org.apache.spark.ml.recommendation

Interface ALS.LeastSquaresNESolver

All Superinterfaces:

java.io.Serializable

Enclosing class:

ALS

public static interface ALS.LeastSquaresNESolver
extends scala.Serializable

Trait for least squares solvers applied to the normal equation.

Method Summary

Modifier and Type	Method and Description
float[]	solve(org.apache.spark.ml.recommendation.ALS.NormalEquation ne, double lambda) Solves a least squares problem with regularization (possibly with other constraints).

Method Detail

solve

float[] solve(org.apache.spark.ml.recommendation.ALS.NormalEquation ne,
              double lambda)

Solves a least squares problem with regularization (possibly with other constraints).