I am exploring the J language for scientific purposes and am running this Fibonacci number code. Does anyone know how to add up the values in each of the four columns?
NB. Fibo101.ijs
NB. Fibonacci numbers
NB. using J language free from www.jsoftware.com
NB. F creates a list of the first 64 Fibonacci numbers
F =: ((, [: +/_2&{.)^:62)0 1x
NB. Show the numbers arranged in 4 columns
_4 [\ F
0 1 1 2
3 5 8 13
21 34 55 89
144 233 377 610
987 1597 2584 4181
6765 10946 17711 28657
46368 75025 121393 196418
317811 514229 832040 1346269
2178309 3524578 5702887 9227465
14930352 24157817 39088169 63245986
102334155 165580141 267914296 433494437
701408733 1134903170 1836311903 2971215073
4807526976 7778742049 12586269025 20365011074
32951280099 53316291173 86267571272 139583862445
225851433717 365435296162 591286729879 956722026041
1548008755920 2504730781961 4052739537881 6557470319842