[Scilab-users] Problems with "To workspace" and "From workspace"

Serge Steer Serge.Steer at inria.fr
Thu Apr 10 19:26:37 CEST 2014


The workspace variables are created in the Scilab environment at the end 
of the simulation
You can probably use a DOLLAR block to do what you want

Serge
Le 10/04/2014 09:27, Michael Ungelehrt a écrit :
>
> Dear users,
>
> I have a problem with the "To workspace" respectively "From workspace" 
> block in Xcos.
>
> I'd like to write the value of a function to workspace if the value of 
> another function changes its sign from + to -. A short time later I'd 
> like to use this value in a third function and retrieve it from workspace.
>
> For that I evaluate the first function with the "NEGTOPOS_f" block and 
> give the output event to the "TOWS_c" block. The "TOWS_c" block is 
> connected with the second function and should write the value to a 
> vaiable A in the workspace.
>
> The "FROMWSB" block is connected with a third function which should 
> use the variable that is saved before.
>
> Now I have the following problem:
>
> If I start the simulation, the "FROMWSB" says that the variable A does 
> not exist. So my idea was to define the variable in the 
> variable-browser before I start the simulation. If I do so I get an 
> error at the "TOWS_c" block: "Evaluation problem: value not updated 
> from context. Protected variable name. Please choose another variable 
> name."
>
> Is there any solution for that problem?
>
> _Block parameters:_
>
> _From workspace:_
>
> Variable name:                C
>
> Interpolation Method:                 0
>
> Enable zero crossing:     1
>
> Output at end:                 1
>
> _To workspace:_
>
> Size of buffer:                  1
>
> Scilab variable name:     C
>
> Inherit: 0
>
> _Definition of variable C in SciNotes upfront:_
>
> C.time=0;
>
> C.values=0;
>
> Thank you in advance!
>
> Mit freundlichen Grüßen
>
> Best regards,
>
> Michael Ungelehrt
>
> Logo_TC_Cham
>
> Michael Ungelehrt, B.Eng.
>
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>
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>
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>
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>
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