Calculate the mean of corner elements of a matrix.
e.g. a=[1 2 3;
4 5 6;
7 8 9;]
Mean = (1+3+7+9)/4 = 5
Min of a Matrix
Swap two numbers
Rounding off numbers to n decimals
Remove the positive integers.
Find my birthday
Return the names and values of the input arguments of a function
Sum of diagonals elements of a matrix
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