As i understand it, the algorithm is only supposed to change the middle element of the matrix. That means the answer to problem 1 in the test suite is incorrect.
@William, the problem is not only to change the middle term but to do basic operations with it.
In the first suite 5 is the middle number, add 2 and 8 (column elements) and then subtract 4 and 10 (row elements), so 5+2+8-4-10 = 1
Yes, I understand how the value x(2,2) was calculated, but why did the values of x(1,2) and x(3,2) change?
I do not understand why all the element in the second column equal 1 in the first test suit?
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