Sum the numbers on the main diagonal of an n-by-n matrix.
A = [1 2 4
3 6 2
2 4 7]
The output value should equal 14.
It dseon't mettar waht oedrr the lrettes in a wrod are.
Back to basics 15 - classes
Back to basics 21 - Matrix replicating
kmph to mps
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