"#%3Cinit%3E(org.apache.spark.sql.Dataset,long,long)">Matrix</a></span>&#8203;(org.apache.spark.sql.Dataset&lt;org.apache.spark.sql.Row&gt;&nbsp;dataFrame,
      long&nbsp;numRows,
      long&nbsp;numCols)</code></th>
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<div class="block">Convert a Spark DataFrame to a SystemDS binary-block representation,
 specifying the number of rows and columns.</div>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(or