Difference between revisions of "QRDecomposition Command"
From GeoGebra Manual
(Created page with "<noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|cas=true|vector-matrix}} ==CAS Syntax== ;QRDecomposition( <Matrix> ) :Calculates the w:QR_decomposition|QR decomp...") |
|||
(One intermediate revision by one other user not shown) | |||
Line 3: | Line 3: | ||
;QRDecomposition( <Matrix> ) | ;QRDecomposition( <Matrix> ) | ||
:Calculates the [[w:QR_decomposition|QR decomposition]] of the given matrix. | :Calculates the [[w:QR_decomposition|QR decomposition]] of the given matrix. | ||
− | :{{example|1=<code><nowiki>QRDecomposition({{1,2},{3,4}})</nowiki></code> | + | :{{example|1=<code><nowiki>QRDecomposition({{1,2},{3,4}})</nowiki></code> returns the matrices <math>\begin{pmatrix}1/\sqrt{10}&3/5/\sqrt{10}/5\\3/\sqrt{10}&1/5/\sqrt{10}/5\end{pmatrix}</math> and <math>\begin{pmatrix}\sqrt{10}&7/5\sqrt{10}\\0&\sqrt{10}/5\end{pmatrix}</math>.}} |
+ | |||
{{note|1=See also [[LUDecomposition_Command|LUDecomposition]] command.}} | {{note|1=See also [[LUDecomposition_Command|LUDecomposition]] command.}} |
Latest revision as of 15:28, 2 May 2023
CAS Syntax
- QRDecomposition( <Matrix> )
- Calculates the QR decomposition of the given matrix.
- Example:
QRDecomposition({{1,2},{3,4}})
returns the matrices \begin{pmatrix}1/\sqrt{10}&3/5/\sqrt{10}/5\\3/\sqrt{10}&1/5/\sqrt{10}/5\end{pmatrix} and \begin{pmatrix}\sqrt{10}&7/5\sqrt{10}\\0&\sqrt{10}/5\end{pmatrix}.
Note: See also LUDecomposition command.