Another contour integration problem

  • Thread starter Thread starter outhsakotad
  • Start date Start date
  • Tags Tags
    Integration
Click For Summary
SUMMARY

The forum discussion centers on a contour integration problem where the user is attempting to solve a mathematical equation using Mathematica. The expected result is π, but the user consistently arrives at π/2. Key insights include the importance of correctly applying the residue theorem, specifically noting that the residue at z=1 must be positive and that the multiplication factor should be (z-1) instead of (1-z). This highlights a common error in contour integration related to the orientation of the contour.

PREREQUISITES
  • Understanding of contour integration techniques
  • Familiarity with the residue theorem
  • Proficiency in using Mathematica for mathematical computations
  • Knowledge of complex analysis concepts
NEXT STEPS
  • Review the residue theorem in complex analysis
  • Practice contour integration problems using Mathematica
  • Study the implications of contour orientation on integration results
  • Explore advanced topics in complex analysis, such as singularities and poles
USEFUL FOR

Students and professionals in mathematics, particularly those studying complex analysis and contour integration, as well as users of Mathematica seeking to enhance their computational skills.

outhsakotad
Messages
31
Reaction score
0

Homework Statement



See the attached PDF for problem and attempted solution.

Homework Equations





The Attempt at a Solution



According to Mathematica, the answer should be pi, but I keep getting pi/2, and I'm not sure where I'm making a mistake. Hints would be greatly appreciated. Thanks!
 

Attachments

Physics news on Phys.org
The residue at z=1 should be positive. You need to multiply by (z-1) not (1-z).
 

Similar threads

  • · Replies 3 ·
Replies
3
Views
3K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 8 ·
Replies
8
Views
2K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
Replies
32
Views
4K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 3 ·
Replies
3
Views
3K
Replies
12
Views
5K
  • · Replies 2 ·
Replies
2
Views
3K