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Involutory Matrix


A square matrix A such that A^2=I, where I is the identity matrix. An involutory matrix is its own matrix inverse.


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References

Ayres, F. Jr. Schaum's Outline of Theory and Problems of Matrices. New York: Schaum, p. 11, 1962.

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Involutory Matrix

Cite this as:

Weisstein, Eric W. "Involutory Matrix." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/InvolutoryMatrix.html

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