## Uses of Class
org.apache.ignite.ml.recommendation.util.MatrixFactorizationGradient

- Packages that use MatrixFactorizationGradient
  Package | Description
  --- | ---
  org.apache.ignite.ml.recommendation.util | Contains util classes used in recommendation system framework.

- - ### Uses of MatrixFactorizationGradient in org.apache.ignite.ml.recommendation.util

    Methods in org.apache.ignite.ml.recommendation.util that return MatrixFactorizationGradient
    Modifier and Type | Method and Description
    --- | ---
    `MatrixFactorizationGradient<O,S>` | RecommendationDatasetData.`calculateGradient(Map<O,Vector> objMatrix, Map<S,Vector> subjMatrix, int batchSize, int seed, double regParam, double learningRate)` Calculates gradient of the loss function of recommendation system SGD training.

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Release Date | : December 9 2020