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<dd><code>numRows</code> - the number of rows</dd>
<dd><code>numCols</code> - the number of columns</dd>
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<h4>Matrix</h4>
<pre>public&nbsp;Matrix&#8203;(org.apache.spark.api.java.JavaPairRDD&lt;<a href="../../runtime/matrix/data/MatrixIndexes.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixIndexes</a>,&