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+<html>
+<head>
+<title>
+Netlab Reference Manual linef
+</title>
+</head>
+<body>
+<H1> linef
+</H1>
+<h2>
+Purpose
+</h2>
+Calculate function value along a line.
+
+<p><h2>
+Description
+</h2>
+<CODE>linef(lambda, fn, x, d)</CODE> calculates the value of the function
+<CODE>fn</CODE> at the point <CODE>x+lambda*d</CODE>.  Here <CODE>x</CODE> is a row vector
+and <CODE>lambda</CODE> is a scalar.
+
+<p><CODE>linef(lambda, fn, x, d, p1, p2, ...)</CODE> allows additional
+arguments to be passed to <CODE>fn()</CODE>.  
+This function is used for convenience in some of the optimisation routines.
+
+<p><h2>
+Examples
+</h2>
+An example of 
+the use of this function can be found in the function <CODE>linemin</CODE>.
+
+<p><h2>
+See Also
+</h2>
+<CODE><a href="gradchek.htm">gradchek</a></CODE>, <CODE><a href="linemin.htm">linemin</a></CODE><hr>
+<b>Pages:</b>
+<a href="index.htm">Index</a>
+<hr>
+<p>Copyright (c) Ian T Nabney (1996-9)
+
+
+</body>
+</html>
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