Laplace Transform to Solve a Diff. Eq. System spent hours on this one =*(

In summary, a Laplace Transform is a mathematical operation used to convert a function of time into a function of complex frequency, commonly used in engineering and physics to solve differential equations. It can be used to solve a differential equation system by transforming it into a system of algebraic equations, providing a more systematic approach to solving complex equations. However, the Laplace Transform has some limitations, such as only being applicable to linear differential equations and requiring knowledge of complex analysis. It is most commonly used for initial value problems, rather than boundary value problems.
  • #1
jjtx300
2
0

Homework Statement


[PLAIN]http://img710.imageshack.us/img710/3381/38442384.jpg

The Attempt at a Solution


[PLAIN]http://img695.imageshack.us/img695/6295/56987528.jpg

Thanks in advance,
JJ
 
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  • #2
Shouldn't you have [tex]s\textbf{I}-\textbf{A}=\begin{pmatrix}s+3 & -4 \\ 2 & s-3\end{pmatrix}[/itex] in your first step?
 
  • #3
oh my gosh... yes that's exactly what I did wrong. Thank you sooooooo much! It's amazing how some silly mistakes can just stop you in your tracks and drive you crazy some times.
 

1. What is a Laplace Transform?

A Laplace Transform is a mathematical operation used to convert a function of time into a function of complex frequency. It is commonly used in engineering and physics to solve differential equations.

2. How can a Laplace Transform be used to solve a differential equation system?

By taking the Laplace Transform of both sides of a differential equation system, it can be transformed into a system of algebraic equations. These algebraic equations can then be solved to find the solution to the original differential equation system.

3. What is the advantage of using a Laplace Transform to solve a differential equation system?

The Laplace Transform allows for the solution of complex differential equation systems that may be difficult or impossible to solve using traditional methods. It also provides a more systematic approach to solving differential equations.

4. Are there any limitations to using a Laplace Transform to solve a differential equation system?

One limitation is that the Laplace Transform can only be used for linear differential equations. It also requires knowledge of complex analysis and may be more time-consuming than other methods for simpler equations.

5. Can Laplace Transform be applied to any type of differential equation system?

No, the Laplace Transform is most commonly used for initial value problems, where the initial conditions are known. It may not be as effective for boundary value problems, where the boundary conditions are known.

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