?? sigmoid.html
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<html><head> <meta HTTP-EQUIV="Content-Type" CONTENT="text/html;charset=ISO-8859-1"> <title>Contents.m</title><link rel="stylesheet" type="text/css" href="../stpr.css"></head><body><table border=0 width="100%" cellpadding=0 cellspacing=0><tr valign="baseline"><td valign="baseline" class="function"><b class="function">SIGMOID</b><td valign="baseline" align="right" class="function"><a href="../probab/index.html" target="mdsdir"><img border = 0 src="../up.gif"></a></table> <p><b>Evaluates sigmoid function.</b></p> <hr><div class='code'><code><span class=help></span><br><span class=help> <span class=help_field>Synopsis:</span></span><br><span class=help> y = sigmoid(X,model)</span><br><span class=help> y = sigmois(X,A1,A2)</span><br><span class=help></span><br><span class=help> <span class=help_field>Description:</span></span><br><span class=help> y = sigmoid(X,model) returns </span><br><span class=help> y = 1/(1+exp(A(1)*X + A(2))</span><br><span class=help></span><br><span class=help> where A = model.A.</span><br><span class=help></span><br><span class=help> y = sigmois(X, A1, A2) allows A to be given as A = [A1 A2].</span><br><span class=help></span><br><span class=help> <span class=help_field>Input:</span></span><br><span class=help> X [1 x num_data] Inputs.</span><br><span class=help> model.A [2 x 1] Sigmoid parameters.</span><br><span class=help></span><br><span class=help> <span class=help_field>Output:</span></span><br><span class=help> y [1 x num_data] Evaluated sigmoid function.</span><br><span class=help></span><br><span class=help> <span class=also_field>See also </span><span class=also></span><br><span class=help><span class=also> <a href = "../probab/estimation/mlsigmoid.html" target="mdsbody">MLSIGMOID</a>.</span><br><span class=help></span><br></code></div> <hr> <b>Source:</b> <a href= "../probab/list/sigmoid.html">sigmoid.m</a> <p><b class="info_field">About: </b> Statistical Pattern Recognition Toolbox<br> (C) 1999-2003, Written by Vojtech Franc and Vaclav Hlavac<br> <a href="http://www.cvut.cz">Czech Technical University Prague</a><br> <a href="http://www.feld.cvut.cz">Faculty of Electrical Engineering</a><br> <a href="http://cmp.felk.cvut.cz">Center for Machine Perception</a><br> <p><b class="info_field">Modifications: </b> <br> 3-jun-2004, VF<br> 8-may-2003, VF<br></body></html>?? 快捷鍵說(shuō)明
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