inner product
–noun Mathematics. | 1. | Also called dot product, scalar product. the quantity obtained by multiplying the corresponding coordinates of each of two vectors and adding the products, equal to the product of the magnitudes of the vectors and the cosine of the angle between them. |
| 2. | the integral of the product of two real-valued functions. |
| 3. | the integral of the product of the first of two complex-valued functions and the conjugate of the second. |
| 4. | a complex-valued function of two vectors taken in order, whose domain is a vector space. |
Origin: 1915–20
scalar product
n. The numerical product of the lengths of two vectors and the cosine of the angle between them. Also called dot product, inner product. |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
scalar product
The numerical product of the lengths of two vectors and the cosine of the angle between them.
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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