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Am 03.02.2012 14:11, schrieb Jed Brown:
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<div class="gmail_quote">On Fri, Feb 3, 2012 at 16:03, Thomas
Witkowski <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:thomas.witkowski@tu-dresden.de">thomas.witkowski@tu-dresden.de</a>></span>
wrote:<br>
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<div id=":2u8">The system writes<br>
<br>
L 0 M<br>
M L 0<br>
L M L<br>
<br>
With L = discrete laplace, M = mass matrix, 0 = empty
matrix</div>
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<div>Hmm, what are the relative scales of these equations?</div>
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Just for the test I remove all scalings (so no timestep-sizes or
other constants are multiplied). L and M are the standard matrices
discretized with linear FEMs on a 2D box (no local mesh adaptivity).<br>
<br>
Thomas<br>
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