[Scilab-users] {EXT} Help for . operator

[Dang Ngoc Chan, Christophe]

Hello Pierre,

> De : Perrichon
> Envoyé : lundi 8 juin 2020 11:07
>
> I don't understand le role of the « point » operator '.'

The dot is used to have an element-wise operation.

The difference is when you work with matrices, e.g. the product * will make a matrix product

C = A*B -> C(i, j) = sum_k (A(i, k), B(k, j))

but .* will make the elementwise product

C = A.*B -> C(i, j) = A(i, j)*B(i, j)

See https://help.scilab.org/docs/6.1.0/en_US/dot.html

regards

--
Christophe Dang Ngoc Chan
Mechanical calculation engineer


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