blockdiagonalmatrixpositivedefinite

由 RA Horn 著作 · 1992 · 被引用 57 次 — becomes positive definite when each block is compressed to a single entry. The other factor has positive definite main diagonal blocks. This situation was ...

2013年10月2日 — Positive definite matrices with Hermitian blocks (not necessarily psd as in the OP), arise in quantum information theory and related areas.

... block diagonal matrix, which is positive definite when its diagonal blocks are postive definite. Therefore, C is positive definite if and only if both A and ...

This function is a constructor for the pdBlocked class, representing a positive-definite block-diagonal matrix. Each block-diagonal element of the underlying ...

2018年4月27日 — Check if a large matrix containing positive definite block diagonal matrices is positive definite. 0 · Block symmetric matrix · 1 · determinant ...

2012年11月26日 — EDIT: A matrix is positive definite if it has positive eigenvalues. You already know that B, C, and D ...

This function is a constructor for the pdBlocked class, representing a positive-definite block-diagonal matrix. Each block-diagonal element of the underlying ...

由 J Gallier 著作 · 2019 · 被引用 139 次 — But, a block diagonal matrix is positive definite iff each diagonal block is positive definite, which concludes the proof. (2) This is because ...

由 JC Bourin 著作 · 2023 — We establish a sharp inequality between the blocks of positive partitioned matrices and conjecture a triangle type inequality for contractions: ...