Cody

# Problem 2408. Find the biggest digit in a matrix

Solution 1227984

Submitted on 10 Jul 2017 by Said BOUREZG
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### Test Suite

Test Status Code Input and Output
1   Pass
x = [12; 47; 86; 10; 65; 92]; y_correct = 9; assert(isequal(biggest_digit(x),y_correct))

ans = 12 47 86 10 65 92 ans = 12 47 86 10 65 92 ans = 9

2   Pass
x = [11; 10; 1; 0; 2; NaN]; y_correct = 2; assert(isequal(biggest_digit(x),y_correct))

ans = 11 10 1 0 2 NaN ans = 11 10 1 0 2 ans = 2

3   Pass
x = [11; 10; 1; 0; 22; 20; Inf; 12]; y_correct = 2; assert(isequal(biggest_digit(x),y_correct))

ans = 11 10 1 0 22 20 12 ans = 11 10 1 0 22 20 12 ans = 2

4   Pass
x = [145; 8586; 12487811; 456788; 0; 147852214]; y_correct = 8; assert(isequal(biggest_digit(x),y_correct))

ans = 145 8586 12487811 456788 0 147852214 ans = 145 8586 12487811 456788 0 147852214 ans = 8

5   Pass
x = ones(5,5); y_correct = 1; assert(isequal(biggest_digit(x),y_correct))

ans = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ans = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ans = 1

6   Pass
x = magic(9); y_correct = 9; assert(isequal(biggest_digit(x),y_correct))

ans = 47 57 67 77 6 16 26 36 37 58 68 78 7 17 27 28 38 48 69 79 8 18 19 29 39 49 59 80 9 10 20 30 40 50 60 70 1 11 21 31 41 51 61 71 81 12 22 32 42 52 62 72 73 2 23 33 43 53 63 64 74 3 13 34 44 54 55 65 75 4 14 24 45 46 56 66 76 5 15 25 35 ans = 47 57 67 77 6 16 26 36 37 58 68 78 7 17 27 28 38 48 69 79 8 18 19 29 39 49 59 80 9 10 20 30 40 50 60 70 1 11 21 31 41 51 61 71 81 12 22 32 42 52 62 72 73 2 23 33 43 53 63 64 74 3 13 34 44 54 55 65 75 4 14 24 45 46 56 66 76 5 15 25 35 ans = 9