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SciMax Toolbox >> cardinality

cardinality

Maxima Function

Calling Sequence

cardinality (a)

Description

Returns the number of distinct elements of the set a.

cardinality ignores redundant elements even when simplification is disabled.

Examples:

(%i1) cardinality ({});
(%o1)                           0
(%i2) cardinality ({a, a, b, c});
(%o2)                           3
(%i3) simp : false;
(%o3)                         false
(%i4) cardinality ({a, a, b, c});
(%o4)                           3
canten SciMax Toolbox carg