Crossword

Transcribed from the printed issue; not yet reviewed. Read it in the PDF of the issue, page 38

Crossword¶

Across¶

1. The lesser of M or SM
2. Branch to line L: if...
3. A matrix with N rows of the vector A
4. (A,N)[A<N] for scalars A, N in ⎕IO=0
5. B=TSD exactly (as if ⎕CT=0)
6. V[2]-V[1] in origin 1 where 2=⍴V
7. A wild APL party
8. (J=I)∨(J=K) for scalars I, J, K
9. The remainder of E when divided by B
10. 2 if S<0, 1 if S=0. ÷2 if S>0
11. (L≠0)/L
12. ⎕__ tells functions from variables
13. (1↓EXPR),(1↑EXPR)
14. ⎕__ lists your functions or variables
15. (×/⍴VT)⍴VT
16. M formatted to R decimal places
17. The product of the rows of N, summed, times A
18. Where am I?
19. -/5 3*2
20. -⍳N in origin 1
21. Eׯ1
22. ⍳TW in random order
23. Flag the leading 1s in Boolean C
24. The element in vector RATES corresponding to the largest element in vector V

Down¶

1. MN∊G5 for scalar G5
2. The integral portion of the elements of array B, as a vector
3. S↑(-J)×N[⌽⍳⍴N]
4. (⎕IO+⍴SEL)>SEL⍳MAT
5. Branch to line A:
6. 1 if A>B, 0 if A=B, ¯1 if A<B
7. +\(|1↑N[⍒(N×N)*0.5])⍴1 in origin 1
8. Matrix TR, without its all-0 columns
9. What’s happening?
10. (⍴D)+(⍴LP) for vectors D, LP
11. NVEC in ascending order
12. ((K≠1)>K∊R)/K
13. The mathematical constant e
14. The product of T and !3, rounded up to the nearest integer
15. +/×\¯1↓1,⌽V for V a vector
16. W formatted to ⎕PP siginificant digits
17. One random number from MS+1 to ML+T, in origin 1
18. (⍴,MV)[⎕IO]
19. TE×I, without multiplying, for scalar TE and Boolean vector I
20. -WS-D
21. Alternating sum of V
22. ⎕__ tells howmuch room remains
23. All

Solution to Crossword in 18.4¶