options = TrainingOptionsADAM with properties: GradientDecayFactor: 0.9000 SquaredGradientDecayFactor: 0.9900 Epsilon: 1.0000e-08 InitialLearnRate: 3.0000e-04 MaxEpochs: 20 LearnRateSchedule: 'none' LearnRateDropFactor: 0.1000 LearnRateDropPeriod: 10 MiniBatchSize: 64 Shuffle: 'once' CheckpointFrequency...