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Apply TodayGiven a matrix of scalars, find the first occurrence of -1 in each column. Output NaN for a column which does not contain the value. For example

input =

0 0 0 0 -1 -1 0 1 -1 1 0 -1 0 0 0 1

Find row number of first instance of -1 in each column

output = [2 2 NaN 3]

36 correct solutions
19 incorrect solutions

Last solution submitted on Apr 14, 2016

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