java.lang.NullPointerException

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Solutions on the web123830

  • via Terracotta by unnutz, 11 months ago
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  • This exception has no message.
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  • Stack trace

    • java.lang.NullPointerException at org.neuroph.nnet.learning.MomentumBackpropagation.updateNeuronWeights(MomentumBackpropagation.java:71) at org.neuroph.nnet.learning.SigmoidDeltaRule.calculateErrorAndUpdateOutputNeurons(SigmoidDeltaRule.java:84) at org.neuroph.nnet.learning.BackPropagation.updateNetworkWeights(BackPropagation.java:56) at org.neuroph.core.learning.SupervisedLearning.learnPattern(SupervisedLearning.java:175) at org.neuroph.core.learning.SupervisedLearning.doLearningEpoch(SupervisedLearning.java:148) at test_neuroph.Main.main(Main.java:43)

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