This note is about finding the set of factors in a quadratic function defined as

**1.**

The factors in is found by using a method of summing the factors in 12 to get 7. 254 more words

This note is about finding the set of factors in a quadratic function defined as

**1.**

The factors in is found by using a method of summing the factors in 12 to get 7. 254 more words

For some reason I wanted to construct polynomials approximating this piecewise constant function :

Of course approximation cannot be uniform, since the function is not continuous. 276 more words