Create a new variable that has trends in input series. If t+1 is bigger than or equal to t, than trend in t will be 1, otherwise 0. The end value of trend will always be zero
x = [2; 3; 0; 1; 2; 2; 1; 5; 6; 3];
y = [1; 0; 1; 1; 1; 0; 1; 1; 0; 0];
Prime factor digits
Create a square matrix of multiples
Duplicate a character
Sum of diagonals elements of a matrix
Write c^3 as sum of two squares a^2+b^2
Low level NaN
Produce the following matrix
Homemade: Control Charts
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