Machine Learning, Python, Towards Data Science, Dimensionality Reduction, Data Visualization.
equations tells us about t-SNE. A thing to know before we explore equations (1) and (2) is that p_ii is set to 0 and so does q_ii (even though the equations will not output zero if we apply them on two similar points, this is just a given). So looking at equations (1) and (2) I want you to notice,