Smoothstep is a family of sigmoid-like interpolation and clamping functions commonly used in computer graphics, video game engines, and machine learning...

node 1 is f ( x ) = a 0 + smoothstep ⁡ ( x ) ⋅ ( a 1 − a 0 ) for  0 ≤ x ≤ 1 {\displaystyle f(x)=a_{0}+\operatorname {smoothstep} (x)\cdot (a_{1}-a_{0})\quad...

{\displaystyle f(x)=\left(1+e^{-x}\right)^{-\alpha },\quad \alpha >0} Smoothstep function f ( x ) = { ( ∫ 0 1 ( 1 − u 2 ) N d u ) − 1 ∫ 0 x ( 1 − u 2 )...

Quill by Smoothstep Developer(s) Smoothstep Initial release November 29, 2016 Operating system Windows 10 or later Available in English Type 3D computer...

that are provided and are commonly used for graphics purposes are: mix, smoothstep, normalize, inversesqrt, clamp, length, distance, dot, cross, reflect...