Sigmoid squash

Sigmoid squash preview
remixableManimCE2Dneural networksloop

manim/sigmoid_squash.py

"""Sigmoid squash: weighted sums anywhere on the line, squashed into 0 to 1.

Render (the driver does this for every palette; these are for eyeballing):
    P=/opt/homebrew/opt/python@3.11/bin/python3.11
    ASSET_MODE=still  $P -m manim -s -r 1600,1600 manim/sigmoid_squash.py SigmoidSquash
    ASSET_MODE=motion $P -m manim -qh   -r 1080,1080 manim/sigmoid_squash.py SigmoidSquashLoop
"""

import numpy as np
from manim import (
    DOWN,
    Brace,
    Dot,
    Line,
    Text,
    ValueTracker,

The full Manim source and the rendered video come with a plan.