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IEVref: | 102-06-08 | ID: | |

Language: | en | Status: Standard | |

Term: | product of two matrices | ||

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Definition: | for two matrices of type Am × p and of type Bp × n, with elements A and _{ik}B, respectively, matrix _{kj} of type ABm × n with the elements ${(AB)}_{ij}={\displaystyle \sum _{k=1}^{p}{A}_{ik}}{B}_{kj}^{}$.Note 1 to entry: The product only exists if the number of columns of the first matrix is equal to the number of rows of the second matrix. | ||

Publication date: | 2008-08 | ||

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Internal notes: | 2017-02-20: Editorial revisions in accordance with the information provided in C00019 (IEV 102) - evaluation. JGO | ||

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Note 1 to entry: The product only exists if the number of columns of the first matrix is equal to the number of rows of the second matrix.