weibozhao commented on a change in pull request #24:
URL: https://github.com/apache/flink-ml/pull/24#discussion_r766391028
##########
File path:
flink-ml-core/src/main/java/org/apache/flink/ml/linalg/DenseMatrix.java
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@@ -0,0 +1,74 @@
+package org.apache.flink.ml.linalg;
+
+import org.apache.flink.api.common.typeinfo.TypeInfo;
+import org.apache.flink.ml.linalg.typeinfo.DenseMatrixTypeInfoFactory;
+
+import org.apache.flink.shaded.curator4.com.google.common.base.Preconditions;
+
+/**
+ * Column-major dense matrix. The entry values are stored in a single array of
doubles with columns
+ * listed in sequence.
+ */
+@TypeInfo(DenseMatrixTypeInfoFactory.class)
+public class DenseMatrix implements Matrix {
+
+ /** Row dimension. */
+ public final int numRows;
Review comment:
OK
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