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READ THESE ARTICLES# Definition of *inner product* in English:

## inner product

### noun

MathematicsA scalar function of two vectors, equal to the product of their magnitudes and the cosine of the angle between them.

Written as a. b or ab

*‘The familiar example of the inner product of two vectors (tensors of rank one) is a special case of this.’**‘As a criterion for such a partition, we used the sign of the inner product between the vector of left-right differences of each individual and that of the first specimen in the data set.’**‘An inner product of two vectors represents the number of changes along the shared branch vectors.’**‘Additionally we calculate the inner product between eigenvectors to compare the motion displayed in different simulations.’**‘It goes without saying that all the usual projection theorems hold for this inner product.’*

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