In a given Matrix Replace all element having Negative sign with 0 and Positive elements with 1 .
Please improve the Test Suite. There is only one test case — it is recommended that at least four be provided, though sometimes even more are necessary to prevent hard-coded workarounds.
Multiply a column by a row
Return the first and last character of a string
Matlab Basics II - squares
Deleting Specific part.
Insert Special character in character cell array.
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