Problem 411. Back to basics 21 - Matrix replicating

• Created by Alan Chalker
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Matrix Manipulation I

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Some simple basic problems

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• 87 Finishers

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Covering some basic topics I haven't seen elsewhere on Cody.

Given an input matrix, generate an output matrix that consists of the input matrix replicated in a 2 by 2 pattern Examples:

[1] -> [1 1
        1 1]

[1 2       -> [1 2 1 2
 3 4]          3 4 3 4 
               1 2 1 2 
               3 4 3 4]

Solve

Solution Stats

76.13% Correct | 23.87% Incorrect

• 2551 Solutions
• 1691 Solvers

Last Solution submitted on May 10, 2025

Last 200 Solutions

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Problem Recent Solvers1691

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