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matrix [2015/10/18 17:54] nikolaj |
matrix [2016/09/30 15:49] nikolaj |
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| | @#55CCEE: context | @#55CCEE: $X$ ... set | | | @#55CCEE: context | @#55CCEE: $X$ ... set | | ||
| | @#55CCEE: context | @#55CCEE: $n,m\in \mathbb N$ | | | @#55CCEE: context | @#55CCEE: $n,m\in \mathbb N$ | | ||
| - | | @#55CCEE: context | @#55CCEE: $ A\in\mathrm{FinSequence}(\mathrm{FinSequence}(X)) $ | | ||
| | @#FFBB00: definiendum | @#FFBB00: $ A\in \mathrm{Matrix}(n,m,X) $ | | | @#FFBB00: definiendum | @#FFBB00: $ A\in \mathrm{Matrix}(n,m,X) $ | | ||
| + | | @#55EE55: postulate | @#55EE55: $$ A\in\mathrm{FinSequence}(\mathrm{FinSequence}(X)) $$ | | ||
| | @#DDDDDD: range | @#DDDDDD: $ 1\ge i\ge m$ | | | @#DDDDDD: range | @#DDDDDD: $ 1\ge i\ge m$ | | ||
| | @#55EE55: postulate | @#55EE55: $\mathrm{length}(A)=n$ | | | @#55EE55: postulate | @#55EE55: $\mathrm{length}(A)=n$ | | ||
| Line 14: | Line 14: | ||
| $A_{ij}\equiv (A_i)_j$ | $A_{ij}\equiv (A_i)_j$ | ||
| + | |||
| + | === Reference === | ||
| + | Wikipedia: | ||
| + | [[https://en.wikipedia.org/wiki/Matrix_(mathematics)|Matrix_(mathematics)]] | ||
| + | |||
| + | Mathematica: | ||
| + | [[https://reference.wolfram.com/language/guide/MatrixOperations.html|MatrixOperations]] | ||
| + | |||
| + | Idris: | ||
| + | [[https://github.com/idris-lang/Idris-dev/blob/master/libs/contrib/Data/Matrix.idr|contrib/Data/Matrix.idr]] | ||
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