Ranm; Ratio - HP 48gII Advanced User's Reference Manual

!Ø
Access:
!´
Flags: Singular Value (-54)
Input/Output:
See also: LQ, LSQ, QR

RANM

Type: Command
Description: Random Matrix Command: Returns a matrix of specified dimensions that contains random
integers in the range –9 through 9.
The probability of a particular nonzero digit occurring is 0.05; the probability of 0 occurring is
0.1.
!Ø
Access:
!´
Input/Output:
See also: RAND, RDZ

RATIO

Type: Function
Description: Prefix Divide Function: Prefix form of / (divide).
RATIO is identical to / (divide), except that, in algebraic syntax, RATIO is a prefix function,
while / is an infix function. For example, RATIO(A,2) is equivalent to A/2.
...µ
Access:
Input/Output:
See also: /
3-138 Full Command and Function Reference
L
OPERATIONS RANK
L
MATRIX NORMALIZE
Level 1/Argument 1
[[ matrix ]]
LL
CREATE RANM
MATRIX MAKE RANM
Level 1/Argument 1
{ m n }
[[ matrix ]]
RATIO
Level 2/Argument 1 Level 1/Argument 2
z
1
[ array ]
[ array ]
z
'symb'
'symb '
1
#n
1
n
1
#n
1
x_unit
1
x
x_unit
'symb'
x_unit
( Ø is the left-shift of the 5key).
( ´ is the left-shift of the Pkey).
RANK
( Ø is the left-shift of the 5key).
( ´ is the left-shift of the Pkey).
m×n
z
2
{[ matrix ]]
z
'symb'
z
'symb '
2
n
2
#n
2
#n
2
y_unit
2
y_unit
y
x_unit
'symb'
Level 1/Item 1
N
rank
Level 1/Item 1
[[ random matrix ]]
m×n
[[ random matrix ]]
m×n
Level 1/Item 1
z /z
1 2
[[ array × matrix ]]
–1
[ array/z ]
'z/symb'
'symb/z'
'symb /symb '
1 2
#n
3
#n
3
#n
3
(x/y)_unit /unit
1 2
(x/y)_1/unit
(x/y)_unit
'symb/x_unit'
'x_unit/symb'