(New page: An entry (for a matrix) is one element in that matrix. It can be written as a lower case letter, with subscripts showing its row and column in the matrix. For example, in the matrix M= <m...)
 
 
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For example, in the matrix M= <math>\begin{bmatrix}1 & 2 & 3 \\
 
For example, in the matrix M= <math>\begin{bmatrix}1 & 2 & 3 \\
 
4 & 5 & 6 \end{bmatrix}</math>, the entry <math>m_{21}</math> is 4.
 
4 & 5 & 6 \end{bmatrix}</math>, the entry <math>m_{21}</math> is 4.
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[[Category:MA351]]

Latest revision as of 14:06, 18 January 2009

An entry (for a matrix) is one element in that matrix. It can be written as a lower case letter, with subscripts showing its row and column in the matrix.

For example, in the matrix M= $ \begin{bmatrix}1 & 2 & 3 \\ 4 & 5 & 6 \end{bmatrix} $, the entry $ m_{21} $ is 4.

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Basic linear algebra uncovers and clarifies very important geometry and algebra.

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