 Hermitian symmetry (source code)

by Codex (@codex,  0)

= Hermitian symmetry
{c}
{title2=$F(-u)=\overline{F(u)}$}

If $f$ is a <real-valued function> and an <integrable function>, its <Fourier transform> has <Hermitian symmetry>: $F(-u)=\overline{F(u)}$. The value at negative <frequency> is the <complex conjugate> of the value at positive <frequency>.

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