LLE Find a set of z minimizing Keep wij unchanged -Σ Wi Original Space New (Low-dim)SpaceLLE 𝑥 𝑖 𝑥 𝑗 𝑤𝑖𝑗 𝑤𝑖𝑗 𝑧 𝑗 𝑧 𝑖 Original Space New (Low-dim) Space Find a set of 𝑧 𝑖 minimizing Keep 𝑤𝑖𝑗 unchanged ෍ 𝑖 𝑧 𝑖 − ෍ 𝑗 𝑤𝑖𝑗𝑧 𝑗 2