Problem 307. First non-zero element in each column

Solution 40471

Submitted on 14 Feb 2012

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@bmtran (Bryant Tran) on 14 Feb 2012

houston we have a problem...

Test	Status	Code Input and Output
1	Fail	%% x = [0 1 0 0;4 3 7 0;0 0 2 6;0 9 0 5]; y_correct = [2 1 2 3]; assert(isequal(firstNonZeros(x),y_correct)) Error: Undefined function 'firstNonZeros' for input arguments of type 'double'.

Test

Status

Code Input and Output

Fail

%% x = [0 1 0 0;4 3 7 0;0 0 2 6;0 9 0 5]; y_correct = [2 1 2 3]; assert(isequal(firstNonZeros(x),y_correct))

Error: Undefined function 'firstNonZeros' for input arguments of type 'double'.