Test cases have been added to this problem.
I don"t want dumplings!
Back to basics 9 - Indexed References
Multiply a column by a row
Reverse the elements of an array
Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]
Solve expression II
Find scalar product of two polynomials a and b, given as vector array.
Sum positive elements of matrix.
Find sum of negative elements in row.
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