Smoothed step function

1 · John Cook · March 29, 2022, 4:26 p.m.
I mentioned smoothed step functions in the previous post. What would you do if you needed to concretely use a smoothed step function and not just know that one exists? We’ll look at smoothed versions of the signum function sgn(x) = x / |x| which equals -1 for negative x and +1 for positive x. […] The post Smoothed step function first appeared on John D. Cook....