Sharp EL-9900 Operation Manual page 136

Chapter 8: Matrix Features
03 cumul
04 augment(
05 identity
06 rnd_mat(
126
cumul matrix name
Returns the cumulative matrix.
Example
• Obtain the cumulative sum of mat A.
cumulative sum of a
+ + +
a a ...... a
i1 i2
augment( matrix name , matrix
name )
Appends the second matrix to
the first matrix as new columns. The first and second matrices
must have the same number of rows.
Example
• Create a new matrix with matrix A augmented by matrix B.
identity dimension value
Returns the identity matrix with specified value of rows and
columns.
Example
• Create the identity matrix of
×
3 rows 3 columns.
rnd_mat( number of row , number of column )
Returns a random matrix with specified values of rows and
columns.
Example
• Create a matrix of 2 rows
columns with generated
random values.
(when TAB = 2 and FSE =
"FIX" at SETUP menu)
=
ij
ij
×
3