HP (Hewlett-Packard) 50g ユーザーズマニュアル

Page 11-8

Function ABS calculates what is known as the Frobenius norm of a matrix.  For a 
matrix A = [a

ij

]

m

×n

, the Frobenius norm of the matrix is defined as

If the matrix under consideration in a row vector or a column vector, then the 
Frobenius norm , ||A||

F

 , is simply the vector’s magnitude.  Function ABS is 

accessible directly in the keyboard as 

„Ê.

Try the following exercises in ALG mode (using the matrices stored earlier for 
matrix operations):

     

Function SNRM calculates the Spectral NoRM of a matrix, which is defined as 
the matrix’s largest singular value, also known as the Euclidean norm of the 
matrix.   For example, 

∑∑

=

=

=

n

i

m

j

ij

F

a

A

1

1

2