determine the dimension of a Matrix or a Vector - Maple Help

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Student[LinearAlgebra][Dimension] - determine the dimension of a Matrix or a Vector

Student[LinearAlgebra][ColumnDimension] - determine the column dimension of a Matrix

Student[LinearAlgebra][RowDimension] - determine the row dimension of a Matrix

Calling Sequence

Dimension(A)

RowDimension(A)

ColumnDimension(A)

Parameters

A

-

Matrix or Vector

Description

• 

The Dimension(A) command, where A is a Vector, returns the number of elements in A.  If A is a Matrix, two non-negative integers representing the row dimension  and the column dimension of A, respectively, are returned.

  

Dimensions(A) is an alternate form for Dimension(A).

• 

The ColumnDimension(A) command, where A is a Matrix, returns the number of columns in A.

• 

The RowDimension(A) command, where A is a Matrix, returns the number of rows in A.

Examples

withStudent[LinearAlgebra]:

V:=x,y,z,w

V:=xyzw

(1)

DimensionV

4

(2)

A:=IdentityMatrix3,5

A:=100000100000100

(3)

rowdim:=RowDimensionA

rowdim:=3

(4)

coldim:=ColumnDimensionA

coldim:=5

(5)

m,n:=DimensionsA

m,n:=3,5

(6)

See Also

LinearAlgebra[Dimension], Student[LinearAlgebra]


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