Distance between a point and a distribution by measuring the distance between the point and the mean of the distribution using the coordinate system defined by the principal components.

Frobenius distance between the matrix $X_{n}^{\phantom{n}k}$ and $H_n^{\phantom{n}r} …

Levenshtein distance calculates the number of operations needed to change one word to another by …

As simple as the inner product of two vectors $$ d_{cos} = \frac{\vec A}{\vert \vec A \vert} \cdot …