The dot product is the combination of two vectors that assigns a scalar (=number) to these two vectors. In this video, you'll learn how to derive a simple calculation formula for the standard dot product from this geometrically meaningful definition. You'll also learn how to express this definition using orthogonal projection.
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Content:
0:00 What to expect in this video
0:22 Definition + derivation of the standard scalar product
6:04 Calculating the angle between two vectors
8:25 "Alternative definition" using orthogonal projection
11:16 Application example: mechanics (work = force * distance)
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