Hermitian

Hermitian[{1,2}]

represents the symmetry of a Hermitian matrix.

Details

  • A Hermitian matrix is also known as a self-adjoint matrix.
  • A square matrix m is Hermitian if ConjugateTranspose[m]m.

Examples

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Basic Examples  (2)

This matrix is Hermitian:

Find conditions for which a matrix is Hermitian:

Scope  (2)

Use Hermitian[] as a symmetry for matrix domains:

Use the specification to simplify symbolic matrix expressions:

Symmetrize matrices with respect to Hermitian symmetry:

Applications  (2)

Take a 3×3 matrix of complexes:

It is not a Hermitian matrix:

Compute its Hermitian part:

Find the Hermitian matrix with minimum 2-norm (largest singular value) such that the matrix is positive semidefinite:

Properties & Relations  (2)

Hermitian[slots] for an array of real entries automatically converts into Symmetric[slots]:

The diagonal elements of a Hermitian matrix are real:

Wolfram Research (2020), Hermitian, Wolfram Language function, https://reference.wolfram.com/language/ref/Hermitian.html.

Text

Wolfram Research (2020), Hermitian, Wolfram Language function, https://reference.wolfram.com/language/ref/Hermitian.html.

BibTeX

@misc{reference.wolfram_2021_hermitian, author="Wolfram Research", title="{Hermitian}", year="2020", howpublished="\url{https://reference.wolfram.com/language/ref/Hermitian.html}", note=[Accessed: 30-November-2021 ]}

BibLaTeX

@online{reference.wolfram_2021_hermitian, organization={Wolfram Research}, title={Hermitian}, year={2020}, url={https://reference.wolfram.com/language/ref/Hermitian.html}, note=[Accessed: 30-November-2021 ]}

CMS

Wolfram Language. 2020. "Hermitian." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Hermitian.html.

APA

Wolfram Language. (2020). Hermitian. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Hermitian.html