[30] | 1 | \section{emix Class Reference} |
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| 2 | \label{classemix}\index{emix@{emix}} |
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[106] | 3 | Mixture of epdfs. |
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[30] | 4 | |
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| 5 | |
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[106] | 6 | {\tt \#include $<$emix.h$>$} |
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[30] | 7 | |
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| 8 | Inheritance diagram for emix:\nopagebreak |
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| 9 | \begin{figure}[H] |
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| 10 | \begin{center} |
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| 11 | \leavevmode |
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[106] | 12 | \includegraphics[width=40pt]{classemix__inherit__graph} |
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[30] | 13 | \end{center} |
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| 14 | \end{figure} |
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| 15 | Collaboration diagram for emix:\nopagebreak |
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| 16 | \begin{figure}[H] |
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| 17 | \begin{center} |
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| 18 | \leavevmode |
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[106] | 19 | \includegraphics[width=40pt]{classemix__coll__graph} |
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[30] | 20 | \end{center} |
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| 21 | \end{figure} |
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| 22 | \subsection*{Public Member Functions} |
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| 23 | \begin{CompactItemize} |
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| 24 | \item |
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[106] | 25 | {\bf emix} ({\bf RV} \&{\bf rv})\label{classemix_3a10c8481115a5460877272ddb6532a6} |
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[30] | 26 | |
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| 27 | \begin{CompactList}\small\item\em Default constructor. \item\end{CompactList}\item |
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[106] | 28 | void {\bf set\_\-parameters} (const vec \&{\bf w}, const Array$<$ {\bf epdf} $\ast$ $>$ \&{\bf Coms})\label{classemix_6ce82b24d7fe540ddbf44b472a005555} |
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[30] | 29 | |
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[106] | 30 | \begin{CompactList}\small\item\em Set weights {\tt w} and components {\tt R}. \item\end{CompactList}\item |
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| 31 | vec {\bf sample} () const |
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| 32 | \begin{CompactList}\small\item\em Returns the required moment of the \doxyref{epdf}{p.}{classepdf}. \item\end{CompactList}\item |
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| 33 | vec {\bf mean} () const \label{classemix_b662a51d042b062020460e64bff4e9e8} |
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[30] | 34 | |
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[106] | 35 | \begin{CompactList}\small\item\em return expected value \item\end{CompactList}\item |
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| 36 | double {\bf evalpdflog} (const vec \&val) const \label{classemix_469e910479b3402589104ef3bb1b5741} |
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[33] | 37 | |
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[106] | 38 | \begin{CompactList}\small\item\em Compute log-probability of argument {\tt val}. \item\end{CompactList}\item |
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| 39 | vec \& {\bf \_\-w} ()\label{classemix_35baf0f62307455cebfbf462144b4dd8} |
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| 40 | |
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| 41 | \begin{CompactList}\small\item\em returns a pointer to the internal mean value. Use with Care! \item\end{CompactList}\item |
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[140] | 42 | virtual mat {\bf sampleN} (int N) const \label{classepdf_54d7dd53a641b618771cd9bee135181f} |
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[106] | 43 | |
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| 44 | \begin{CompactList}\small\item\em Returns N samples from density $epdf(rv)$. \item\end{CompactList}\item |
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[33] | 45 | virtual double {\bf eval} (const vec \&val) const \label{classepdf_3ea597362e11a0040fe7c990269d072c} |
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[30] | 46 | |
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| 47 | \begin{CompactList}\small\item\em Compute probability of argument {\tt val}. \item\end{CompactList}\item |
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[162] | 48 | {\bf RV} \& {\bf \_\-rv} ()\label{classepdf_4778ea61ef400813e47750e024e9fc2f} |
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[33] | 49 | |
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[162] | 50 | \begin{CompactList}\small\item\em access function, possibly dangerous! \item\end{CompactList}\end{CompactItemize} |
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[30] | 51 | \subsection*{Protected Attributes} |
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| 52 | \begin{CompactItemize} |
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| 53 | \item |
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[106] | 54 | vec {\bf w}\label{classemix_cdc8f4e2a5e43595ac5450d8a7f9d1ab} |
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[30] | 55 | |
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[106] | 56 | \begin{CompactList}\small\item\em weights of the components \item\end{CompactList}\item |
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| 57 | Array$<$ {\bf epdf} $\ast$ $>$ {\bf Coms}\label{classemix_7155d827417b53fb6aa5cff1459e6eb4} |
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[30] | 58 | |
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[106] | 59 | \begin{CompactList}\small\item\em Component (epdfs). \item\end{CompactList}\item |
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| 60 | {\bf RV} {\bf rv}\label{classepdf_74da992e3f5d598da8850b646b79b9d9} |
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[30] | 61 | |
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[106] | 62 | \begin{CompactList}\small\item\em Identified of the random variable. \item\end{CompactList}\end{CompactItemize} |
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[30] | 63 | |
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| 64 | |
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| 65 | \subsection{Detailed Description} |
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[106] | 66 | Mixture of epdfs. |
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[30] | 67 | |
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[106] | 68 | Density function: \[ f(x) = \sum_{i=1}^{n} w_{i} f_i(x), \quad \sum_{i=1}^n w_i = 1. \] where $f_i(x)$ is any density on random variable $x$, called {\em component\/}, |
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| 69 | |
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[30] | 70 | \subsection{Member Function Documentation} |
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| 71 | \index{emix@{emix}!sample@{sample}} |
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| 72 | \index{sample@{sample}!emix@{emix}} |
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[140] | 73 | \subsubsection[sample]{\setlength{\rightskip}{0pt plus 5cm}vec emix::sample () const\hspace{0.3cm}{\tt [virtual]}}\label{classemix_0650601f24e633e0ab09aa1e46c14483} |
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[30] | 74 | |
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| 75 | |
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| 76 | Returns the required moment of the \doxyref{epdf}{p.}{classepdf}. |
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| 77 | |
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[106] | 78 | Returns a sample, $x$ from density $epdf(rv)$ |
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[30] | 79 | |
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[106] | 80 | Implements {\bf epdf} \doxyref{}{p.}{classepdf_8019654e494bf5e458f6fb947e11b262}. |
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[30] | 81 | |
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[106] | 82 | References Coms, and w. |
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| 83 | |
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| 84 | The documentation for this class was generated from the following files:\begin{CompactItemize} |
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[30] | 85 | \item |
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[145] | 86 | work/git/mixpp/bdm/stat/{\bf emix.h}\item |
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| 87 | work/git/mixpp/bdm/stat/emix.cpp\end{CompactItemize} |
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