Linear and multilinear algebra; matrix theory Matrices and matrix algebra Concept
Hadamard product
Summary
The Hadamard product of two matrices of the same size is the matrix of the products of their corresponding entries. It is also called the entrywise product or the Schur product. Unlike ordinary matrix multiplication, it is commutative. The Schur product theorem says that it keeps positive semidefinite matrices positive semidefinite.
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| Tag | SQT6QCEXZ8 |
|---|---|
| URI | m2://SQT6QCEXZ8 |
| Kind | concept |
| Writing | W0 stub |
| MSC | 15A99, 15B48 |
| Same as | |
| Changed | 2 November 2026 |
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