weibozhao commented on a change in pull request #24:
URL: https://github.com/apache/flink-ml/pull/24#discussion_r769356113
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File path: flink-ml-core/src/main/java/org/apache/flink/ml/linalg/BLAS.java
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@@ -52,4 +52,39 @@ public static double norm2(DenseVector x) {
public static void scal(double a, DenseVector x) {
JAVA_BLAS.dscal(x.size(), a, x.values, 1);
}
+
+ /**
+ * y = alpha * matrix * x + beta * y or y = alpha * (matrix^T) * x + beta
* y.
+ *
+ * @param matrix Dense matrix with size m x n.
+ * @param transMatrix Whether transposes matrix before multiply.
+ * @param x Dense vector with size n.
+ * @param y Dense vector with size m.
Review comment:
I have added these docs.
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