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Ingy döt Net 2023-07-01 11:58:00 -04:00
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commit cb5bb5e222
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8
Task/Arrays/Stata/arrays-1.stata Normal file
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matrix a = 2,9,4\7,5,3\6,1,8
display det(a)
matrix svd u d v = a
matrix b = u*diag(d)*v'
matrix list b
* store the u and v matrices in the current dataset
svmat u
svmat v

7
Task/Arrays/Stata/arrays-2.stata Normal file
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mata
a = 2,9,4\7,5,3\6,1,8
det(a)
svd(a, u=., s=., v=.)
// Notice that to reconstruct the matrix, v is not transposed here,
// while it is with -matrix svd- in Stata.
u*diag(s)*v