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  <h1>Glossar zur Linearen Algebra</h1>
  <p><a href="a.html">A</a>
	<a href="b.html">B</a> <a href="c.html">C </a><a href="d.html">D</a> <a href="e.html">E</a>
	<a href="f.html">F</a> <a href="g.html">G</a> <a href="h.html">H</a>	<a href="j.html">I</a>
	<a href="j.html">J</a> <a href="k.html">K</a> <a href="l.html">L</a> <a href="m.html">M</a>
	<a href="n.html">N</a>	<a href="o.html">O</a>	<a href="p.html">P</a>
	<span class="important" style="font-weight: bold">Q</span>
	<a href="r.html">R</a> <a href="s.html">S</a> <a href="t.html">T</a> <a href="u.html">U</a>
	<a href="v.html">V</a> W X Y <a href="z.html">Z</a></p>
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      <td class="grau"> 
        Ausdruck
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      <td class="grau"> 
        Definition
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        <td>quadratische Matrix 
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        <td> 
          Eine (m, n) -Matrix hei&#223;t quadratisch, wenn 
            <span class="nowrap">m = n</span> gilt, wenn also die Zeilenzahl und die Spaltenzahl &#252;bereinstimmen.             
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        <td>QR-Zerlegung </td>
        <td> 
          Es sei A eine (m, n) -Matrix, Q eine orthogonale (m, m) -Matrix und R             
            eine obere (m,n) -Dreiecksmatrix mit A = QR . Dann hei&#223;t dies eine QR-Zerlegung von A.          
             
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