apl>" <-APL2-------------------- sam192.txt ---------------------------->


apl>" <-More disclose, index origin 1 ---------------------------------->


apl>Lio # 1


apl>z#2 4R'pa' 'ma' 'we' 'by' 'it' 'up' 'on' 'hi'


apl>r#(2 4RI8) (2 4R'abcdefgh') (z)


apl>Rb#`X[1 2]r

2 4 3

apl>`=b

2

apl>b

 1 a pa 
 2 b ma 
 3 c we 
 4 d by 
        
 5 e it 
 6 f up 
 7 g on 
 8 h hi 

apl>Ry#`X[1 3]r

2 3 4

apl>y

  1  2  3  4 
  a  b  c  d 
 pa ma we by 
             
  5  6  7  8 
  e  f  g  h 
 it up on hi 

apl>Rv#`X[2 3]r

3 2 4

apl>v

  1  2  3  4 
  5  6  7  8 
             
  a  b  c  d 
  e  f  g  h 
             
 pa ma we by 
 it up on hi 

apl>`X[2 1]r

 1 a pa 
 5 e it 
        
 2 b ma 
 6 f up 
        
 3 c we 
 7 g on 
        
 4 d by 
 8 h hi 

apl>`X[3 1]r

  1  5 
  a  e 
 pa it 
       
  2  6 
  b  f 
 ma up 
       
  3  7 
  c  g 
 we on 
       
  4  8 
  d  h 
 by hi 

apl>`X[3 2]r

  1  5 
  2  6 
  3  7 
  4  8 
       
  a  e 
  b  f 
  c  g 
  d  h 
       
 pa it 
 ma up 
 we on 
 by hi 

apl>`X[1](I3) 'jump'

 1 j 
 2 u 
 3 m 
 0 p 

apl>`X[1](I5) 'jump'

 1 j 
 2 u 
 3 m 
 4 p 
 5   

apl>)off