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See the recommended documentation of this function

Aide Scilab >> Xcos > palettes > User defined functions palette > scifunc_block_m

scifunc_block_m

Scilab function block

Block Screenshot

Description

This block can realize any type of Scicos block. The function of the block is defined interactively using dialogue boxes and in Scilab language. During simulation, these instructions are interpreted by Scilab; the simulation of diagrams that include these types of blocks is slower. For more information see Scicos reference manual.

Dialog box

  • input ports sizes

    a scalar. Number of regular input ports

    Properties : Type 'vec' of size -1

  • output port sizes

    a scalar. Number of regular output ports

    Properties : Type 'vec' of size -1

  • input event ports sizes

    a scalar. Number of input event ports

    Properties : Type 'vec' of size -1

  • output events ports sizes

    a scalar. Number of output event ports

    Properties : Type 'vec' of size -1

  • initial continuous state

    a column vector.

    Properties : Type 'vec' of size -1

  • initial discrete state

    a column vector.

    Properties : Type 'vec' of size -1

  • System parameters vector

    a string: c or d (CBB orDBB ), other types are not supported.

    Properties : Type 'vec' of size -1

  • initial firing vector

    vector. Size of this vector corresponds to the number of event outputs. The value of the i-th entry specifies the time of the preprogrammed event firing on the i-th output event port. If less than zero, no event is preprogrammed.

    Properties : Type 'vec' of size sum(%4)

  • is block always active

    other dialogues are opened consecutively where used may input Scilab code associated with the computations needed (block initialization, outputs, continuous and discrete state, output events date, block ending)

    Properties : Type 'vec' of size 1

Default properties

  • always active: no

  • direct-feedthrough: yes

  • zero-crossing: no

  • mode: no

  • regular inputs:

    - port 1 : size [1,1] / type 1

  • regular outputs:

    - port 1 : size [1,1] / type 1

  • number/sizes of activation inputs: 0

  • number/sizes of activation outputs: 0

  • continuous-time state: no

  • discrete-time state: no

  • object discrete-time state: no

  • name of computational function: scifunc

Interfacing function

  • SCI/modules/scicos_blocks/macros/Misc/scifunc_block_m.sci

Computational function

  • SCI/modules/scicos/src/fortran/scifunc.f (Type 3)

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Copyright (c) 1989-2007 (ENPC)
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Last updated:
Wed Oct 05 12:11:03 CEST 2011