Problem 307. First non-zero element in each column

Solution 133597

Submitted on 2 Sep 2012 by Peter Wittenberg

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Peter Wittenberg on 2 Sep 2012

It looks like I forgot to put in size(x,2) instead of 4. Apparently the test suite didn't check that.

Test	Status	Code Input and Output
1	Pass	%% 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))

Test

Status

Code Input and Output

Pass

%% 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))