Engineering
Nyquist Diagram
G(iω) = 1 / (1 + iω)
The frequency response of a first-order system traced in the complex plane — a semicircle whose encirclements of −1 decide closed-loop stability.
Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own
Gif encoder (no GPU, no ffmpeg, no external packages).