MATLAB Function Reference

isprime - Array elements that are prime numbers

Syntax

TF = isprime(A)

Description

TF = isprime(A) returns an array the same size as A containing logical 1 (true) for the elements of A which are prime, and logical 0 (false) otherwise. A must contain only positive integers.

Examples

c = [2 3 0 6 10]

c =
     2     3     0     6    10

isprime(c)

ans =
     1     1     0     0     0

See Also

is*

ispref

isprop