Belief State Geometry

Sampling 500 × 20
500
20
10,500 points
8
9,841 nodes
Geometry click to open
2405.15943 2507.07432 2609.17376 simplexity
belief (x, z)
(0.000, 0.000)
purity |r|
0.000
context
∅

Arrow keys step, Backspace undoes.

Update rule
P(0), P(1) = (1 ± s·z) / 4
P(2), P(3) = (1 ± s·x) / 4
0: z → (z + s)/(1 + s·z)
   x → c·x/(1 + s·z)
s = 0.275   c = −0.962

0↔1 and 2↔3 undo each other; the rim is certainty.

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