Write a MATLAB function that calculates the number of ordered pairs of integers (I, J) that can be formed satisfying the condition 1<=I<=J<=N, for a given value of N.
Find the largest value in the 3D matrix
Generate a random matrix A of (1,-1)
Max index of 3D array
ZigZag matrix with reflected format
Draw a 'X'!
Four digit number ABCD reversal
Ordered pairs of integers (I, J).
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