Cody

# Problem 47. Extract leading non-zero digit

Solution 1818887

Submitted on 17 May 2019 at 13:52
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### Test Suite

Test Status Code Input and Output
1   Fail
x = [100 23 -34 0.005 -0.466664 -0.555 1 134534]; y_correct = [1 2 3 5 4 5 1 1]; assert(isequal(leadingDigit(x),y_correct))

x = 1.0e+05 * 0.0010 0.0002 0.0003 0.0000 0.0000 0.0000 0.0000 1.3453 t = '100' t = '23' t = '34' t = '5' t = '4.6666' t = '5.55' t = '134534'

Assertion failed.

2   Pass
x = [57 -0.2 8913 -63 0.838127]; y_correct = [5 2 8 6 8]; assert(isequal(leadingDigit(x),y_correct))

x = 1.0e+03 * 0.0570 0.0002 8.9130 0.0630 0.0008 t = '57' t = '2' t = '8913' t = '63' t = '8.3813'

3   Pass
x = [-0.4336 0.3426 3.5784 2.7694 -1.3499]; y_correct = [4 3 3 2 1]; assert(isequal(leadingDigit(x),y_correct))

x = 0.4336 0.3426 3.5784 2.7694 1.3499 t = '4.336' t = '3.426' t = '3.5784' t = '2.7694' t = '1.3499'

4   Fail
x = [0.3000 -0.1 -0.00000002 0.5 0.002]; y_correct = [3 1 2 5 2]; assert(isequal(leadingDigit(x),y_correct))

x = 0.3000 0.1000 0.0000 0.5000 0.0020 t = '3' t = '2' t = '5' t = '2'

Assertion failed.