trixIndexes, MatrixBlock&gt;</code> matrix</dd>
<dd><code>matrixMetadata</code> - matrix metadata, such as number of rows and columns</dd>
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<h4>Matrix</h4>
<pre>public&nbsp;Matrix&#8203;(org.apache.spark.sql.Dataset&lt;org.apache.spark.sql.Row&gt;&nbsp;dataFrame)</pre>
<div class="block">Convert a Spark DataFrame to a SystemDS binary-block representation.</div>
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<dt><spa