α | filter packing density |
β | adjustable parameter |
γ | learning rate |
δi | training data output values |
η | single fiber efficiency |
ηANN | single fiber efficiency estimated by ANN |
ηNumeric | numerical single fiber efficiency |
q | polar coordinate dimensionless |
ζi | network output values |
σi | network input values |
(σip, xip) | outputs of the network with the same input |
(σip, dip) | the p-th pair pre-assigned input/output |