3258 Number of nodes in the layers for neural net classifier Question: How does ENVI determine the number of nodes in the hidden layer for neural net classification? Answer: The number of nodes on the hidden layers is equal to the number of bands. The first input layer also has number-of-bands nodes and the output layer has number-of-classes nodes. Review on 12/31/2013 MM Why a large HH minus VV phase difference is interpreted as a double bounce scattering mechanism Finding the Nth Roots of a Real Number