Unitary matrix

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Community · Quantum logic gate

Summary

In linear algebra, an invertible complex square matrix U is unitary if its matrix inverse U−1 equals its conjugate transpose U*, that is, if

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mathematically represents the operation of a quantum circuit
Every quantum circuit corresponds to a unitary matrix that describes the evolution of the quantum state from input to output.
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mathematical representation of quantum logic gates
Quantum logic gates are mathematically represented as unitary matrices, which ensure that quantum operations are reversible and preserve the probability norm of the qubit state.
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