Questions tagged [distance-metrics]

I have a basic question about the metric spaces. There are several metric spaces like $L_1$, $L_2$ to $L_\infty$. The $L_p$ metric is defined by the following equation: $$d_p(x,y)=\left(\sum_{i=1}^{n}|x_i-y_i|^p \right)^{1/p}$$ Now, when $p =…

First post here so please be easy on me. I have an application where I have one data point in high dimensions, represented by an $m \times n$ matrix. Call it $X_1$. And I have to compare this data point to many other data points of the same…

i am trying to understand the error metrics for images. i had no statistics class or anything and i'm having a bit of problem with even the simplest things. i have started reading this http://unitstep.net/downloads/school/image-qa-presentation/ just…