Solution and New Crossword

Transcribed from the printed issue; not yet reviewed. Read it in the PDF of the issue, page 28

Crossword¶

Across¶

1. (~V∊N)/V
2. The elements of vector C that satisfy condition A1 or condition B
3. The characters used to represent the number KC
4. How many of the leading numbers in the list V are greater than 99?
5. ⎕_3 returns the names of all existing functions
6. Alternating sum of B
7. The larger of S or ...
8. Index of the first row of M that contains vector V
9. T[I]-+/I↑mrv for I from 1 to ρT (origin 1)
10. S×(7÷S)-⍳7÷S
11. 3 4+.*2
12. AA[(1+ρAA)-⍳ρAA] in origin 1
13. The 256 different characters
14. How many elements in the same-length vectors VT and V are the same?
15. Pick a number form 1 to 10
16. ((E×E)ׯ1)+V5
17. (A×X*2)+(B×X)+C, all scalars
18. (5 10+.*3 2)*.5
19. The remainder of M when dividing by S
20. One of the two system commands that can increase ⎕WA when the state indicator is empty
21. Rotate vector D to the left P places; stick R on the front of it; grab the first M elememts; and reassign R
22. A constant is not __

Down¶

1. Format N to V decimal places
2. (T5⍳KL)=⎕IO+ρT5
3. A has a value if 2=⎕__ 'A'
4. Drop the trailing elements of vector V that equal B
5. (B\A)/MAT
6. Lawrence Wall: “A __ a two and a ...”
7. The bits used to drop from V (via /) the characters before substring S
8. The greater of BV or N
9. In addition to } ≥ ] ⊃ are __
10. ... replicates 9
11. 17’s, C9 of them
12. ⍉'-(+'
13. Attach vector VCR to the left of matrix R, and add VRA to the result
14. The APL developer’s second-to-last system command at the end of the day
15. (⎕IO-1)++\((V×V)*.5)ρ1
16. 20 different random numbers from the set ⍳XS
17. Does the number entered equla the alternating sum of the vector (S↓A),S↑A (for positive S)
18. Subtract the array TOAM from itself, reshape the result to have shape ⍳0, and reassign it
19. ++/6 9 3
20. All of the vector ZE but its first 125 numbers
21. The sum of the magnitude of the numbers in the vector R
22. e
23. (×/ρERA)ρERA
24. Application program interface (abbr.)
25. (⊂'')ρ¨'EASY' 'DOOR' 'BOLT'

Solution to Crossword in 17.3¶