- E28
[1SD] Define \(f(x) = e^{π x}\), note that
\[ [p(D) f ](x) = p(π) f(x) \quad . \]We can therefore consider exponentials \(e^{π x}\) as eigenvectors of \(p(D)\), with eigenvalue \(p(π)\).
EDB β 1SD
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Authors:
"Mennucci , Andrea C. G."
.
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