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];
Sort a list of complex numbers based on far they are from the origin.
Multiply 2 numbers
find the roots of a quadratic equation
Sum of series II
String permutations on phone keyboard
Produce the following matrix
Make visible max values
unique with nan
Repeat string n times - 2
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