Prime number function Help!

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gmltn1212
gmltn1212 am 13 Jun. 2020
Kommentiert: KSSV am 13 Jun. 2020
Hi I am trying to write a code that takes in a vector of doubles and return only prime numbers. I understand I can do this by using isprime() function but I want to try it wo using that function. Could you show me how to do it by using loops?

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KSSV
KSSV am 13 Jun. 2020
If A is your array,
iwant = A(isprime(A))
  2 Kommentare
gmltn1212
gmltn1212 am 13 Jun. 2020
I am not trying to use isprime function!
KSSV
KSSV am 13 Jun. 2020
This is discussed lot of times.....you search in mathworks google. You will get many links.
https://in.mathworks.com/matlabcentral/answers/306336-i-need-a-program-to-check-prime-numbers

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