there seem to be some problems with the testsuite, in particular some of those matrices contain different number of elements per row (e.g. perhaps "5,7" should be "5.7"). I guess the same applies to your example dataset where the last row contains only four numbers instead of five?
I have fixed test suite.
The test sets 2,3,5, and 6 have a problem with x. It should probably read 5.7 and not 5,7
First non-zero element in each column
Remove the two elements next to NaN value
Make a run-length companion vector
Fix the last element of a cell array
Sum the 'edge' values of a matrix
Challenging perms function!
Delete the rows in the middle
Write out numbers in words
Calculate trends in time series
Dealing with correlation results!
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