Data Science and Machine Learning (Theory and Projects) A to Z - Mathematical Foundation: Coordinates Versus Dimensions

The video tutorial explains the concept of basis in vector spaces, highlighting that a basis is a set of linearly independent vectors that span a vector space. It discusses the non-uniqueness of basis, providing examples to illustrate that multiple bases can span the same space. The tutorial also clarifies the difference between coordinates and dimensions, emphasizing that the dimension is determined by the number of basis vectors, not the number of coordinates. Finally, it introduces the concept of subspaces and the importance of dimensionality reduction in feature extraction.

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