9: Contour Integration
Contour integration is a powerful technique, based on complex analysis, that allows us to solve certain integrals that are otherwise hard or impossible to solve. Contour integrals also have important applications in physics, particularly in the study of waves and oscillations.
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- 9.4: Using Contour Integration to Solve Definite Integrals
- The calculus of residues allows us to employ contour integration for solving definite integrals over the real domain. The trick is to convert the definite integral into a contour integral, and then solve the contour integral using the residue theorem.