Solution and New Crossword

Transcribed from the printed issue; not yet reviewed. Read it in the PDF of the issue, page 47

Solution to Crossword in 18.1¶

Crossword for Vector 18.2¶

Across¶

1. For each number in B, the number of numbers in vector L larger than it
2. The values of B, capped at 3 and rounded up to the next integer
3. Same as 1↑ on an empty vector
4. Cosine of (pi times R) radians
5. */TAB,25 .5 for scalar TAB
6. Remainder when the absolute value of D is divided by N
7. +/-R
8. Where in V are the integers from 1 to T?
9. V-G×⌊V÷G
10. Number of possible combinations of ×/⍳N objects taken 3 at a time
11. Branch to the line labelled V1
12. e to the power T
13. Shape of A∘.×A
14. 5 10 15 20 in origin 1
15. 2 if P>0; 0 if P=0
16. 3 random numbers from ⍳NV4
17. (~A∊~B)/A
18. Same as 27 Down
19. Is T a scalar?
20. Stick a column of 2s on the right of matrix M
21. ~F for Boolean F
22. Rank of A
23. Set K as Z[4+⍳(⍴Z)-4]
24. 1 2 3 ... I
25. Increase the depth of T by 1
26. Indices of the 1 bits in B
27. Length of V
28. 10*+/4⍴VE for VE a scalar

Down¶

1. Cumulative sum of the difference between T and G times itself
2. B×V where B is a Boolean vector, without ×
3. ÷5×÷5×.05
4. First true
5. Tangent of the magnitude of T radians
6. Circumference of a circle of diameter D, rounded up to the next integer
7. |(-R)-1|-R
8. N⍴⎕IO,~⎕IO for N a scalar
9. ((T×T)*.5)+A
10. ×/R⍴e (the mathematical constant e)
11. Where in vector N is A factorial?
12. Number of ways the elements of vector P can be combined in sets of V elements
13. Flag each distinct value in V when it first occurs
14. Sign (¯1, 0, 1) of the first three elements of matrix B
15. Exit the function if N=0; restart it if N>0
16. ×/2 3*2*2 1
17. 2 if T=0; 0 if T=1
18. Shuffle the numbers ⍳5
19. ⍳0 if A is nested (one deep); else 2
20. B0[2+⍳3]
21. Is A the shape of T?
22. Same as 27 Across
23. An empty vector for which ⍴⎕IO⊃1↑ returns ⍴M
24. Set M as 0⍴0
25. 2+3
26. (+/K)⍴1