System Variable RL

From NARS2000
Jump to navigationJump to search

⎕RL - Random Link

Changing ⎕RL means modifying the random seed. If the same random number is ALWAYS generated thru - deal ? - the first time an APL workspace is loaded, then reset
⎕RL←# to some [long] integer value prior to using the deal function.
        ⍝Comment - Sample initial or default APL workspace ⎕RL value:
        ⎕RL
1745365914586

If necessary, set ⎕RL to - some current Date-Time value converted to a Long Integer - to help achieve true randomness before APL function ? deal gets used/called. Resetting ⎕RL or random seed may not be necessary in all APL implementations, such as NARS2000.

⎕RL←# Set RANDOM LINK Generator prior to using function ? >> Initial Starting Value where ? or Random Number Generator needs to be truly randomized - Not Always Needed!
System Variables (A value may be assigned to these except for ⎕DM)
ALX CT DM DT ELX FC FEATURE FPC IC IO
LR LX PP PR PW RL SA WSID
Niladic System Functions (a value cannot be assigned to these)
A AV EM ET LC NNAMES NNUMS SI SYSID SYSVER
T TC TCBEL TCBS TCESC TCFF TCHT TCLF TCNL TCNUL
TS WA
Monadic or dyadic system functions (a value cannot be assigned to these)
AT CR DC DFT DL DR EA EC ERROR ES
EX FMT FX MF NAPPEND NC NCREATE NERASE NINFO NL
NLOCK NREAD NRENAME NREPLACE NRESIZE NSIZE NTIE NUNTIE STOP TF
TRACE UCS VR
Note that quad functions and variables (except for the ⎕A family of functions) are case insensitive


See Also
System Commands System Variables and Functions Operators


Keyboard
A+S
Alt ¨ ¯ < > × ÷
Sh ~ ! @ # $ % ^ & * ( ) _ +
Key ` 1 2 3 4 5 6 7 8 9 0 - =
A+S
Alt ? § π
Sh Q W E R T Y U I O P { } |
Key q w e r t y u i o p [ ] \
A+S
Alt
Sh A S D F G H J K L : "
Key a s d f g h j k l ; '
A+S χ
Alt
Sh Z X C V B N M < > ?
Key z x c v b n m , . /
NARS 2000 Lang
Tool
Bar
+ - × ÷ * ! ? |
< = >
~ § π .. ,
/ \ ¨ .
_ ¯
Second Row i j k i j k l g p r v x

[[Category:Mouse Group {{{1}}}|{{{2}}}]]