I finally understood the problem by looking at other problems by the author. He is imagining an abstract pyramid made by square matrices of ones that descrease evenly until the top is reached. For instance a squared based pyramid of 19 would make height 10, because its layers are ones(19), ones(17), ones(15), ones(13), ones(11), ones(9), ones(7), ones(5), ones(3), ones(1).
find radius of cone
Celsius to Kelvin
03 - Matrix Variables 4
Determine if a row vector has NaN
Create a square matrix of zeros of even order
cross-section of 3D pyramid
Top layer of a 3D pyramid
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