Appendix.

Table of Contents

• 1 Theorems, Detailed explanations
  • 1.1 Parzeval theorem
  • 1.2 Response function in general case
  • 1.3 Deriving of Duhamel Theorem
• 2 Solution of problems
  • 2.1 S1.
  • 2.2 S2.
  • 2.3 S3.
  • 2.4 S4.
  • 2.5 S5.
  • 2.6 S6.
  • 2.7 S7.
  • 2.8 S8.
  • 2.9 S9.
  • 2.10 S10.
  • 2.11 S11.

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