49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/**
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* This program creates a neural network from scratch. Its purpose is to get
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* two numbers and learn to compute their sum and difference (so the network
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* provides two output values). The training set is auto-generated to an XML
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* string, and then the network is trained.
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*
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* by BlackLight, 2009
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*/
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#include <iostream>
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#include <neural++.hpp>
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using namespace std;
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using namespace neuralpp;
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int main() {
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NeuralNet net(2, 2, 2, 0.002, 1000);
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string xml;
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double tmp;
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int id = 0;
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// XML initialization. Then, I say XML that 3+2=5, 3-2=1; 4+2=6, 4-2=2; 6+3=9, 6-3=3
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// Strings' format is "input1,input2,...,inputn;output1,output2,...,outputm
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NeuralNet::initXML(xml);
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xml += NeuralNet::XMLFromSet(id, "3,2;5,1");
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xml += NeuralNet::XMLFromSet(id, "4,2;6,2");
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xml += NeuralNet::XMLFromSet(id, "6,3;9,3");
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NeuralNet::closeXML(xml);
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cout << xml << endl;
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net.train(xml, NeuralNet::str);
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vector<double> v;
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cout << "Network status: trained\n\n";
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cout << "First number: ";
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cin >> tmp;
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v.push_back(tmp);
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cout << "Second number: ";
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cin >> tmp;
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v.push_back(tmp);
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net.setInput(v);
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net.propagate();
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cout << "Output: " << net.getOutputs()[0] << "; " << net.getOutputs()[1] << endl;
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return 0;
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}
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