Cody

# Problem 2024. Triangle sequence

Solution 2130812

Submitted on 17 Feb 2020 by George Iskander
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### Test Suite

Test Status Code Input and Output
1   Pass
n = 1; area_correct = 25; tolerance = 1e-12; assert(abs(triangle_sequence(n)-area_correct)<tolerance)

area = 25

2   Pass
n = 2; area_correct = 41; tolerance = 1e-12; assert(abs(triangle_sequence(n)-area_correct)<tolerance)

tri = 3.0000 4.0000 4.0000 5.0000 5.0000 6.4031 area = 41

3   Pass
n = 3; area_correct = 66; tolerance = 1e-12; assert(abs(triangle_sequence(n)-area_correct)<tolerance)

tri = 3.0000 4.0000 0 4.0000 5.0000 0 5.0000 6.4031 0 tri = 3.0000 4.0000 5.0000 4.0000 5.0000 6.4031 5.0000 6.4031 8.1240 area = 66.0000

4   Pass
n = 50; area_correct = 439116598409; tolerance = 1e-3; assert(abs(triangle_sequence(n)-area_correct)<tolerance)

tri = Columns 1 through 17 3.0000 4.0000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4.0000 5.0000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.0000 6.4031 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 18 through 34 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 35 through 50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 tri = Columns 1 through 17 3.0000 4.0000 5.0000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4.0000 5.0000 6.4031 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.0000 6.4031 8.1240 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 18 through 34 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 35 through 50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 tri = Columns 1 through 17 3.0000 4.0000 5.0000 6.4031 0 0 0 0 0 0 0 0 0 0 0 0 0 4.0000 5.0000 6.4031 8.1240 0 0 0 0 0 0 0 0 0 0 0 0 0 5.0000 6.4031 8.1240 10.3441 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 18 through 34 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 35 through 50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 tri = Columns 1 through 17 3.0000 4.0000 5.0000 6.4031 8.1240 0 0 0 0 0 0 0 0 0 0 0 0 4.0000 5.0000 6.4031 8.1240 10.3441 0 0 0 0 0 0 0 0 0 0 0 0 5.0000 6.4031 8.1240 10.3441 13.1529 0 0 0 0 0 0 0 0 0 0 0 0 Columns 18 through 34 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 35 through 50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 tri = Columns 1 through 17 3.0000 4.0000 5.0000 6.4031 8.1240 10.3441 0 0 0 0 0 0 0 0 0 0 0 4.0000 5.0000 6.4031 8.1240 10.3441 13.1529 0 0 0 0 0 0 0 0 0 0 0 5.0000 6.4031 8.1240 10.3441 13.1529 16.7332 0 0 0 0 0 0 0 0 0 0 0 Columns 18 through 34 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 35 through 50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 tri = Columns 1 through 17 3.0000 4.0000 5.0000 6.4031 8.1240 10.3441 13.1529 0 0 0 0 0 0 0 0 0 0 4.0000 5.0000 6.4031 8.1240 10.3441 13.1529 16.7332 0 0 0 0 0 0 0 0 0 0 5.0000 6.4031 8.1240 10.3441 13.1529 16.7332 21.2838 0 0 0 0 0 0 0 0 0 0 Columns 18 through 34 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 35 through 50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 tri = Columns 1 through 17 3.0000 4.0000 5.0000 6.4031 8.1240 10.3441 13.1529 16.7332 0 0 0 0 0 0 0 0 0 4.0000 5.0000 6.4031 8.1240 10.3441 13.1529 16.7332 21.2838 0 0 0 0 0 0 0 0 0 5.0000 6.4031 8.1240 10.3441 13.1529 16.7332 ...