java.lang.NullPointerException

Stack Overflow | chickensoup | 5 months ago
  1. 0

    Error NullPointer Neuroph doOneLearningIteration

    Stack Overflow | 5 months ago | chickensoup
    java.lang.NullPointerException
  2. 0

    Null pointer exception on iteration

    neuroph | 4 years ago | elisacarli
    java.lang.NullPointerException
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  4. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.neuroph.nnet.learning.MomentumBackpropagation.updateNeuronWeights()
    2. org.neuroph.nnet
      BackPropagation.updateNetworkWeights
      1. org.neuroph.nnet.learning.MomentumBackpropagation.updateNeuronWeights(MomentumBackpropagation.java:72)
      2. org.neuroph.nnet.learning.BackPropagation.calculateErrorAndUpdateOutputNeurons(BackPropagation.java:83)
      3. org.neuroph.nnet.learning.BackPropagation.updateNetworkWeights(BackPropagation.java:53)
      3 frames
    3. org.neuroph.core
      IterativeLearning.doOneLearningIteration
      1. org.neuroph.core.learning.SupervisedLearning.learnPattern(SupervisedLearning.java:190)
      2. org.neuroph.core.learning.SupervisedLearning.doLearningEpoch(SupervisedLearning.java:165)
      3. org.neuroph.core.learning.IterativeLearning.doOneLearningIteration(IterativeLearning.java:245)
      3 frames
    4. com.thao
      Main.main
      1. com.thao.Main.main(Main.java:76)
      1 frame