Function names cannot begin with a number. Also, this is an extremely simple problem that has been posted many times. Please put more thought into problems before posting them.
I changed the problem slightly and added some more test cases.
Leading size is 0 !!!!!!!!!!!!
leading solution is zero ,what does this mean?
Extract leading non-zero digit
Basics: 'Find the eigenvalues of given matrix
Make a 1 hot vector
Create an n-by-n null matrix and fill with ones certain positions
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