Problem 60461. Generate a point cloud on an equilateral triangle 2

• Created by Tomoaki Takagi
• Appears in Number Manipulation I

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The input is the iteration parameter H.

The output is a point cloud W involving N points.

W is N uniformly distributed points on an equilateral triangle.

The side length of an equilateral triangle is 2.

The relationship between H and N is as follows:

• H = [1 2 3 4 5 6 7 8 9];
• N = [4 10 19 31 46 64 85 109 136];

The results for cases where H is 1 to 6 are as follows.

Ex)

• [W,N] = lattice2(H=1) -> W = [0 0; 1 sqrt(3)/3; 1 sqrt(3); 2 0]; N = 4;
• [W,N] = lattice2(H=2) -> W = [0 0; 0.5 sqrt(3)/6; 0.5 sqrt(3)/2; 1 0; 1 sqrt(3)/3; 1 sqrt(4/3); 1 sqrt(3); 1.5 sqrt(3)/6; 1.5 sqrt(3)/2; 2 0]; N = 10;

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Solution Stats

13.89% Correct | 86.11% Incorrect

• 36 Solutions
• 5 Solvers

Last Solution submitted on Apr 21, 2025

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