I formed my matrix A from, A = random_matrix(QQ, 6, algorithm='echelonizable', rank=6, upper_bound=9), I then changed the ring to RDF (A.change_ring(RDF)) , I further obtain my SVD matrix (U, S, V = B.SVD()). How do i find the inverse of A using SVD

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I formed my matrix A from, A = random_matrix(QQ, 6, algorithm='echelonizable', rank=6, upper_bound=9), I then changed the ring to RDF (A.change_ring(RDF)) , I further obtain my SVD matrix (U, S, V = B.SVD()). How do i find the inverse of A using SVD

I formed my matrix ~~A ~~$A$ from, `A = random_matrix(QQ, 6, algorithm='echelonizable', rank=6, `

, I then changed the ring to RDF ~~upper_bound=9), ~~upper_bound=9)~~(A.change_ring(RDF)) ~~(`A.change_ring(RDF)`

) , I further obtain my SVD matrix ~~(U, ~~(`U, `

`S, V = `

). How do i find the inverse of A using SVD~~B.SVD()). ~~B.SVD()

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