Given a matrix, find the average of the second largest values in each row. The same value does not exist on a row.
input x = [1 2 3 4;8 7 6 5;9 0 1 4] >>> output y = (3+7+4) / 3
solves the question yet the checker returns not a valid answer.
the following 4 lines solve this question
yet the online checker returns not a valid answer
Get the elements of diagonal and antidiagonal for any m-by-n matrix
What is Sum Of all elements of Matrix
Find the area of a triangle
Let's make puddings !
Friday or not
A kind of decryption
? うごかない Delete unusable rows
The proportion of NaN in the data
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