17.01.2014 Views

Institut für Allgemeine Elektrotechnik, Uni Rostock - Universität ...

Institut für Allgemeine Elektrotechnik, Uni Rostock - Universität ...

Institut für Allgemeine Elektrotechnik, Uni Rostock - Universität ...

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Central Difference Quotient<br />

In the loss-free case ( = <br />

Mσ 0) and allocating h in t + 0<br />

m ⋅Δ t,<br />

⎛ 1 ⎞<br />

e in t0<br />

+ ⎜m+ t the leap-frog scheme results from the central<br />

2<br />

⎟⋅Δ<br />

⎝ ⎠<br />

difference quotient which we will study now as single step scheme:<br />

d ⎛ 0 A12<br />

⎞<br />

y = ⎜ ⎟ y+<br />

q<br />

dt ⎝A21<br />

0 ⎠<br />

−1<br />

with A12 =− M −1<br />

C,<br />

A<br />

µ<br />

21<br />

= Mε<br />

C<br />

<br />

⎛h⎞<br />

⎛ 0 ⎞<br />

and the vectors y = ⎜<br />

⎟, q=⎜ <br />

.<br />

⎜ −1<br />

⎝e⎠ − ⎟<br />

⎝ Mε<br />

jS<br />

⎠<br />

Prof. Dr. Ursula van Rienen, <strong>Uni</strong>versität <strong>Rostock</strong>, Fakultät <strong>für</strong> Informatik und <strong>Elektrotechnik</strong> (IEF), <strong>Institut</strong> <strong>für</strong> <strong>Allgemeine</strong> <strong>Elektrotechnik</strong> (IAE)<br />

20

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!