As initial value of a new map expression with ()+-/* operators can be given. These operators work on numbers, or on maps. If maps are given, then the new value for a given graph element will be calculated using the value from the given maps that belong to that graph element.
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6 -- LEMON Development Team <etik-ol@cs.elte.hu>, Tue, 14 Jun 2005 08:29:34 +0200