Changeset 172 for doc/latex/classemix.tex
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- 09/24/08 13:31:03 (16 years ago)
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doc/latex/classemix.tex
r162 r172 1 \hypertarget{classemix}{ 1 2 \section{emix Class Reference} 2 3 \label{classemix}\index{emix@{emix}} 4 } 3 5 Mixture of epdfs. 4 6 … … 23 25 \begin{CompactItemize} 24 26 \item 25 {\bf emix} ({\bf RV} \&{\bf rv})\label{classemix_3a10c8481115a5460877272ddb6532a6} 27 \hypertarget{classemix_3a10c8481115a5460877272ddb6532a6}{ 28 \hyperlink{classemix_3a10c8481115a5460877272ddb6532a6}{emix} (\hyperlink{classRV}{RV} \&\hyperlink{classepdf_74da992e3f5d598da8850b646b79b9d9}{rv})} 29 \label{classemix_3a10c8481115a5460877272ddb6532a6} 26 30 27 31 \begin{CompactList}\small\item\em Default constructor. \item\end{CompactList}\item 28 void {\bf set\_\-parameters} (const vec \&{\bf w}, const Array$<$ {\bf epdf} $\ast$ $>$ \&{\bf Coms})\label{classemix_6ce82b24d7fe540ddbf44b472a005555} 32 \hypertarget{classemix_6ce82b24d7fe540ddbf44b472a005555}{ 33 void \hyperlink{classemix_6ce82b24d7fe540ddbf44b472a005555}{set\_\-parameters} (const vec \&\hyperlink{classemix_cdc8f4e2a5e43595ac5450d8a7f9d1ab}{w}, const Array$<$ \hyperlink{classepdf}{epdf} $\ast$ $>$ \&\hyperlink{classemix_7155d827417b53fb6aa5cff1459e6eb4}{Coms})} 34 \label{classemix_6ce82b24d7fe540ddbf44b472a005555} 29 35 30 36 \begin{CompactList}\small\item\em Set weights {\tt w} and components {\tt R}. \item\end{CompactList}\item 31 vec {\bf sample} () const 32 \begin{CompactList}\small\item\em Returns the required moment of the \doxyref{epdf}{p.}{classepdf}. \item\end{CompactList}\item 33 vec {\bf mean} () const \label{classemix_b662a51d042b062020460e64bff4e9e8} 37 \hypertarget{classemix_0650601f24e633e0ab09aa1e46c14483}{ 38 vec \hyperlink{classemix_0650601f24e633e0ab09aa1e46c14483}{sample} () const } 39 \label{classemix_0650601f24e633e0ab09aa1e46c14483} 40 41 \begin{CompactList}\small\item\em Returns a sample, $x$ from density $epdf(rv)$. \item\end{CompactList}\item 42 \hypertarget{classemix_b662a51d042b062020460e64bff4e9e8}{ 43 vec \hyperlink{classemix_b662a51d042b062020460e64bff4e9e8}{mean} () const } 44 \label{classemix_b662a51d042b062020460e64bff4e9e8} 34 45 35 46 \begin{CompactList}\small\item\em return expected value \item\end{CompactList}\item 36 double {\bf evalpdflog} (const vec \&val) const \label{classemix_469e910479b3402589104ef3bb1b5741} 47 \hypertarget{classemix_469e910479b3402589104ef3bb1b5741}{ 48 double \hyperlink{classemix_469e910479b3402589104ef3bb1b5741}{evalpdflog} (const vec \&val) const } 49 \label{classemix_469e910479b3402589104ef3bb1b5741} 37 50 38 51 \begin{CompactList}\small\item\em Compute log-probability of argument {\tt val}. \item\end{CompactList}\item 39 vec \& {\bf \_\-w} ()\label{classemix_35baf0f62307455cebfbf462144b4dd8} 52 \hypertarget{classemix_35baf0f62307455cebfbf462144b4dd8}{ 53 vec \& \hyperlink{classemix_35baf0f62307455cebfbf462144b4dd8}{\_\-w} ()} 54 \label{classemix_35baf0f62307455cebfbf462144b4dd8} 40 55 41 56 \begin{CompactList}\small\item\em returns a pointer to the internal mean value. Use with Care! \item\end{CompactList}\item 42 virtual mat {\bf sampleN} (int N) const \label{classepdf_54d7dd53a641b618771cd9bee135181f} 57 \hypertarget{classepdf_54d7dd53a641b618771cd9bee135181f}{ 58 virtual mat \hyperlink{classepdf_54d7dd53a641b618771cd9bee135181f}{sampleN} (int N) const } 59 \label{classepdf_54d7dd53a641b618771cd9bee135181f} 43 60 44 61 \begin{CompactList}\small\item\em Returns N samples from density $epdf(rv)$. \item\end{CompactList}\item 45 virtual double {\bf eval} (const vec \&val) const \label{classepdf_3ea597362e11a0040fe7c990269d072c} 62 \hypertarget{classepdf_3ea597362e11a0040fe7c990269d072c}{ 63 virtual double \hyperlink{classepdf_3ea597362e11a0040fe7c990269d072c}{eval} (const vec \&val) const } 64 \label{classepdf_3ea597362e11a0040fe7c990269d072c} 46 65 47 66 \begin{CompactList}\small\item\em Compute probability of argument {\tt val}. \item\end{CompactList}\item 48 {\bf RV} \& {\bf \_\-rv} ()\label{classepdf_4778ea61ef400813e47750e024e9fc2f} 67 \hypertarget{classepdf_6af383b6f1c6ea6fc5f6724dd03d8877}{ 68 virtual vec \hyperlink{classepdf_6af383b6f1c6ea6fc5f6724dd03d8877}{evalpdflog} (const mat \&Val) const } 69 \label{classepdf_6af383b6f1c6ea6fc5f6724dd03d8877} 49 70 50 \begin{CompactList}\small\item\em access function, possibly dangerous! \item\end{CompactList}\end{CompactItemize} 71 \begin{CompactList}\small\item\em Compute log-probability of multiple values argument {\tt val}. \item\end{CompactList}\item 72 \hypertarget{classepdf_ca0d32aabb4cbba347e0c37fe8607562}{ 73 const \hyperlink{classRV}{RV} \& \hyperlink{classepdf_ca0d32aabb4cbba347e0c37fe8607562}{\_\-rv} () const } 74 \label{classepdf_ca0d32aabb4cbba347e0c37fe8607562} 75 76 \begin{CompactList}\small\item\em access function, possibly dangerous! \item\end{CompactList}\item 77 \hypertarget{classepdf_7fb94ce90d1ac7077d29f7d6a6c3e0a5}{ 78 void \hyperlink{classepdf_7fb94ce90d1ac7077d29f7d6a6c3e0a5}{\_\-renewrv} (const \hyperlink{classRV}{RV} \&in\_\-rv)} 79 \label{classepdf_7fb94ce90d1ac7077d29f7d6a6c3e0a5} 80 81 \begin{CompactList}\small\item\em modifier function - useful when copying epdfs \item\end{CompactList}\end{CompactItemize} 51 82 \subsection*{Protected Attributes} 52 83 \begin{CompactItemize} 53 84 \item 54 vec {\bf w}\label{classemix_cdc8f4e2a5e43595ac5450d8a7f9d1ab} 85 \hypertarget{classemix_cdc8f4e2a5e43595ac5450d8a7f9d1ab}{ 86 vec \hyperlink{classemix_cdc8f4e2a5e43595ac5450d8a7f9d1ab}{w}} 87 \label{classemix_cdc8f4e2a5e43595ac5450d8a7f9d1ab} 55 88 56 89 \begin{CompactList}\small\item\em weights of the components \item\end{CompactList}\item 57 Array$<$ {\bf epdf} $\ast$ $>$ {\bf Coms}\label{classemix_7155d827417b53fb6aa5cff1459e6eb4} 90 \hypertarget{classemix_7155d827417b53fb6aa5cff1459e6eb4}{ 91 Array$<$ \hyperlink{classepdf}{epdf} $\ast$ $>$ \hyperlink{classemix_7155d827417b53fb6aa5cff1459e6eb4}{Coms}} 92 \label{classemix_7155d827417b53fb6aa5cff1459e6eb4} 58 93 59 94 \begin{CompactList}\small\item\em Component (epdfs). \item\end{CompactList}\item 60 {\bf RV} {\bf rv}\label{classepdf_74da992e3f5d598da8850b646b79b9d9} 95 \hypertarget{classepdf_74da992e3f5d598da8850b646b79b9d9}{ 96 \hyperlink{classRV}{RV} \hyperlink{classepdf_74da992e3f5d598da8850b646b79b9d9}{rv}} 97 \label{classepdf_74da992e3f5d598da8850b646b79b9d9} 61 98 62 99 \begin{CompactList}\small\item\em Identified of the random variable. \item\end{CompactList}\end{CompactItemize} … … 68 105 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\/}, 69 106 70 \subsection{Member Function Documentation}71 \index{emix@{emix}!sample@{sample}}72 \index{sample@{sample}!emix@{emix}}73 \subsubsection[sample]{\setlength{\rightskip}{0pt plus 5cm}vec emix::sample () const\hspace{0.3cm}{\tt [virtual]}}\label{classemix_0650601f24e633e0ab09aa1e46c14483}74 75 76 Returns the required moment of the \doxyref{epdf}{p.}{classepdf}.77 78 Returns a sample, $x$ from density $epdf(rv)$79 80 Implements {\bf epdf} \doxyref{}{p.}{classepdf_8019654e494bf5e458f6fb947e11b262}.81 82 References Coms, and w.83 84 107 The documentation for this class was generated from the following files:\begin{CompactItemize} 85 108 \item 86 work/git/mixpp/bdm/stat/ {\bfemix.h}\item109 work/git/mixpp/bdm/stat/\hyperlink{emix_8h}{emix.h}\item 87 110 work/git/mixpp/bdm/stat/emix.cpp\end{CompactItemize}