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symmdiff - set symmetric difference

Calling Sequence

symmdiff(s1, s2, s3,...)

Parameters

s1, s2, s3, ...

-

sets or expressions

Description

• 

The procedure symmdiff is used for the set symmetric difference operator, which is defined by symmdiff(a,b)=(a union b) minus (a intersect b), for two arguments and associates to the left for more arguments.

Examples

symmdiffa,b

a,b

(1)

symmdiffa,b,b,c

a,c

(2)

symmdiffa,b,a,b

(3)

symmdiff1,2,3,4,2,4,5,6,3,4,5,7

1,4,6,7

(4)

symmdiff1,2,3,4,2,4,5,6

1,3,5,6

(5)

symmdiff1,3,5,6,3,4,5,7

1,4,6,7

(6)

symmdiff1,3,4,5,3,5,2,4,5,3,4,5,2,4,5

1,3,5

(7)

See Also

intersect, minus, union


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