identity matrix

Noun

Meaning

a scalar matrix in which all of the diagonal elements are unity

Source: WordNet

Synonyms

Hypernyms

Examples

An alternative decomposition is into completely polarized (zero determinant) and unpolarized (scaled identity matrix) components. Source: Internet

Now it is straightforward to verify closure, associativity, and inclusion of identity (the identity matrix ) and inverses. Source: Internet

In order to construct such an equiangular system, we start with this 6 × 6 square matrix : : A straightforward computation yields (where I is the 6 × 6 identity matrix). Source: Internet

Examples *The identity matrix is positive definite. Source: Internet

However, every identity matrix with at least two rows and columns has an infinitude of symmetric square roots. Source: Internet

In the case of non-birefringent materials, however, the 2×2 Jones matrix is the identity matrix (multiplied by a scalar phase factor and attenuation factor), implying no change in polarization during propagation. Source: Internet

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