//Need to get the mid point of array. Use Floor because we always want to round down. $mid = floor($count/2); //If there are an even amount of elements... if (($count ...
https://doi.org/10.4169/amer.math.monthly.124.6.535 https://www.jstor.org/stable/10.4169/amer.math.monthly.124.6.535 We investigate functions with the property that ...