Show that: For any f E C(R/Z; C), the If (n)|² is absolutelyn%3-0∞convergent, and|| FI} = E If (n)?n=-00

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Advanced Math

Show that: For any f E C(R/Z; C), the If (n)|² is absolutely convergent, and n=-00

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Show that: For any f E C(R/Z; C), the If (n)|² is absolutely
n%3-0∞
convergent, and
|| FI} = E If (n)?
n=-00

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