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Task/Array-concatenation/Stata/array-concatenation-1.stata
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38
Task/Array-concatenation/Stata/array-concatenation-1.stata
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. matrix a=2,9,4\7,5,3\6,1,8
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. matrix list a
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a[3,3]
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c1 c2 c3
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r1 2 9 4
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r2 7 5 3
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r3 6 1 8
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. matrix b=I(3)
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. matrix list b
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symmetric b[3,3]
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c1 c2 c3
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r1 1
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r2 0 1
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r3 0 0 1
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. matrix c=a,b
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. matrix list c
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c[3,6]
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c1 c2 c3 c1 c2 c3
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r1 2 9 4 1 0 0
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r2 7 5 3 0 1 0
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r3 6 1 8 0 0 1
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. matrix c=a\b
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. matrix list c
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c[6,3]
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c1 c2 c3
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r1 2 9 4
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r2 7 5 3
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r3 6 1 8
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r1 1 0 0
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r2 0 1 0
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r3 0 0 1
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Task/Array-concatenation/Stata/array-concatenation-2.stata
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Task/Array-concatenation/Stata/array-concatenation-2.stata
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. mata
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: a=2,9,4\7,5,3\6,1,8
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: b=I(3)
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: a,b
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1 2 3 4 5 6
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+-------------------------+
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1 | 2 9 4 1 0 0 |
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2 | 7 5 3 0 1 0 |
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3 | 6 1 8 0 0 1 |
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+-------------------------+
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: a\b
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1 2 3
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+-------------+
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1 | 2 9 4 |
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2 | 7 5 3 |
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3 | 6 1 8 |
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4 | 1 0 0 |
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5 | 0 1 0 |
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6 | 0 0 1 |
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+-------------+
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: end
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