ISupportSdcaLoss.DualUpdate(Single, Single, Single, Single, Int32) 方法

定義

命名空間:

Microsoft.ML.Trainers

組件:

Microsoft.ML.Data.dll

套件:

Microsoft.ML v3.0.1

在 SDCA 中計算雙重更新 (\Delta\Alpha_i)

• Alpha：指定實例上的雙重變數
• LambdaN：L2 const x 實例數目
• 快取的不變異，由上述方法提示

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

參數

output

Single

label

Single

dual

Single

invariant

Single

maxNumThreads

Int32

傳回

Single