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diff --git a/sourcecodes/bnt-master/nethelp3.3/demmdn1.htm b/sourcecodes/bnt-master/nethelp3.3/demmdn1.htm new file mode 100644 index 00000000..7401d220 --- /dev/null +++ b/sourcecodes/bnt-master/nethelp3.3/demmdn1.htm @@ -0,0 +1,48 @@ +<html> +<head> +<title> +Netlab Reference Manual demmdn1 +</title> +</head> +<body> +<H1> demmdn1 +</H1> +<h2> +Purpose +</h2> +Demonstrate fitting a multi-valued function using a Mixture Density Network. + +<p><h2> +Synopsis +</h2> +<PRE> +demmdn1</PRE> + + +<p><h2> +Description +</h2> +The problem consists of one input variable +<CODE>x</CODE> and one target variable <CODE>t</CODE> with data generated by +sampling <CODE>t</CODE> at equal intervals and then generating target data by +computing <CODE>t + 0.3*sin(2*pi*t)</CODE> and adding Gaussian noise. A +Mixture Density Network with 3 centres in the mixture model is trained +by minimizing a negative log likelihood error function using the scaled +conjugate gradient optimizer. + +<p>The conditional means, mixing coefficients and variances are plotted +as a function of <CODE>x</CODE>, and a contour plot of the full conditional +density is also generated. + +<p><h2> +See Also +</h2> +<CODE><a href="mdn.htm">mdn</a></CODE>, <CODE><a href="mdnerr.htm">mdnerr</a></CODE>, <CODE><a href="mdngrad.htm">mdngrad</a></CODE>, <CODE><a href="scg.htm">scg</a></CODE><hr> +<b>Pages:</b> +<a href="index.htm">Index</a> +<hr> +<p>Copyright (c) Ian T Nabney (1996-9) + + +</body> +</html> \ No newline at end of file |