kr | R Documentation |

Return the Khatri-Rao product of two matrices, which is a column-wise Kronecker product.

kr(A, B, w, byrow = TRUE)

`A, B` |
matrices. The two matrices |

`w` |
the weights vector. The length of the vector should match with the dimension of the matrices. If performing column-wise Kronecker product, the length of w should be the same as the column number of A and B. If performing row-wise Kronecker prodoct, the length of w should be the same as the row number of A and B. The default is a vector of 1 if no value provided. |

`byrow` |
a logical variable controlling whether to perform row/column-wise Kronecker product.
The default is |

The column/row-wise Kronecker product.

A matrix of the Khatri-Rao product.

Yiwen Zhang and Hua Zhou

X <- matrix(rnorm(30), 10, 3) Y <- matrix(runif(50), 10, 5) C <- kr(X, Y)

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