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LOG(P)
7.12.23 Natural logarithm operation on floating-point data
(Single precision) (LOG(P))
LOG(P)
*2: Applicable for the Universal model QCPU only.
Function
(1) Returns the natural logarithm of the value designated by taking (e) as base, and stores
operation results at device designated by .
(2) Only positive values can be designated by . (Operation cannot be performed on negative
numbers.)
Basic model QCPU: The upper five digits of the serial No. are "04122" or larger.
: Data of which the natural logarithm is obtained or head number of the devices where the data is stored
(real number)
: Head number of the devices where the operation result will be stored (real number)
Settiing
Data
Internal Devices R, ZR J\ U\G Zn Constants
EOther
Bit Word Bit Word
–– –– *2 ––
–– –– *2 –– ––
Process
High
performance
Redundant
Universal
Ver.
Basic
Command
Command
LOGP
LOG
LOGP
LOG SD
S D
S
D
S
D
S
D
32-bit floating-point
real number
( )
32-bit floating-point
real number
+1 +1
S DS D
log
S