32 #ifndef FIRSTORDERSAGCOSTFUNCTION_H
33 #define FIRSTORDERSAGCOSTFUNCTION_H
The class is about a stochastic cost function for stochastic average minimizers.
The first order stochastic cost function base class.
virtual ~FirstOrderSAGCostFunction()
virtual int32_t get_sample_size()=0
virtual SGVector< float64_t > get_gradient()=0
virtual float64_t get_cost()=0
virtual SGVector< float64_t > get_average_gradient()=0
all of classes and functions are contained in the shogun namespace