Hi Dan,

the easiest way to declare `exclude` and `constant.weights` is as a vector of indices. You can determine the index of the neuron as follows:

The layers are arranged in sequence, with the bias neuron being the first in each layer. So in a neural net with 6 input neurons and a layer of 3 hidden neurons, the bias neurons would be at indices 1 and 8.

HTH.

Sebastian

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