Cody

# Problem 2024. Triangle sequence

Solution 413821

Submitted on 5 Mar 2014 by Philipp
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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)

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

x = 4.0000 5.0000 6.4031

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

x = 4.0000 5.0000 6.4031 x = 5.0000 6.4031 8.1240

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

x = 4.0000 5.0000 6.4031 x = 5.0000 6.4031 8.1240 x = 6.4031 8.1240 10.3441 x = 8.1240 10.3441 13.1529 x = 10.3441 13.1529 16.7332 x = 13.1529 16.7332 21.2838 x = 16.7332 21.2838 27.0740 x = 21.2838 27.0740 34.4384 x = 27.0740 34.4384 43.8064 x = 34.4384 43.8064 55.7225 x = 43.8064 55.7225 70.8802 x = 55.7225 70.8802 90.1610 x = 70.8802 90.1610 114.6865 x = 90.1610 114.6865 145.8835 x = 114.6865 145.8835 185.5667 x = 145.8835 185.5667 236.0445 x = 185.5667 236.0445 300.2532 x = 236.0445 300.2532 381.9280 x = 300.2532 381.9280 485.8199 x = 381.9280 485.8199 617.9725 x = 485.8199 617.9725 786.0732 x = 617.9725 786.0732 999.9005 x = 1.0e+03 * 0.7861 0.9999 1.2719 x = 1.0e+03 * 0.9999 1.2719 1.6179 x = 1.0e+03 * 1.2719 1.6179 2.0580 x = 1.0e+03 * 1.6179 2.0580 2.6178 x = 1.0e+03 * 2.0580 2.6178 3.3299 x = 1.0e+03 * 2.6178 3.3299 4.2356 x = 1.0e+03 * 3.3299 4.2356 5.3878 x = 1.0e+03 * 4.2356 5.3878 6.8534 x = 1.0e+03 * 5.3878 6.8534 8.7177 x = 1.0e+04 * 0.6853 0.8718 1.1089 x = 1.0e+04 * 0.8718 1.1089 1.4106 x = 1.0e+04 * 1.1089 1.4106 1.7942 x = 1.0e+04 * 1.4106 1.7942 2.2823 x = 1.0e+04 * 1.7942 2.2823 2.9032 x = 1.0e+04 * 2.2823 2.9032 3.6929 x = 1.0e+04 * 2.9032 3.6929 4.6974 x = 1.0e+04 * 3.6929 4.6974 5.9752 x = 1.0e+04 * 4.6974 5.9752 7.6006 x = 1.0e+04 * 5.9752 7.6006 9.6681 x = 1.0e+05 * 0.7601 0.9668 1.2298 x = 1.0e+05 * 0.9668 1.2298 1.5643 x = 1.0e+05 * 1.2298 1.5643 1.9899 x = 1.0e+05 * 1.5643 1.9899 2.5311 x = 1.0e+05 * 1.9899 2.5311 3.2196 x = 1.0e+05 * 2.5311 3.2196 4.0955 x = 1.0e+05 * 3.2196 4.0955 5.2095 x = 1.0e+05 * 4.0955 5.2095 6.6266