but I found remarkable your syntax on test case Nr. 27:
a = arrayfun(@(k) isPrimeSelf(n(k)),1:length(n));
if you use 'arrayfun' you can actually parse the vector directly and you can avoid parsing the indices. The following expression would be more narrow:
a = arrayfun(@isPrimeSelf,n)
Thanks for pointing that out. I've made the change.
Make a run-length companion vector
Sum the Digits of a Number
Find numbers in the Popular Computing Z-sequence
Solve an ODE: equation A
Identify full reptend primes
Compute the nth term from the golden sieve
List the delete-a-digit primes
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