave}
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5 \usepackage{thumbpdf}
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6 \usepackage{wasysym}
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7 \usepackage{ucs}
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8 \usepackage[utf8]{inputenc}
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9 \usepackage{pgf,pgfarrows,pgfnodes,pgfautomata,pgfheaps,pgfshade}
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10 \usepackage{verbatim}
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11
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12 \pdfinfo
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13 {
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14 /Title (What is Octave?)
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15 /Creator (TeX)
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16 /Author (Jordi Gutiérrez Hermoso)
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17 }
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18
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19
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20 \title{What is Octave?}
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21 \author{Jordi Gutiérrez Hermoso}
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22 % \date{September 6th 2006}
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23
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24 \begin{document}
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25
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26 \frame{\titlepage}
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27
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28 \section*{}
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29 \begin{frame}
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30 \frametitle{Outline}
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31 \tableofcontents[section=1,hidesubsections]
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32 \end{frame}
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33
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34 \AtBeginSection[]
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35 {
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36 \frame<handout:0>
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37 {
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38 \frametitle{Outline}
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39 \tableofcontents[currentsection,hideallsubsections]
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40 }
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41 }
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42
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43 \AtBeginSubsection[]
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44 {
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45 \frame<handout:0>
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46 {
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47 \frametitle{Outline}
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48 \tableofcontents[sectionstyle=show/hide,subsectionstyle=show/shaded/hide]
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49 }
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50 }
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51
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52 \newcommand<>{\highlighton}[1]{%
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53 \alt#2{\structure{#1}}{{#1}}
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54 }
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55
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56 \newcommand{\icon}[1]{\pgfimage[height=1em]{#1}}
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57
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58
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59
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60 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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61 %%%%%%%%%% Content starts here %%%%%%%%%%
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62 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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63
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64 \section{What is it?}
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65 \begin{frame}
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66 \frametitle{What is Octave?}
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67 \begin{block}{Our motto}
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68 \begin{quote}
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69 \Huge A free numerical environment mostly compatible with \sc{Matlab}
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70 \end{quote}
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71 \end{block}
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72 \end{frame}
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73
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74 \begin{frame}
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75 \frametitle{What is Octave?}
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76 \begin{block}{What is compatibility?}
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77 \begin{itemize}
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78 \item A point of much debate...
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79 \pause
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80 \item My personal viewpoint, shared by some: if it works in
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81 {\sc{Matlab}}, it should work in Octave. If it works in Octave, it can
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82 break in {\sc{Matlab}}.
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83 \pause
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84 \item Does this also mean it has to look exactly like {\sc{Matlab}}? Can
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85 we deviate at all?
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86 \pause
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87 \item The perils of ``compatibility flags''
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88 \end{itemize}
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89 \end{block}
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90 \end{frame}
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91
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92 \begin{frame}
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93 \frametitle{The interface}
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94 \begin{itemize}
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95 \item Primarily a CLI interface (BYOTE)
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96 \pause
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97 \item Most requested feature: GUI! (we're finally listening)
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98 \pause
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99 \item Tons of existing GUIs, though.
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100 \end{itemize}
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101 \end{frame}
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102
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103 \begin{frame}
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104 \frametitle{Lines of code}
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105 The stuff Octave is made of...
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106 \pause
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107 \begin{block}{Core}
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108 \begin{itemize}
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109 \item About 600,000 lines of C++
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110 \item About 100,000 lines of m-scripts
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111 \item About 50,000 lines of Fortran
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112 \end{itemize}
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113 \end{block}
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114 \pause
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115 \begin{block}{Octave-Forge}
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116 \begin{itemize}
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117 \item About 200,000 lines of C++
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118 \item About 330,000 lines of m-scripts
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119 \item About 50,000 lines of Fortran
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120 \end{itemize}
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121 \end{block}
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122 \end{frame}
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123
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124 \begin{frame}
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125 \frametitle{Features}
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126 \begin{block}{Current features}
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127 \begin{itemize}
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128 \item N-d arrays, linear algebra, sparse matrices
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129 \item Nonlinear equations
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130 \item Differential equations
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131 \item Image processing
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132 \item Signal processing
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133 \item Statistics
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134 \item Control theory
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135 \item Special functions
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136 \pause
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137 \item Many more...
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138 \end{itemize}
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139 \end{block}
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140 \end{frame}
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141
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142 \begin{frame}
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143 \frametitle{Features}
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144 \begin{block}{Features in development}
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145 \begin{itemize}
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146 \item JIT compiling
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147 \item classdef OOP
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148 \item GUI
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149 \item Least squares spectral analysis
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150 \end{itemize}
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151 \end{block}
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152 \end{frame}
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153
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154 \section{History}
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155
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156 \begin{frame}
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157 \frametitle{In the beginning... }
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158
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159
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160 \begin{itemize}
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161 \item Chemical reactor textbook needed companion software
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162 \item John W. Eaton (hereafter, jwe) started coding in 1993
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163 \end{itemize}
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164 \pause
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165
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166 \begin{block}{Rawlings said...}
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167 \begin{quote}
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168 \center
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169 \huge Why don't you call it ``Octave''?
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170 \end{quote}
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171 \end{block}
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172
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173 \end{frame}
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174
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175 \begin{frame}
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176 \frametitle{jwe is a lone wolf...}
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177
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178 jwe works almost completely alone for first four or five years.
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179
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180 \pause
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181
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182 \begin{block}{In the very beginning...}
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183 \begin{itemize}
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184 \item No mailing lists
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185 \item No widespread announcements
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186 \item No VCS (these were dark times)
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187 \end{itemize}
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188 \end{block}
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189 \end{frame}
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190
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191 \begin{frame}
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192 \frametitle{Contributions slowly trickle in}
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193 \begin{block}{Timeline}
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194 \begin{itemize}
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195 \item[1989] Planning stages
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196 \item[1992] Development begins
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197 \item[1993] First public announcement
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198 \item[1994] Version 1.0
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199 \item[1996] Version 2.0
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200 \item[1998] Version 2.1 development
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201 \item[2004] Version 2.9 in preparation for 3.0 release
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202 \item[2007] Version 3.0 major upgrade
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203 \item[2010] Version 3.2.4, last before using hg branchily
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204 \item[2011] Version 3.4.0
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205 \item[2012] Version 3.6.0
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206 \end{itemize}
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207 \end{block}
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208 \end{frame}
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209
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210 \begin{frame}
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211 \frametitle{Contributions slowly trickle in}
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212 \begin{block}{Milestones}
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213 \begin{itemize}
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214 \item[1994] Most of the current basic functionality already in.
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215 (Much was written during its first two years!)
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216 \pause
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217 \item[1995] Structs, {\sc{Matlab}}-style plot() command.
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218 \item[1998] Original sparse matrix implementation
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219 \item[2001] Octave-Forge's first commit
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220 \item[2006] MEX interface in core
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221 \item[2007] Implementation of handle graphics
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222 \item[2009] OpenGL plotting
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223 \item[2010] -forge option for pkg.m
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224 \item[2012?] Nested functions
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225 \pause
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226 \item[2013?] GUI? JIT compiling?
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227 \end{itemize}
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228 \end{block}
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229 \end{frame}
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230
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231
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232 \section{Community dynamics}
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233
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234 \begin{frame}
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235 \frametitle{Communication}
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236 \begin{block}{Casual users}
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237 \begin{itemize}
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238 \item Mailing lists
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239 \item \#octave channel in Freenode
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240 \item Octave wiki
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241 \item Savannah bug tracker
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242 \end{itemize}
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243 \end{block}
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244 \pause
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245 \begin{block}{Developers}
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246 \begin{itemize}
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247 \item All of the above
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248 \item Mercurial and svn repositories
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249 \item Octave-Forge list
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250 \end{itemize}
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251 \end{block}
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252 \end{frame}
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253
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254 \begin{frame}
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255 \frametitle{Social structure}
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256 \begin{itemize}
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257 \item Like all free projects, every user is a potential developer.
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258 \pause
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259 \item Tiny minority of users are responsible for almost all of the
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260 code (but does this reflect true involvement...?)
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261 \pause
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262 \item 12 current core developers (with write access to repo)
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263 \pause
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264 \item 296 total contributors over all time
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265 \pause
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266 \item How many users? Thousands? Millions?
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267 \end{itemize}
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268 \end{frame}
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269
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270 \begin{frame}
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271 \frametitle{From user to developer}
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272 This is a FAQ
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273 \pause
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274 \begin{block}{How can I contribute?}
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275 \begin{itemize}
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276 \item code (obviously)
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277 \pause
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278 \item Documentation (especially examples)
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279 \item Wiki maintenance
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280 \item Help in the mailing list
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281 \item Bug reporting
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282 \end{itemize}
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283 \end{block}
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284 \pause
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285 Stick around this conference if you want to learn more about how to get involved!
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286 \end{frame}
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287
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288 \end{document}