ISupportSdcaLoss.DualUpdate(Single, Single, Single, Single, Int32) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Compute the dual update (\Delta\alpha_i) in SDCA
- alpha: dual variable at the specified instance
- lambdaN: L2 const x number of instances
- cached invariant, hinted by the method above
public float DualUpdate (float output, float label, float dual, float invariant, int maxNumThreads);
abstract member DualUpdate : single * single * single * single * int -> single
Public Function DualUpdate (output As Single, label As Single, dual As Single, invariant As Single, maxNumThreads As Integer) As Single
Parameters
- output
- Single
- label
- Single
- dual
- Single
- invariant
- Single
- maxNumThreads
- Int32