Isprime optimus [FAST]

Primality test using isprime Matlab(r) stock function, but ~60% faster for vectors.

Once downloaded, typewrite 'help isprime_optimus' in Matlab console for support.

To benefit from the file documentation attached, be sure to download the files, not to just copy and paste them.

Input

u : a vector of integers sorted in ascending order.

Output

is_prime : logical vector, result of u primality test. size(is_prime) = size(u).

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