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New page: =Matrices= A Matrix is a rectangular array of numbers arranged in rows and columns which can be used to organize numeric information. Matrices can be used to predict trends and outcomes in... |
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| Rad 4: | Rad 4: | ||
A matrix can be written | A matrix can be written and displayed like [[Image: matrices03.gif|A matrix]] | ||
In this case the matrix is constructed using the brackets before creating the array: | In this case the matrix is constructed using the brackets before creating the array: | ||
$$ M = \left[\begin{array} a&b&1 \ c&d&2 \ e&f&3\end{array}\right] $$ | $$ M = \left[\begin{array} a&b&1 \ c&d&2 \ e&f&3\end{array}\right] $$ | ||
The internal structure of the array is generated by the &, ampersand, and the double backslash. | The internal structure of the array is generated by the &, ampersand, and the double backslash. | ||
Versionen från 7 augusti 2010 kl. 23.43
Matrices
A Matrix is a rectangular array of numbers arranged in rows and columns which can be used to organize numeric information. Matrices can be used to predict trends and outcomes in real situations - i.e. polling.
A matrix can be written and displayed like
In this case the matrix is constructed using the brackets before creating the array:
$$ M = \left[\begin{array} a&b&1 \ c&d&2 \ e&f&3\end{array}\right] $$
The internal structure of the array is generated by the &, ampersand, and the double backslash.