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<H1>ragged matrix</H1>
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(data structure)
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<strong>Definition:</strong>
A <a href="matrix.html" tppabs="http://hissa.nist.gov/dads/HTML/matrix.html"><em>matrix</em></a> having irregular numbers of items in each row.
<P><strong>See also</strong>
<a href="uniformmatrx.html" tppabs="http://hissa.nist.gov/dads/HTML/uniformmatrx.html"><em>uniform matrix</em></a>, <a href="sparsematrix.html" tppabs="http://hissa.nist.gov/dads/HTML/sparsematrix.html"><em>sparse matrix</em></a>.
<P><em>Note:
An <a href="uppertriangm.html" tppabs="http://hissa.nist.gov/dads/HTML/uppertriangm.html"><em>upper triangular matrix</em></a> or a <a href="lowertriangm.html" tppabs="http://hissa.nist.gov/dads/HTML/lowertriangm.html"><em>lower triangular matrix</em></a> are usually not thought of as being ragged since the number of items in each row is linear. <P> For example <table> <tr><td>1</td><td>16</td><td>18</td><td>9</td><td>12</td></tr> <tr><td>6</td></tr> <tr><td>1</td><td>8</td><td>3</td><td>0</td></tr> </table></em>
<P>Author: <a href="terms.html#authorPEB" tppabs="http://hissa.nist.gov/dads/terms.html#authorPEB">PEB</a>
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Entry modified Thu Sep 2 14:31:22 1999.<BR>
HTML page formatted Wed Dec 22 09:36:17 1999.
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