"superdiagonal" meaning in All languages combined

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  "etymology_text": "From super- + diagonal.",
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          "text": "We classify all free spectrahedra that are circular, that is, closed under multiplication by exp(i t): up to unitary equivalence, the coefficients of a minimal LMI defining a circular free spectrahedron have a common block decomposition in which the only nonzero blocks are on the superdiagonal.",
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        "The diagonal of a matrix that lies directly above and to the right of the main diagonal."
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        "(mathematics) The diagonal of a matrix that lies directly above and to the right of the main diagonal."
      ],
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  "word": "superdiagonal"
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  "etymology_text": "From super- + diagonal.",
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        "(mathematics) The diagonal of a matrix that lies directly above and to the right of the main diagonal."
      ],
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