Cody

# Problem 42922. Zero Cross

Solution 1562567

Submitted on 17 Jun 2018 by GEORGIOS BEKAS
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### Test Suite

Test Status Code Input and Output
1   Pass
x = [1 2 -3 -4 5 6 -7 8 -9 10 11]; n = 6; assert(isequal(Zero_Cross(x),n))

y = 0 2 0 2 0 2 2 2 2 0 n = 0 n = 1 n = 2 n = 3 n = 4 n = 5 n = 6

2   Pass
x = [1 2 -3 ]; n = 1; assert(isequal(Zero_Cross(x),n))

y = 0 2 n = 0 n = 1

3   Pass
x = ones(1,100); n = 0; assert(isequal(Zero_Cross(x),n))

y = Columns 1 through 30 0 0 0 0 0 0 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 31 through 60 0 0 0 0 0 0 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 61 through 90 0 0 0 0 0 0 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 91 through 99 0 0 0 0 0 0 0 0 0 n = 0

4   Pass
x = [-6.1 -4.2 -1.1 -6 7 -6 -6 -7 -6 -1]; n = 2; assert(isequal(Zero_Cross(x),n))

y = 0 0 0 2 2 0 0 0 0 n = 0 n = 1 n = 2

5   Pass
x = 1 n = 0; assert(isequal(Zero_Cross(x),n))

x = 1 y = [] n = 0

6   Pass
x = ones(1,50) - 25; n = 0; assert(isequal(Zero_Cross(x),n))

y = Columns 1 through 30 0 0 0 0 0 0 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 31 through 49 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 n = 0

7   Pass
x = 1:50 - 25; n = 0; assert(isequal(Zero_Cross(x),n))

y = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 n = 0

8   Pass
x = [ones(1,50); -ones(1,50)]; x = reshape(x,[1,100]); n = 99; assert(isequal(Zero_Cross(x),n))

y = Columns 1 through 30 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Columns 31 through 60 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Columns 61 through 90 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Columns 91 through 99 2 2 2 2 2 2 2 2 2 n = 0 n = 1 n = 2 n = 3 n = 4 n = 5 n = 6 n = 7 n = 8 n = 9 n = 10 n = 11 n = 12 n = 13 n = 14 n = 15 n = 16 n = 17 n = 18 n = 19 n = 20 n = 21 n = 22 n = 23 n = 24 n = 25 n = 26 n = 27 n = 28 n = 29 n = 30 n = 31 n = 32 n = 33 n = 34 n = 35 n = 36 n = 37 n = 38 n = 39 n = 40 n = 41 n = 42 n = 43 n = 44 n = 45 n = 46 n = 47 n = 48 n = 49 n = 50 n = 51 n = 52 n = 53 n = 54 n = 55 n = 56 n = 57 n = 58 n = 59 n = 60 n = 61 n = 62 n = 63 n = 64 n = 65 n = 66 n = 67 n = 68 n = 69 n = 70 n = 71 n = 72 n = 73 n = 74 n = 75 n = 76 n = 77 n = 78 n = 79 n = 80 n = 81 n = 82 n = 83 n = 84 n = 85 n = 86 n = 87 n = 88 n = 89 n = 90 n = 91 n = 92 n = 93 n = 94 n = 95 n = 96 n = 97 n = 98 n = 99