Quantum State Manifold (3D)

Visualization of quantum expectation values ⟨ψ|X|ψ⟩, ⟨ψ|Y|ψ⟩, ⟨ψ|Z|ψ⟩

Using 3×3 Hermitian matrices: X (tridiagonal), Y (tridiagonal ±i), Z (diagonal [0,0,1])