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Quantum logic gate
Index
Mathematics
Fields of mathematics
Applied mathematics
Theoretical computer science
Quantum information science
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1970-01-01
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Quantum information science
Theoretical computer science
Applied mathematics
Fields of mathematics
Mathematics
Index
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Quantum logic gate
by
Ciro Santilli
35
Updated
2025-04-18
+
Created
1970-01-01
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At
Section "Quantum computing is just matrix multiplication"
we
saw that making
a
quantum circuit
actually comes down to designing one big
unitary matrix
.
We
have to say though that that was
a
bit
of
a
lie.
Quantum
programmers normally don'
t
just produce those big
matrices
manually from scratch.
Instead, they use
quantum logic gates
.
The following are the main
reasons
for that:
Section "Quantum logic gates are needed because you can't compute the matrix explicitly as it grows exponentially"
Section "Quantum logic gates are needed for physical implementation"
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