Fourier transform of a derivative
= Fourier transform of a derivative
{c}
For the angular-frequency convention and sufficient decay,
$$
\widehat{f'}(k)=ik\widehat f(k).
$$
= Fourier transform of a derivative
{c}
For the angular-frequency convention and sufficient decay,
$$
\widehat{f'}(k)=ik\widehat f(k).
$$