Problem 14. Find the numeric mean of the prime numbers in a matrix.

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There will always be at least one prime in the matrix.

Example:

 Input  in = [ 8 3
               5 9 ]
 Output out is 4 or (3+5)/2

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Last Solution submitted on Apr 25, 2025

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Mehran Akbari on 11 Feb 2020

The question topic is hard to understand.

Suraj Kumar on 26 Jul 2020

Good Problem for beginners.

Leo S on 30 Nov 2020

What is wrong with

a = find( isprime( in))
out = mean( in( a)) ?

It works perfectly in my own MATLAB environment

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Problem 14. Find the numeric mean of the prime numbers in a matrix.

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Last 200 Solutions

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Problem 14. Find the numeric mean of the prime numbers in a matrix.

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Last 200 Solutions

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Registration Now Open for MathWorks AUTOMOTIVE CONFERENCE 2025

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