Positive definiteness
Encyclopedia
Positive definiteness is a property of the following mathematical objects:
- Positive-definite bilinear formDefinite bilinear formIn mathematics, a definite bilinear form is a bilinear form B over some vector space V such that the associated quadratic formQ=B \,...
- Positive-definite matrixPositive-definite matrixIn 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 ....
- Positive-definite function
- Positive-definite kernel
- Positive-definite function on a group