Vector dot product and vector length | Vector dot and cross products | Khan Academy

Vector dot product and vector length | Vector dot and cross products | Khan Academy

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日期:2024-05-21
Definitions of the vector dot product and vector length ... This is where projections come in. If you have a vector a that you want to project onto a direction given by vector b, you use (a · b)b/(b · b) [that is a dot b over b dot b all multiplied by b]....看更多