range - range (span) of A^k

Calling Sequence

[X,dim]=range(A,k)

Parameters

• A : real square matrix
• k : integer
• X : non-singular real matrix
• dim : integer (dimension of subspace)

Description

Computation of Range A^k ; the first dim columns of X span the range of A^k .

See Also

fullrfk ,   rowcomp ,  

Author

F. D.; ;