MultiSet Selection - Maple Programming Help

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MultiSet Selection

get or set the multiplicity of an element of a MultiSet

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

M[x]

M[x] := n;

Parameters

M

-

MultiSet; a MultiSet

x

-

anything, an expression

n

-

numeric, the new multiplicity of x in M

Description

• 

M[x] returns the multiplicity of the member x of the MultiSet M.

• 

M[x] := n sets the multiplicity of x in M to n.  Note that this is different from Insert( M, x=n ), which increases the multiplicity of x in M by n.

• 

Note M[x] := 0 is equivalent to Remove( M, x ).

• 

If M is a generalized MultiSet, n may be any real number.  Otherwise, it must be a non-negative integer.

Examples

MMultiSeta=2,b=5

Ma,2,b,5

(1)

Ma

2

(2)

Mb7

Mb7

(3)

Ma0

Ma0

(4)

Mc4

Mc4

(5)

M

b,7,c,4

(6)

NMultiSet[generalized]

N

(7)

Nw3.14159

Nw3.14159

(8)

N

w,3.14159

(9)

See Also

MultiSet

MultiSet/Insert

MultiSet/Remove

 


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