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122 \frametitle{Broadcasting} |
122 \frametitle{Broadcasting} |
123 Try it! |
123 Try it! |
124 \begin{lstlisting} |
124 \begin{lstlisting} |
125 >>> a = np.arange(4) |
125 >>> a = np.arange(4) |
126 >>> b = np.arange(5) |
126 >>> b = np.arange(5) |
127 >>> a+b |
127 >>> a+b #Does this work? |
128 >>> a+3 |
128 >>> a+3 |
129 >>> c=np.array([3]) |
129 >>> c=np.array([3]) |
130 >>> a+c |
130 >>> a+c #Works! |
131 >>> b+c |
131 >>> b+c #But how? |
|
132 >>> a.shape, b.shape, c.shape |
132 \end{lstlisting} |
133 \end{lstlisting} |
133 \begin{itemize} |
134 \begin{itemize} |
134 \item Enter Broadcasting! |
135 \item Enter Broadcasting! |
135 \end{itemize} |
136 \end{itemize} |
136 \end{frame} |
137 \end{frame} |