org.apache.spark.ml.recommendation

Interface ALS.LeastSquaresNESolver

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

ALS.CholeskySolver, ALS.NNLSSolver

Enclosing class:

ALS

public static interface ALS.LeastSquaresNESolver
extends scala.Serializable

Trait for least squares solvers applied to the normal equation.

Method Summary

Methods

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

Method Detail

solve

float[] solve(ALS.NormalEquation ne,
            double lambda)

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