dot product

American  

noun

Mathematics.

1. inner product.

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dot product British  

noun

1. another name for scalar product

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Etymology

Origin of dot product

First recorded in 1930–35

Example Sentences

The first type of vector multiplication is called the dot product, based on the notation we use for it, and it is defined as follows:

From Textbooks • Mar. 30, 2016

Using the dot product, find the projection of vector v12 found in step 4 onto unit vector n found in step 3.

From Textbooks • Mar. 30, 2016

Therefore, the tangent vector and the force vector have a positive dot product all along C1, and the line integral will have positive value.

From Textbooks • Mar. 30, 2016

So, in this example, the dot product tells us how much money the fruit vendor had in sales on that particular day.

From Textbooks • Mar. 30, 2016

The dot product can also help us measure the angle formed by a pair of vectors and the position of a vector relative to the coordinate axes.

From Textbooks • Mar. 30, 2016