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Student[LinearAlgebra]

  

Dimension

  

determine the dimension of a Matrix or a Vector

  

ColumnDimension

  

determine the column dimension of a Matrix

  

RowDimension

  

determine the row dimension of a Matrix

 

Calling Sequence

Parameters

Description

Examples

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]:

Vx,y,z,w

V:=xyzw

(1)

DimensionV

4

(2)

AIdentityMatrix3,5

A:=100000100000100

(3)

rowdimRowDimensionA

rowdim:=3

(4)

coldimColumnDimensionA

coldim:=5

(5)

m,nDimensionsA

m,n:=3,5

(6)

See Also

LinearAlgebra[Dimension]

Student[LinearAlgebra]

 


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