Cody

# Problem 2909. Approximation of Pi (vector inputs)

Solution 1540461

Submitted on 25 May 2018
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

Test Status Code Input and Output
1   Fail
n = 1:5; y_correct = [-0.858407346410207 0.474925986923126 -0.325074013076874 0.246354558351698 -0.198089886092747]; answers = pi_approx(n); for i = 1:numel(n) assert(abs(answers(i)-y_correct(i))<(100*eps)) end

ans = -4.0000 -2.6667 -3.4667 -2.8952 -3.3397

Assertion failed.

2   Fail
n = 2:2:10; y_correct = [0.474925986923126 0.246354558351698 0.165546477543617 0.124520836517975 0.099753034660390]; answers = pi_approx(n); for i = 1:numel(n) assert(abs(answers(i)-y_correct(i))<(100*eps)) end

ans = -2.6667 -2.8952 -2.9760 -3.0171 -3.0418

Assertion failed.

3   Fail
n = 5:5:25; y_correct = [-0.198089886092747 0.099753034660390 -0.066592998672151 0.049968846921953 -0.039984031845239]; answers = pi_approx(n); for i = 1:numel(n) assert(abs(answers(i)-y_correct(i))<(100*eps)) end

ans = -3.3397 -3.0418 -3.2082 -3.0916 -3.1816

Assertion failed.

4   Fail
n = 10:10:100; y_correct = [0.099753034660390 0.049968846921953 0.033324086890846 0.024996096795960 0.019998000998782 0.016665509660796 0.014284985608559 0.012499511814072 0.011110768228485 0.009999750031239]; answers = pi_approx(n); for i = 1:numel(n) assert(abs(answers(i)-y_correct(i))<(100*eps)) end

ans = -3.0418 -3.0916 -3.1083 -3.1166 -3.1216 -3.1249 -3.1273 -3.1291 -3.1305 -3.1316

Assertion failed.