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square_matrix [2013/09/15 17:37] nikolaj old revision restored (2013/09/06 22:04) |
square_matrix [2016/09/30 15:54] nikolaj |
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| ===== Square matrix ===== | ===== Square matrix ===== | ||
| - | ==== Definition ==== | + | ==== Set ==== |
| - | | @#88DDEE: $X$ | | + | | @#55CCEE: context | @#55CCEE: $X$ | |
| - | | @#88DDEE: $n\in \mathbb N$ | | + | | @#55CCEE: context | @#55CCEE: $n\in \mathbb N$ | |
| + | | @#FFBB00: definiendum | @#FFBB00: $ \mathrm{Matrix}(n,X)\equiv \mathrm{Matrix}(n,n,X) $ | | ||
| - | | @#FFBB00: $ \mathrm{Matrix}(n,X)\equiv \mathrm{Matrix}(n,n,X) $ | | + | ----- |
| - | + | === Discussion === | |
| - | ==== Discussion ==== | + | |
| We write $A_{i,j}\equiv (A_i)_j$ | We write $A_{i,j}\equiv (A_i)_j$ | ||
| - | ==== Parents ==== | + | |
| + | ----- | ||
| === Subset of === | === Subset of === | ||
| [[Matrix]] | [[Matrix]] | ||
