Question

laplace transform:

L{f(t)}? = -1, 0<=t<1
0, 1<=t<3
1, t>=3

Answer 1

Piecewise Function?

Answer 2

\[\int _0^1-1 e^{-s t}dt\text{ }+ \int _1^30 * e^{-s t}dt +\int _3^{\infty }1 e^{-s t}dt\]

Answer 3

I got \[\frac{e^{-3 s}}{s}+\frac{-1+e^{-s}}{s}\]

not sure if that's right though

Answer 4

your answer spark something..haha..i'm trying too..hopefully its the same!..tx..:)

Answer 5

yes, that's what I got using computer too

Answer 6

i couldnt get the -1/s

Answer 7

haha...got it!..tx a lot!..:)

Answer 8

great, btw what class is it for?

Answer 9

differential equation. :)

Answer 10

me too, have you done fourier series yet?

Answer 11

done. its the final chpter in this subjct, btw im having final paper on ODE this coming wednesday..:X

Answer 12

good luck

Answer 13

tx again.