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linalg(deprecated)

  

iszero

  

determine whether a matrix is zero

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

iszero(A)

Parameters

A

-

matrix

Description

• 

Important: The linalg package has been deprecated. Use the superseding packages, LinearAlgebra and VectorCalculus, instead.

  

- For information on migrating linalg code to the new packages, see examples/LinearAlgebraMigration.

• 

The call iszero(A) returns true if all of the entries of matrix A are zero, false or an error otherwise.

• 

The command with(linalg,iszero) allows the use of the abbreviated form of this command.

Examples

Important: The linalg package has been deprecated. Use the superseding packages, LinearAlgebra and VectorCalculus, instead.

withlinalg:

Aarray2,1,1,2

A2112

(1)

iszerosubsx=A,charpolyA,x

true

(2)

Amatrix3,3,1,0,0,0,0,0,0,0,0

A100000000

(3)

iszeroA

false

(4)

See Also

linalg(deprecated)[equal]

LinearAlgebra