beta2 A value that specifies the second moment constant in the range 0 to 1. Declarationvar beta2: Float See AlsoInstance Propertieslearning_ratebeta1time_stepepsilongradient_scaleregularization_scaleregularization_funcclipping_funcBNNSOptimizerClippingFunctionclip_gradients_minclip_gradients_maxclip_gradients_max_normclip_gradients_use_norm