Solve Simple Residue Question with Laplace Transforms | Limit as p->0

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In summary, a Laplace transform is a mathematical operation used in engineering and physics to solve differential equations and analyze systems in the frequency domain. It can also be used to solve simple residue questions and find the value of a function at a specific point in time. However, it may not always be the most efficient method and may not be applicable to certain types of problems.
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TDJHOLDER
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Hi guys,

I'm doing some Laplace transforms
Apologies for not typing this out very well I don't know LaTex...
where (1/p)((sinh(p^1/2)(1-x))/(sinh(p^1/2)))

I need to work out the residue at p=0...

It's been a while since I did this but you multiply through by p and then take the limit as p->0

I can't seem to work the last bit out as the bottom of the fraction becomes zero.

I'm guessing the residue is probably (1-x) but I don't know how to get there.

Thanks in advance.
 
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  • #2
Don't the hyperbolic sines just cancel?
 

What is a Laplace transform?

A Laplace transform is a mathematical operation that transforms a function of time into a function of complex frequency. It is commonly used in engineering and physics to solve differential equations and analyze systems in the frequency domain.

How do Laplace transforms solve simple residue questions?

Laplace transforms can be used to solve simple residue questions by converting the problem into the frequency domain and using the properties of Laplace transforms to simplify the calculation of residues.

What is the limit as p->0 in the context of Laplace transforms?

The limit as p->0 in the context of Laplace transforms refers to taking the inverse Laplace transform of a function using the residue theorem. This limit is used to find the value of a function at a particular point in time.

Can Laplace transforms be used for more complex problems?

Yes, Laplace transforms can be used to solve more complex problems such as partial differential equations, integral equations, and systems of differential equations. However, the calculations may become more involved and may require the use of additional techniques.

Are there any limitations to using Laplace transforms?

While Laplace transforms are a powerful tool for solving differential equations, they may not always be the most efficient method. In some cases, it may be more practical to use other techniques such as numerical methods or series solutions. Additionally, Laplace transforms may not be applicable to problems with discontinuous or singular functions.

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