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Aide de Scilab >> Fonctions avancées > varargout

varargout

variable numbers of arguments in an output argument list

Description

A function whose output argument list contains varargout must be called with more output arguments than indicated in the output argument list. The calling arguments passed form varargout keyword onwards are extracted out of the varargout list defined in the function.

varargout = function ex() may be called with any number of output arguments. Within function ex output arguments may be stored in varargout(i).

[X1,...,Xn,varargout] = function ex() may also be used. In this case the Xi variables must be assigned in the function as well as varargout(i).

The actual total number of output argument is given argn(1).

Remark

The varargout variable must be created within the function and assigned to a list. If varargout is the only formal output variable the list must contain at least one entry.

Examples

function varargout=exampl()
  varargout=list(1,2,3,4)
endfunction

x=exampl()
[x,y]=exampl()
[x,y,z]=exampl()

function [a, b, varargout]=exampl1()
  a='first'
  b='second'
  varargout=list(1,2,3,4)
endfunction

exampl1()
[a,b]=exampl1()
[a,b,c]=exampl1()

See Also

  • argn — nombre d'arguments d'appel d'une fonction
  • function — définition d'une fonction Scilab
  • list — Objet Scilab, Définition d'une liste
  • varargin — variable number of arguments in an input argument list
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Last updated:
Thu Oct 02 13:54:44 CEST 2014