1
$\begingroup$

How to evaluate $\int_t^\infty e^{-sx}f(x)dx$ using laplace transform properties?

  • 1
    @Litum: Do you have any information about $t$?2012-10-10
  • 0
    Do you mean you want to express that integral in terms of the laplace transform of $f$?2012-10-10
  • 0
    @fgp: I think if $t$ be the period of $f(x)$ then we could write some calculations.2012-10-10
  • 0
    @BabakSorouh Who says that $f$ is periodic? It think what you might be looking for is the relationship between the laplace transform of $f$ and that of $f$ shifted by $t$.2012-10-10
  • 0
    @fgp: Nobody says. It seems that we can only find a relationship between the laplace transform of f and ...as you noted. Doesn't it?2012-10-10
  • 0
    $t$ is not the period of $f$ it is just the argument.2012-10-12

2 Answers 2