Maximization with xor operator - Mathematics Stack Exchange With given N numbers only one of those numbers doesn't have pair, which one is it? After hours of surfing the net i found that XOR operator is good for that, because X xor X=0 X xor 0=X and A xor
How to add and subtract values from an average? I know that's an old thread but I had the same problem I want to add a value to an existing average without having to calculate the total sum again to add a value to an exisitng average we only must know for how many values the average was calculated for: $$ average_ {new} = average_ {old} + \frac { value_ {new} - average_ {old}} {size_ {new}} $$
Why do equilateral triangles relate to cubics I found this question talking about the relation between an equilateral triangle and cubics with three distinct real roots Here's an image from the original post with an example: What this post s