[Scilab-users] {EXT} strange behaviof of function isreal

[Dang Ngoc Chan, Christophe]

Hello,

> De : De la part de Jean-Philippe Grivet
> Envoyé : mercredi 13 novembre 2019 10:50
>
> --> z = [1,2,3*%i]
>   z  =
>     1.   2.   3.i
> --> isreal(z(1))
>   ans  =
>    F
> What did I miss ? Rhank you for your help.

https://help.scilab.org/docs/6.0.2/en_US/brackets.html

"In some limits, brackets may be applied on a set of data having different but compatible types. In this case, some data are converted into the dominating type available in the set. The main conversion rules are the following:
[...]
3. The result becomes complex-encoded as soon as a complex-encoded component -- value, polynomial, or rational -- is met in the list (even with a null imaginary part)"

Regards

--
Christophe Dang Ngoc Chan
Mechanical calculation engineer

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