单词 | Hessian |
释义 | Hessian [`hesh·ǝn] MATHEMATICS For a function f (x1, . . ., xn ) of n real variables, the real-valued function of (x1, . . ., xn ) given by the determinant of the matrix with entry ∂2f / ∂xi∂xj in the i th row and j th column; used for analyzing critical points. |
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