Return an n-by-n matrix that has a, b, c as the subdiagonal, main diagonal, and superdiagonal entries in the matrix.
T = [2 3 0 0 0;
1 2 3 0 0;
0 1 2 3 0;
0 0 1 2 3;
0 0 0 1 2]
did you mean n=4 and not d=4?? ;-)
it seems that the test code is broken n!=d
I fixed the test suite so that n is used instead of d.
Additional test cases have been added.
Sum all integers from 1 to 2^n
Fill a zeros matrix
Is it an Armstrong number?
Area of a Square
Replacing a row
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