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matrix_subtraction
Differences
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| matrix_subtraction [2015/02/12 10:26] – created rupert | matrix_subtraction [2016/02/16 10:03] (current) – rupert | ||
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| - | If $A$ and $B$ are matrices of the [[same size]], then $A-B$ is defined to be the matrix with the same size as $A$ and $B$ so that the $(i,j)$ entry of $A+B$ is $a_{ij}-b_{ij}$, | + | If $A$ and $B$ are matrices of the [[same size]], then $A-B$ is defined to be the matrix with the same size as $A$ and $B$ so that the $(i,j)$ entry of $A-B$ is $a_{ij}-b_{ij}$, |
| If $A$ and $B$ are matrices of different sizes, then $A-B$ is undefined. | If $A$ and $B$ are matrices of different sizes, then $A-B$ is undefined. | ||
matrix_subtraction.1423736811.txt.gz · Last modified: by rupert