type/listlist - Maple Programming Help

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type/listlist

Check for a list of lists

 

Calling Sequence

Parameters

Description

Supertypes

Examples

Calling Sequence

type(expr, listlist)

type(expr, listlist(K))

Parameters

expr

-

any expression

K

-

type name

Description

• 

The function type/listlist returns true if expr is a nonempty list of lists, with each inner list having the same number of elements. Otherwise, it returns false.

• 

If a type is given, then an additional check will be made to ensure that all the operands of the inner lists are of the given type.

Supertypes

• 

type/nonemptylist

Examples

type,'listlist'

false

(1)

type1,2,3,4,'listlist'

true

(2)

type1,2,3,4,'listlistinteger'

true

(3)

type8,7,6,12,'listlist'

false

(4)

type1,2,3,4,5,'listlist'

false

(5)

type,'listlist'

true

(6)

typea,b,c,d,'listlist'

true

(7)

typea,b,c,d,'listlistinteger'

false

(8)

See Also

convert/list

list

type

type/list

type/Matrix