library: libMLP
#include "TSynapse.h"

TSynapse


class description - source file - inheritance tree (.pdf)

class TSynapse : public TObject

Inheritance Chart:
TObject
<-
TSynapse

    public:
TSynapse() TSynapse(TNeuron*, TNeuron*, Double_t w = 1) TSynapse(const TSynapse&) virtual ~TSynapse() static TClass* Class() Double_t GetDeDw() const Double_t GetDEDw() const TNeuron* GetPost() const TNeuron* GetPre() const Double_t GetValue() const Double_t GetWeight() const virtual TClass* IsA() const TSynapse& operator=(const TSynapse&) void SetDEDw(Double_t in) void SetPost(TNeuron* post) void SetPre(TNeuron* pre) void SetWeight(Double_t w) virtual void ShowMembers(TMemberInspector& insp, char* parent) virtual void Streamer(TBuffer& b) void StreamerNVirtual(TBuffer& b)

Data Members

    private:
TNeuron* fpre the neuron before the synapse TNeuron* fpost the neuron after the synapse Double_t fweight the weight of the synapse Double_t fDEDw ! the derivative of the total error wrt the synapse weight

Class Description

 TSynapse

 This is a simple weighted bidirectionnal connection between
 two neurons.
 A network is built connecting two neurons by a synapse.
 In addition to the value, the synapse can return the DeDw



TSynapse()
 Default constructor

TSynapse(TNeuron * pre, TNeuron * post, Double_t w)
 Constructor that connects two neurons

void SetPre(TNeuron * pre)
 Sets the pre-neuron

void SetPost(TNeuron * post)
 Sets the post-neuron

Double_t GetValue() const
 Returns the value: weithted input

Double_t GetDeDw() const
 Computes the derivative of the error wrt the synapse weight.

void SetWeight(Double_t w)
 Sets the weight of the synapse.
 This weight is the multiplying factor applied on the
 output of a neuron in the linear combination given as input
 of another neuron.

void SetDEDw(Double_t in)
 Sets the derivative of the total error wrt the synapse weight



Inline Functions


               void ~TSynapse()
           TNeuron* GetPre() const
           TNeuron* GetPost() const
           Double_t GetWeight() const
           Double_t GetDEDw() const
            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void Streamer(TBuffer& b)
               void StreamerNVirtual(TBuffer& b)
           TSynapse TSynapse(const TSynapse&)
          TSynapse& operator=(const TSynapse&)


Author: Christophe.Delaere@cern.ch 21/08/2002
Last update: root/mlp:$Name: $:$Id: TSynapse.cxx,v 1.5 2004/09/29 10:55:55 rdm Exp $
Copyright (C) 1995-2003, Rene Brun and Fons Rademakers. *


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