[Scilab-users] CLR design component is not clear in scilab 6.0.2 x64 W10

[Federico Miyara]

Samuel,

Just a detail: in some books the p variable is used as the Laplace 
variable, especially when working with normalized variables. For 
instance, a normalizad butterworth filter may pe presented as

1/(1 + 2*p + 2*p^2 + p^3)

I recall Bildstein's book on Active filters. See also:

https://books.google.com.ar/books?id=r5yjPuWQde0C&pg=PR20&lpg=PR20&dq=%22normalized+laplace+variable%22&source=bl&ots=L0hFQ4aA2a&sig=ACfU3U3DpwZTwRN1lMwtxf6RztQHFPj_6Q&hl=es-419&sa=X&ved=2ahUKEwi2hceJk8flAhUhD7kGHcLsBRUQ6AEwAXoECAkQAQ#v=onepage&q=%22normalized%20laplace%20variable%22&f=false

But it is true that most references use s.

Regards,

Federico Miyara


On 30/10/2019 19:02, Samuel Gougeon wrote:
> Le 30/10/2019 à 10:26, Perrichon a écrit :
>>
>> Hello
>>
>> CLR design component brings confusion by forgetting the * sign in 
>> operand
>>
>> of a polynomial representation in Laplace plan
>>
>> It makes schemes unreadeable
>>
> First, you know that la Laplace variable is always s.
> Second, in such specific cases, you can anyway use this:
>
> Samuel
>
>
>
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