Cody

# Problem 47. Extract leading non-zero digit

Solution 1886726

Submitted on 29 Jul 2019 by Steven Beumer
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### Test Suite

Test Status Code Input and Output
1   Pass
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))

z = 1 0 0 z = 2 3 z = 3 4 z = 0 -2 0 0 5 z = 0 -2 4 6 6 6 6 z = 0 -2 5 5 5 z = 1 z = 1 3 4 5 3 4

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

z = 5 7 z = 0 -2 2 z = 8 9 1 3 z = 6 3 z = 0 -2 8 3 8 1 3

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))

z = 0 -2 4 3 3 6 z = 0 -2 3 4 2 6 z = 3 -2 5 7 8 4 z = 2 -2 7 6 9 4 z = 1 -2 3 4 9 9

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

z = 0 -2 3 z = 0 -2 1 z = 2 53 -3 0 8 z = 0 -2 5 z = 0 -2 0 0 2

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