- negative semidefiniteness
- мат.отрицательная полуопределенность
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Positive-definite matrix — In linear algebra, a positive definite matrix is a matrix that in many ways is analogous to a positive real number. The notion is closely related to a positive definite symmetric bilinear form (or a sesquilinear form in the complex case). The… … Wikipedia