Reference Guide

3-206 Full Command and Function Reference
See also: TRNC
RNRM
Type: Command
Description: Row Norm Command: Returns the row norm (infinity norm) of its argument array.
The row norm is the maximum (over all rows) of the sums of the absolute values of all elements
in each row. For a vector, the row norm is the largest absolute value of any of its elements.
Access: !Ø OPERATIONS L RNRM ( Ø is the left-shift of the 5key).
!´ MATRIX NORMALIZE RNRM ( ´ is the left-shift of the Pkey).
Input/Output:
Level 1/Argument 1 Level 1/Item 1
[ array ]
→
x
row norm
See also: CNRM, CROSS, DET, DOT
ROLL
Type: RPL command
Description: Roll Objects Command: Moves the contents of a specified level to level 1, and rolls upwards the
portion of the stack beneath the specified level.
In RPN mode, 3 ROLL is equivalent to ROT.
Access: !° STACK L ROLL ( °is the left-shift of the Nkey).
Input/Output:
L
n+1
... L
2
L
1
L
n
... L
2
L
1
obj
n
... obj
1
n
→
obj
n–1
... obj
1
obj
n
L = Level
See also: OVER, PICK, ROLLD, ROT, SWAP
ROLLD
Type: RPL command
Description: Roll Down Command: Moves the contents of level 2 to a specified level, n, and rolls downward
the portion of the stack beneath the specified level.
Access: !° STACK L ROLLD ( °is the left-shift of the Nkey).
Input/Output:
L
n+1
... L
2
L
1
L
n
L
n–1
... L
1
obj
n
... obj
2
n (obj
1
)
→
obj
1
obj
n
... obj
2
L = Level
See also: OVER, PICK, ROLL, ROT, SWAP
ROMUPLOAD
Type: Command
Description: This command remains from earlier HP graphing calculators and should not be used. It was used
to transfer the ROM from one HP 49G to another.
Access: …µ ROMUPLOAD