| changeset 380 | c17aa604468a |
| parent 348 | 3f70aeb1e115 |
| 379:4b3c0d8fffe2 | 380:c17aa604468a |
|---|---|
1 % Created 2010-10-26 Tue 12:11 |
1 % Created 2010-11-02 Tue 17:47 |
2 \documentclass[presentation]{beamer} |
2 \documentclass[presentation]{beamer} |
3 \usepackage[latin1]{inputenc} |
3 \usepackage[latin1]{inputenc} |
4 \usepackage[T1]{fontenc} |
4 \usepackage[T1]{fontenc} |
5 \usepackage{fixltx2e} |
5 \usepackage{fixltx2e} |
6 \usepackage{graphicx} |
6 \usepackage{graphicx} |
7 \usepackage{longtable} |
7 \usepackage{longtable} |
8 \usepackage{float} |
8 \usepackage{float} |
9 \usepackage{wrapfig} |
9 \usepackage{wrapfig} |
10 \usepackage{soul} |
10 \usepackage{soul} |
11 \usepackage{t1enc} |
|
12 \usepackage{textcomp} |
11 \usepackage{textcomp} |
13 \usepackage{marvosym} |
12 \usepackage{marvosym} |
14 \usepackage{wasysym} |
13 \usepackage{wasysym} |
15 \usepackage{latexsym} |
14 \usepackage{latexsym} |
16 \usepackage{amssymb} |
15 \usepackage{amssymb} |
26 |
25 |
27 \title{Accessing parts of arrays} |
26 \title{Accessing parts of arrays} |
28 \author{FOSSEE} |
27 \author{FOSSEE} |
29 \date{} |
28 \date{} |
30 |
29 |
31 \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} |
30 \usetheme{Antibes}\usecolortheme{lily}\useoutertheme{infolines}\setbeamercovered{transparent} |
32 \begin{document} |
31 \begin{document} |
33 |
32 |
34 \maketitle |
33 \maketitle |
35 |
34 |
36 |
35 |
55 \end{frame} |
54 \end{frame} |
56 \begin{frame}[fragile] |
55 \begin{frame}[fragile] |
57 \frametitle{Sample Arrays} |
56 \frametitle{Sample Arrays} |
58 \label{sec-2} |
57 \label{sec-2} |
59 |
58 |
60 \begin{verbatim} |
59 \lstset{language=Python} |
60 \begin{lstlisting} |
|
61 In []: A = array([12, 23, 34, 45, 56]) |
61 In []: A = array([12, 23, 34, 45, 56]) |
62 |
62 |
63 In []: C = array([[11, 12, 13, 14, 15], |
63 In []: C = array([[11, 12, 13, 14, 15], |
64 [21, 22, 23, 24, 25], |
64 [21, 22, 23, 24, 25], |
65 [31, 32, 33, 34, 35], |
65 [31, 32, 33, 34, 35], |
66 [41, 42, 43, 44, 45], |
66 [41, 42, 43, 44, 45], |
67 [51, 52, 53, 54, 55]]) |
67 [51, 52, 53, 54, 55]]) |
68 \end{verbatim} |
68 \end{lstlisting} |
69 \end{frame} |
69 \end{frame} |
70 \begin{frame} |
70 \begin{frame} |
71 \frametitle{Question 1} |
71 \frametitle{Question 1} |
72 \label{sec-3} |
72 \label{sec-3} |
73 |
73 |
75 \end{frame} |
75 \end{frame} |
76 \begin{frame}[fragile] |
76 \begin{frame}[fragile] |
77 \frametitle{Solution 1} |
77 \frametitle{Solution 1} |
78 \label{sec-4} |
78 \label{sec-4} |
79 |
79 |
80 \begin{verbatim} |
80 \lstset{language=Python} |
81 \begin{lstlisting} |
|
81 In []: C[:, -1] = 0 |
82 In []: C[:, -1] = 0 |
82 \end{verbatim} |
83 \end{lstlisting} |
83 \end{frame} |
84 \end{frame} |
84 \begin{frame} |
85 \begin{frame} |
85 \frametitle{Question 2} |
86 \frametitle{Question 2} |
86 \label{sec-5} |
87 \label{sec-5} |
87 |
88 |
89 \end{frame} |
90 \end{frame} |
90 \begin{frame}[fragile] |
91 \begin{frame}[fragile] |
91 \frametitle{Solution 2} |
92 \frametitle{Solution 2} |
92 \label{sec-6} |
93 \label{sec-6} |
93 |
94 |
94 \begin{verbatim} |
95 \lstset{language=Python} |
96 \begin{lstlisting} |
|
95 In []: A[:] = [11, 12, 13, 14, 15] |
97 In []: A[:] = [11, 12, 13, 14, 15] |
96 \end{verbatim} |
98 \end{lstlisting} |
97 \end{frame} |
99 \end{frame} |
98 \begin{frame} |
100 \begin{frame} |
99 \frametitle{squares.png} |
101 \frametitle{squares.png} |
100 \label{sec-7} |
102 \label{sec-7} |
101 |
103 |
115 \end{frame} |
117 \end{frame} |
116 \begin{frame}[fragile] |
118 \begin{frame}[fragile] |
117 \frametitle{Solution 3} |
119 \frametitle{Solution 3} |
118 \label{sec-9} |
120 \label{sec-9} |
119 |
121 |
120 \begin{verbatim} |
122 \lstset{language=Python} |
123 \begin{lstlisting} |
|
121 In []: C[1, 1:3] |
124 In []: C[1, 1:3] |
122 In []: C[0:4, 0] |
125 In []: C[0:4, 0] |
123 In []: C[1:5, 0] |
126 In []: C[1:5, 0] |
124 \end{verbatim} |
127 \end{lstlisting} |
125 \end{frame} |
128 \end{frame} |
126 \begin{frame} |
129 \begin{frame} |
127 \frametitle{Question 4} |
130 \frametitle{Question 4} |
128 \label{sec-10} |
131 \label{sec-10} |
129 |
132 |
131 \end{frame} |
134 \end{frame} |
132 \begin{frame}[fragile] |
135 \begin{frame}[fragile] |
133 \frametitle{Solution 4} |
136 \frametitle{Solution 4} |
134 \label{sec-11} |
137 \label{sec-11} |
135 |
138 |
136 \begin{verbatim} |
139 \lstset{language=Python} |
140 \begin{lstlisting} |
|
137 In []: C[1:3, 2:4] |
141 In []: C[1:3, 2:4] |
138 \end{verbatim} |
142 \end{lstlisting} |
139 \end{frame} |
143 \end{frame} |
140 \begin{frame} |
144 \begin{frame} |
141 \frametitle{Question 5} |
145 \frametitle{Question 5} |
142 \label{sec-12} |
146 \label{sec-12} |
143 |
147 |
145 \end{frame} |
149 \end{frame} |
146 \begin{frame}[fragile] |
150 \begin{frame}[fragile] |
147 \frametitle{Solution 5} |
151 \frametitle{Solution 5} |
148 \label{sec-13} |
152 \label{sec-13} |
149 |
153 |
150 \begin{verbatim} |
154 \lstset{language=Python} |
155 \begin{lstlisting} |
|
151 In []: imshow(I[75:225, 75:225]) |
156 In []: imshow(I[75:225, 75:225]) |
152 \end{verbatim} |
157 \end{lstlisting} |
153 \end{frame} |
158 \end{frame} |
154 \begin{frame}[fragile] |
159 \begin{frame}[fragile] |
155 \frametitle{Question 6} |
160 \frametitle{Question 6} |
156 \label{sec-14} |
161 \label{sec-14} |
157 |
162 |
158 Obtain the following |
163 Obtain the following |
159 \begin{verbatim} |
164 \lstset{language=Python} |
165 \begin{lstlisting} |
|
160 [[12, 0], [42, 0]] |
166 [[12, 0], [42, 0]] |
161 [[12, 13, 14], [0, 0, 0]] |
167 [[12, 13, 14], [0, 0, 0]] |
162 \end{verbatim} |
168 \end{lstlisting} |
163 \end{frame} |
169 \end{frame} |
164 \begin{frame}[fragile] |
170 \begin{frame}[fragile] |
165 \frametitle{Solution 6} |
171 \frametitle{Solution 6} |
166 \label{sec-15} |
172 \label{sec-15} |
167 |
173 |
168 \begin{verbatim} |
174 \lstset{language=Python} |
175 \begin{lstlisting} |
|
169 In []: C[::3, 1::3] |
176 In []: C[::3, 1::3] |
170 In []: C[::4, 1:4] |
177 In []: C[::4, 1:4] |
171 \end{verbatim} |
178 \end{lstlisting} |
172 \end{frame} |
179 \end{frame} |
173 \begin{frame} |
180 \begin{frame} |
174 \frametitle{Summary} |
181 \frametitle{Summary} |
175 \label{sec-16} |
182 \label{sec-16} |
176 |
183 |
177 You should now be able to -- |
184 You should now be able to -- |
178 \begin{itemize} |
185 \begin{itemize} |
179 \item Manipulate 1D \& Multi dimensional arrays |
186 \item Manipulate single \& multi dimensional arrays |
180 |
187 |
181 \begin{itemize} |
188 \begin{itemize} |
182 \item Access and change individual elements |
189 \item Access and change individual elements |
183 \item Access and change rows and columns |
190 \item Access and change rows and columns |
184 \item Slice and stride on arrays |
191 \item Slice and stride on arrays |