very cool question: learn some new tricks, and get 10 points, why not?!
Hint to spare the pain : string(NaN)==
Determine if input is odd
Find nth maximum
5 Prime Numbers
Generating random matrix with given probability mass function
Cody meets Xiangqi: foresee the unseen (Part 2)
Fast 1-D Convolution (valid shape)
Hankelize a matrix
Group-wise Euclidean distance
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