Data Science & ML
Basic

Euclidean Distance

Straight-line distance between two points in n-dimensional space.

Formula

d=∑i=1n(ai−bi)2d = \sqrt{\sum_{i=1}^{n}(a_i - b_i)^2}

Variables

a_i,b_iCoordinates
nDimensions

Example

Between (0,0) and (3,4): d = 5

Did You Know?

The basis of k-nearest-neighbors and k-means clustering.

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