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Hadamard product (infixed version): .*

.* takes as arguments two matrices or two lists A and B of the same size.
.* is an infixed operator that returns the matrix or the list where each term is the term by term product of the corresponding terms of A and B.
Input :
[[1, 2],[3,4]] .* [[5, 6],[7, 8]]
Output :
Input :
[1,2,3,4] .* [5,6,7,8]
Output :

giac documentation written by Renée De Graeve and Bernard Parisse