%Delta Decrease (delt_dec) function parameter
%
%  <a href="matlab:doc nnparam.delt_dec">delt_dec</a> is a <a href="matlab:doc nntrain">training function</a> parameter.
%  It must be a zero to one.
%
%  <a href="matlab:doc nnparam.delt_dec">delt_dec</a> is multiple to decrease the learning step size.
%
%  This parameter is used by <a href="matlab:doc trainrp">trainrp</a>.
 

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