# Lesson 2: Vectors and the Dot Product

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A vector has magnitude and direction. There is an algebra and geometry of vectors which makes addition, subtraction, and scaling well-defined....

A vector has magnitude and direction. There is an algebra and geometry of vectors which makes addition, subtraction, and scaling well-defined.

The scalar or dot product of vectors measures the angle between them, in a way. It's useful to show if two vectors are perpendicular or parallel.

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Full NameComment goes here.Matthew Leingang, Clinical Associate Professor of Mathematics at New York University Look at slide 36 for some examples of using the dot product to find angles between vectorsJosé Devezas, Researcher (Data Mining, Information Retrieval, Community Detection, Data Visualization) at Labs SAPO/UP 1 year agoHager Waheed1 year agogs7704 years agoakhilesh shuklaat akhilesh shukla 4 years ago