Unknown Inverse Laplace Transform

Click For Summary
SUMMARY

The discussion centers on finding the inverse Laplace transform of the function 1/((s + 4)(s + 4)(s + 8)). The user initially struggled to locate this transform in standard Laplace pair tables but successfully resolved the issue using repeated partial fraction expansion. The specific decomposition used was 1/((s + 4)^2(s + 8)) = A/(s + 4) + B/(s + 4)^2 + C/(s + 8), which allowed for the calculation of the inverse transform.

PREREQUISITES
  • Understanding of Laplace transforms and their properties
  • Familiarity with partial fraction decomposition techniques
  • Knowledge of inverse Laplace transform methods
  • Basic calculus and algebra skills
NEXT STEPS
  • Study the method of partial fraction decomposition in detail
  • Learn about the properties of inverse Laplace transforms
  • Explore advanced Laplace transform tables for complex functions
  • Investigate applications of inverse Laplace transforms in differential equations
USEFUL FOR

Students and professionals in engineering, mathematics, and physics who are working with Laplace transforms, particularly those involved in solving differential equations or control systems analysis.

MathsDude69
Messages
25
Reaction score
0
Hey Guys.

Im trying to find an inverse laplace transform for fraction in the laplace domain but can't find it in any of my laplace pair tables. The fraction is:

1/(s + 4)(s + 4)(s + 8)

Does anybody have any suggestions?
 
Physics news on Phys.org
its ok I've solved it using repeated partial fraction expansion. woop woop
 
Why "repeated"?

\frac{1}{(s+4)^2(s+8)}= \frac{A}{s+4}+ \frac{B}{(s+4)^2}+ \frac{C}{s+ 8}
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 17 ·
Replies
17
Views
4K
  • · Replies 5 ·
Replies
5
Views
5K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
Replies
1
Views
2K