19 lines
272 B
Text
19 lines
272 B
Text
: a=1,1,1,0\1,1,0,1\1,0,1,1\0,1,1,1
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: a
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[symmetric]
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1 2 3 4
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+-----------------+
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1 | 1 |
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2 | 1 1 |
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3 | 1 0 1 |
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4 | 0 1 1 1 |
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+-----------------+
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: det(a)
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-3
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: sumrec(a,-1)
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-3
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: sumrec(a,1)
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9
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