成员的完整列表,这些成员属于 FirstOrderSAGCostFunction,包括所有继承而来的类成员
| begin_sample()=0 | FirstOrderStochasticCostFunction | pure virtual |
| get_average_gradient()=0 | FirstOrderSAGCostFunction | pure virtual |
| get_cost()=0 | FirstOrderSAGCostFunction | pure virtual |
| get_gradient()=0 | FirstOrderSAGCostFunction | pure virtual |
| get_sample_size()=0 | FirstOrderSAGCostFunction | pure virtual |
| next_sample()=0 | FirstOrderStochasticCostFunction | pure virtual |
| obtain_variable_reference()=0 | FirstOrderCostFunction | pure virtual |