MATLAB Function Reference

isprime

Detect prime elements of an array

Syntax

• TF = isprime(A)
  

Description

TF = isprime(A) returns an array the same size as A containing logical true (1) for the elements of A which are prime, and logical false (0) 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*

ispc

isprop (COM)