Unsupervised Learning, Complex Systems, Principal Component, Dimensionality Reduction, Emergence.
emergent phenomena appear in the critical temperature. Image by the author. The order parameter of the 2D Ising model is known and was solved analytically by Onsager in 1944. The solution is simple φ = ∑ᵢ σᵢ ( it's just the sum of every spin value in the lattice) and will be captured by the