Advanced Integration-Tabular Method

  • Context: Undergrad 
  • Thread starter Thread starter BurgooKing
  • Start date Start date
  • Tags Tags
    advanced Method
Click For Summary
SUMMARY

The "Advanced" Integration-Tabular Method is a systematic technique for performing integration by parts multiple times, particularly useful when dealing with integrals involving polynomials and easily integrable functions. Key examples include integrals such as \int e^{-s t}\cos(a t) \text{ dt}, \int (x^2+3x+1)\sin(t) \text{ dt}, and \int t^7 e^{-t} \text{ dt}. A critical point to note is that if the original integral reappears during the process, one should stop and solve for it. This method is particularly effective when p(x)f(x) is involved, where f(x) is simple to integrate and p(x) is a polynomial.

PREREQUISITES
  • Understanding of integration techniques, specifically integration by parts
  • Familiarity with polynomial functions and their properties
  • Knowledge of exponential and trigonometric functions
  • Basic calculus concepts, including limits and derivatives
NEXT STEPS
  • Study the application of the Integration-Tabular Method in various integral scenarios
  • Explore advanced integration techniques, including integration by parts and reduction formulas
  • Learn about cyclic integrals and strategies to handle them
  • Practice solving complex integrals using the Integration-Tabular Method with different functions
USEFUL FOR

Mathematicians, calculus students, and educators looking to deepen their understanding of advanced integration techniques, particularly those involving integration by parts and polynomial functions.

BurgooKing
Messages
1
Reaction score
0
"Advanced" Integration-Tabular Method

When cannot I not use this method?
If the integral is cyclic is there a way to get around it?
Any other information would be nice
Thanks
 
Physics news on Phys.org


Tabular integration is just a systematic way to integrate by parts multiple times. If the original integral reappears (without all other terms having canceled) you can stop and solve for it. A useful case is if p(x)f(x) where f is easy to integrate and p(x) is a polynomial so it will become zero after some number of differentiations.

Usual examples include

[tex]\int e^{-s t}\cos(a t) \text{ dt}[/tex]
[tex]\int (x^2+3x+1)\sin(t) \text{ dt}[/tex]
[tex]\int t^7 e^{-t} \text{ dt}[/tex]
 


Note that you should be careful when the original integral reappears. Try integrating 1/x using integration by parts, with u = 1/x and dv=dx
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
5K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 11 ·
Replies
11
Views
3K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 1 ·
Replies
1
Views
5K
  • · Replies 1 ·
Replies
1
Views
2K