Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x.
Input: repl_mat(2, 2, 5)
Output: [2, 2, 2, 2, 2; 2, 2, 2, 2, 2];
Create a cell array out of a struct
Angle between two vectors
Return the first and last character of a string
Return 'on' or 'off'
Penny flipping - calculate winning probability (easy)
It's race time! Write a faster function than the test suite call of unique().
It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().
Determine the number of odd integers in a vector
Calculate the probability that at least two people in a group share the same birthday.
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