Producing 100 prime number in a vector

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Abhishek
Abhishek 2022-10-27
回答： David Hill 2022-10-27
Hi,
I want to generate a vector in which I could check that vector for prime numbers using isprime(vector). So far I have been able to get the get a vector, but it does not give the number which are prime. Instead it gives out a vector where all the prime numbers are replaced by one and non prime with zero.
p=(2:1:600)
y=isprime(p)
I used the following code.
Thanks in advance

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采纳的回答

David Hill
David Hill 2022-10-27
Ran in:
p=(2:1:600);
p(isprime(p))
ans = 1×109
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 103 107 109 113
primes(600)%better and faster
ans = 1×109
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 103 107 109 113

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