Problem 45863. Generate a vector which contains a pyramid pattern (★★★★)

Created by Anirban Pal

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Generate a vector that contains terms that follows a pyramid pattern up to the nth row:
    1 
   2 2
  3 3 3
 4 4 4 4 
....
So if n = 3, then return the vector
 [1 2 2 3 3 3]
And if n = 5, then return
 [1 2 2 3 3 3 4 4 4 4 5 5 5 5 5]
Avoid using for/while loops.

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Last Solution submitted on Apr 30, 2025

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Christian Schröder on 22 Oct 2022

The test suite should be a little less zealous when looking for "for" loops, ideally --- it also trips up on arrayfun(..., "UniformOutput", false), for instance.

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Problem 45863. Generate a vector which contains a pyramid pattern (★★★★)

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Problem 45863. Generate a vector which contains a pyramid pattern (★★★★)

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Last 200 Solutions

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