Draw 'O' ! - MATLAB Cody - MATLAB Central

Problem 44666. Draw 'O' !

Difficulty:
(5768)
Rate

Given n as input, generate a n-by-n matrix 'O' using 0 and 1 .

example:

n=4
ans=
      [1 1 1 1
       1 0 0 1
       1 0 0 1
       1 1 1 1]
Solve

Solution Stats

73.86% Correct | 26.14% Incorrect
Last Solution submitted on Feb 16, 2025

Problem Comments

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Primes and Rough Numbers, Basic ideas
What is a rough number? What can they be used...
John D'Errico in Tips & Tricks
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