Problem 47. Extract leading non-zero digit

Solution 1640015

Submitted on 8 Oct 2018 by Philippe S.

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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)) [Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In leadingDigit (line 2) In ScoringEngineTestPoint1 (line 3) In solutionTest (line 3)]
2	Pass	x = [57 -0.2 8913 -63 0.838127]; y_correct = [5 2 8 6 8]; assert(isequal(leadingDigit(x),y_correct)) [Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In leadingDigit (line 2) In ScoringEngineTestPoint2 (line 3) In solutionTest (line 5)]
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)) [Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In leadingDigit (line 2) In ScoringEngineTestPoint3 (line 3) In solutionTest (line 7)]
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)) [Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In leadingDigit (line 2) In ScoringEngineTestPoint4 (line 3) In solutionTest (line 9)]