dabserr_snn.m

神经网络的工具箱, 神经网络的工具箱,

function df_da = dabserr_snn(a, t)
%DABSERR_SNN 1st derivative of ABSERR_SNN with respect to y.
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% Syntax
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%  df_dy = dabserr_snn(y0, t0)
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%      y0    - output
%      t0    - target
%      df_dy - derivative of ABSERR_SNN(y,t) with respect to y in (y0,t0)
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% See also
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%  ABSERR_SNN
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df_da = ((a-t)>0) - ((a-t)<0);