Inverse Laplace transform Help

In summary, The conversation was about finding the inverse Laplace transform of 1/(4s+1). The person was struggling to solve it and asked for help. They were advised to divide by 4 and use LaTeX to show their work. The final solution is 1/4 * e^(1/4t).
  • #1
Icy950
2
0
I couldn't figure the sol'n for this problem
Could somebody help?
Thanks a lot

Find the following Inverse Laplace transform

(L^(-1))*[1/(4s+1)]:frown:
 
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  • #2
Icy950 said:
I couldn't figure the sol'n for this problem
Could somebody help?
Thanks a lot

Find the following Inverse Laplace transform

(L^(-1))*[1/(4s+1)]:frown:

That's almost direct from a table...

or are you doing these by hand?
 
  • #3
I'm trying to do this by hand
Hopefully I can get some help
Thanks a lot
 
  • #4
Well you will definitely need to show some work.

Also, you should check out LaTeX in the tutorial section. Then you can show your work as:

[tex] \frac{1}{4s+1} [/tex]
 
  • #5
It might be easier for you to see the solution if you first divide everything by 4:

[tex]\frac{1/4}{s+1/4}[/tex]

Now it should be clear that:

[tex]L^{-1}(\frac{1/4}{s+1/4}) = \frac{1}{4}e^{\frac{1}{4}t}[/tex]
 

Related to Inverse Laplace transform Help

1. What is an inverse Laplace transform?

An inverse Laplace transform is a mathematical operation that is used to find the original function from its Laplace transform. It is the reverse process of taking the Laplace transform.

2. Why is the inverse Laplace transform important?

The inverse Laplace transform is important because it allows us to solve differential equations and other mathematical problems that cannot be solved using conventional methods. It also helps us understand the behavior of systems and signals in the time domain.

3. How do I perform an inverse Laplace transform?

To perform an inverse Laplace transform, you first need to have the Laplace transform of the function. Then, you can use tables, formulas, or numerical methods to find the inverse transform. It is important to note that not all functions have an inverse Laplace transform.

4. What are the common techniques used for finding the inverse Laplace transform?

The most common techniques used for finding the inverse Laplace transform include partial fraction decomposition, convolution, and contour integration. These methods can be used individually or in combination depending on the complexity of the function.

5. Are there any applications of the inverse Laplace transform?

Yes, the inverse Laplace transform has many applications in various fields such as engineering, physics, and mathematics. It is used to analyze systems and signals in the time domain, solve differential equations, and model real-world phenomena. It is also used in the design and analysis of control systems.

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