java.lang.NullPointerException: This exception has no message.

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via neuroph by elisacarli
, 1 year ago
This exception has no message.
via neuroph by reiden10
, 1 year ago
This exception has no message.
via Stack Overflow by chickensoup
, 1 year ago
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 org.neuroph.core.learning.IterativeLearning.doOneLearningIteration(IterativeLearning.java:205)

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