Courant–Friedrichs–Lewy condition

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Revision as of 10:59, 26 August 2012

It is an important stability criterion for hyperbolic equations.

In common case it's written as

$C=c\frac{\Delta t}{\Delta x} \leq 1$

(2)

where C is called the Courant number

Courant, R., K. O. Fredrichs, and H. Lewy (1928), "Uber die Differenzengleichungen der Mathematischen Physik", Math. Ann, vol.100, p.32, 1928.

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	where C is called the ''Courant number''		where C is called the ''Courant number''
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		+	{{reference-paper \| author=Courant, R., K. O. Fredrichs, and H. Lewy \| year=1928 \| title=Uber die Differenzengleichungen der Mathematischen Physik \| rest=Math. Ann, vol.100, p.32, 1928}}