Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!ncar!gatech!psuvax1!psuvm!dbngmd13!dmswwu1c!zur072 From: ZUR072@DMSWWU1C.BITNET (Ulrich Kuehn) Newsgroups: comp.ai.neural-nets Subject: Re: Back Propagation problem..help needed. Message-ID: <91059.131559ZUR072@DMSWWU1C.BITNET> Date: 28 Feb 91 14:47:02 GMT References: <1991Feb20.135431.27119@maths.tcd.ie> Lines: 9 Organisation: Westfaelische Wilhelms-Universitaet, Muenster, Germany In <1991Feb20.135431.27119@maths.tcd.ie> Thomas Murphy writes: Also, do I need thresholds, so far I have ignored them but are they important. Yes, tese thresholds are very important for convergence of bp. Yo can handle them as a connection to a neuron which is always turned on, so all you have to do is to use the learning algorithm on this weight for each neuron, too. Ulrich Kuehn