Solution and New Crossword

Transcribed from the printed issue; not yet reviewed. Read it in the PDF of the issue, page 49

Solution to Crossword in 18.2¶

New Crossword¶

Across¶

1. +⌿MAT
2. V[((⍴V)+(⎕IO=1)-⎕IO=0)-⍳⍴V]
3. ,1+⍳10⍟N for integer scalar N>0
4. Are any of the corresponding rows in matrices M and W identical?
5. (M×M≥N)+(N×M<N)
6. Pythagoras: (______+B*2)=C*2
7. ⊃,/A where A is a vector of simple vectors
8. -V-100
9. 0.5×VR
10. (⍳0)⍴⍒V
11. ⍳0, using shape
12. Add up
13. A∊V for vector V, using dyadic ⍳
14. (⍴N)+(⍴K) for vectors N and K
15. N-1|N
16. ⌽⍴⍉M
17. N random numbers from the set (ML-1),(ML-2),(ML-3) ...,(ML-59)
18. The value of X, if TP←⍟X
19. ⌽¯2↑1⌽'NUMBER'
20. V[⍳15]
21. R[I]××/N[I;] for all I
22. ⍳0, using reshape
23. MATRIX, with values formatted to one decimal place

Down¶

1. Are any of the values of matrix M in vector V?
2. Is either M or N true?
3. Replicate each element A times
4. Are both T and B0 true?
5. Reverse the values in each row of M
6. (V≥0)∧(V≤9)
7. '1' or '2' at random (origin 1)
8. ⎕__ tells you how much room there is
9. -⌊-AR
10. (2×V[1])*(2×V[2]) for 2-element vector V in origin 1
11. What gave birth to this erroneous situation?
12. ×/(⌽⍳2)/1+⍳2 in origin 1
13. 2⍴2⌽⍎'''V←0'''
14. +\(⍴V)⍴¯1 for vector V in origin 1
15. I,-I×*¯10
16. Bit vector to index vector converter
17. M≠M, but faster
18. )VARS or )FNS under program control
19. OK random numbers from ⍳T5
20. ____ your boat
21. ⊃N in Sharp APL
22. Stick vector NX on the right side of matrix AMT as a new column
23. 1,(NP-1)⍴0
24. +/+\(+/+\(+/+\⍳2)⍴1)⍴1 in origin 1
25. RRR[_____] is in ascending order
26. (N⍴T[1]),(N⍴T[2]),(N⍴T[3]), ... for scalar N
27. Format to V decimal places
28. (A>0)-(A<0)
29. 1⍴I for scalar I